/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 23:38:39,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 23:38:39,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 23:38:39,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 23:38:39,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 23:38:39,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 23:38:39,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 23:38:39,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 23:38:39,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 23:38:39,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 23:38:39,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 23:38:39,506 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 23:38:39,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 23:38:39,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 23:38:39,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 23:38:39,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 23:38:39,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 23:38:39,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 23:38:39,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:38:39,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 23:38:39,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 23:38:39,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 23:38:39,511 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 23:38:39,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 23:38:39,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 23:38:39,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 23:38:39,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 23:38:39,824 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 23:38:39,825 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 23:38:39,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2021-08-07 23:38:39,826 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2021-08-07 23:38:39,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 23:38:39,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 23:38:39,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 23:38:39,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 23:38:39,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 23:38:39,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 23:38:39,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 23:38:39,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 23:38:39,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 23:38:39,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 23:38:39,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 23:38:39,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 23:38:39,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 23:38:39,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/1) ... [2021-08-07 23:38:39,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:38:39,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:39,942 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) [2021-08-07 23:38:39,953 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 [2021-08-07 23:38:39,983 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 23:38:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 23:38:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 23:38:39,984 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 23:38:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 23:38:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 23:38:39,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 23:38:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 23:38:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 23:38:39,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 23:38:39,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 23:38:39,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 23:38:39,989 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 23:38:40,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 23:38:40,263 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 23:38:40,264 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:38:40 BoogieIcfgContainer [2021-08-07 23:38:40,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 23:38:40,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 23:38:40,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 23:38:40,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 23:38:40,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:38:39" (1/2) ... [2021-08-07 23:38:40,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c3077f and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 11:38:40, skipping insertion in model container [2021-08-07 23:38:40,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:38:40" (2/2) ... [2021-08-07 23:38:40,271 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2021-08-07 23:38:40,275 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 23:38:40,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 23:38:40,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 23:38:40,275 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 23:38:40,342 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 23:38:40,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 23:38:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:40,412 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) [2021-08-07 23:38:40,432 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 [2021-08-07 23:38:40,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 23:38:40,459 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 [2021-08-07 23:38:40,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 23:38:40,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash 346130851, now seen corresponding path program 1 times [2021-08-07 23:38:40,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:40,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402772081] [2021-08-07 23:38:40,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:40,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:40,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:40,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402772081] [2021-08-07 23:38:40,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402772081] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:40,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986591020] [2021-08-07 23:38:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:40,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:40,882 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) [2021-08-07 23:38:40,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 23:38:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:40,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 23:38:40,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:41,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986591020] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:41,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:41,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-07 23:38:41,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64338205] [2021-08-07 23:38:41,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 23:38:41,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:41,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 23:38:41,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-07 23:38:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:41,215 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:41,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-08-07 23:38:41,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:41,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:41,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:41,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-07 23:38:41,525 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:41,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1962018689, now seen corresponding path program 2 times [2021-08-07 23:38:41,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:41,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611380044] [2021-08-07 23:38:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:41,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 23:38:41,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:41,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611380044] [2021-08-07 23:38:41,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611380044] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:41,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385165856] [2021-08-07 23:38:41,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:38:41,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:41,604 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) [2021-08-07 23:38:41,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 23:38:41,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:38:41,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:41,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 23:38:41,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 23:38:41,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385165856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:41,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:41,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-07 23:38:41,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912403438] [2021-08-07 23:38:41,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 23:38:41,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:41,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 23:38:41,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-07 23:38:41,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:41,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:41,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-08-07 23:38:41,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:41,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:42,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:42,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:42,227 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:42,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:42,228 INFO L82 PathProgramCache]: Analyzing trace with hash -884122156, now seen corresponding path program 1 times [2021-08-07 23:38:42,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:42,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374629848] [2021-08-07 23:38:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:42,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-07 23:38:42,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:42,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374629848] [2021-08-07 23:38:42,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374629848] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:42,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136722713] [2021-08-07 23:38:42,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:42,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:42,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:42,375 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) [2021-08-07 23:38:42,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 23:38:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:42,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 23:38:42,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-07 23:38:42,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136722713] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:42,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:42,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-08-07 23:38:42,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059367437] [2021-08-07 23:38:42,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 23:38:42,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:42,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 23:38:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-07 23:38:42,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:42,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:42,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 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) [2021-08-07 23:38:42,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:42,807 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-07 23:38:43,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:43,005 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:43,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:43,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1858420530, now seen corresponding path program 2 times [2021-08-07 23:38:43,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:43,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776588448] [2021-08-07 23:38:43,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:43,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:43,133 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 23:38:43,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:43,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776588448] [2021-08-07 23:38:43,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776588448] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:43,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391404076] [2021-08-07 23:38:43,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:38:43,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:43,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:43,144 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) [2021-08-07 23:38:43,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 23:38:43,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:38:43,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:43,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-07 23:38:43,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 23:38:43,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391404076] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:43,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:43,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-08-07 23:38:43,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232436435] [2021-08-07 23:38:43,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 23:38:43,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:43,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 23:38:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-08-07 23:38:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:43,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:43,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 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) [2021-08-07 23:38:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:43,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:43,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:43,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:43,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:43,813 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 332022032, now seen corresponding path program 3 times [2021-08-07 23:38:43,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:43,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049029481] [2021-08-07 23:38:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:43,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 23:38:43,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:43,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049029481] [2021-08-07 23:38:43,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049029481] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:43,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687185701] [2021-08-07 23:38:43,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 23:38:43,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:43,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:43,994 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) [2021-08-07 23:38:43,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 23:38:44,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-08-07 23:38:44,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:44,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 23:38:44,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-07 23:38:44,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687185701] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:44,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:44,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 19 [2021-08-07 23:38:44,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185610030] [2021-08-07 23:38:44,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 23:38:44,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:44,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 23:38:44,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-08-07 23:38:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:44,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:44,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 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) [2021-08-07 23:38:44,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:44,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:44,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:44,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:44,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:45,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:45,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:45,281 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:45,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:45,281 INFO L82 PathProgramCache]: Analyzing trace with hash -2088327787, now seen corresponding path program 3 times [2021-08-07 23:38:45,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:45,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462822486] [2021-08-07 23:38:45,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:45,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:46,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:46,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462822486] [2021-08-07 23:38:46,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462822486] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:46,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871852178] [2021-08-07 23:38:46,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 23:38:46,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:46,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:46,225 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) [2021-08-07 23:38:46,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 23:38:46,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-08-07 23:38:46,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:46,331 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 68 conjunts are in the unsatisfiable core [2021-08-07 23:38:46,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:47,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-08-07 23:38:47,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:47,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-08-07 23:38:48,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 43 [2021-08-07 23:38:48,365 INFO L354 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2021-08-07 23:38:48,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 97 treesize of output 101 [2021-08-07 23:38:48,413 INFO L354 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2021-08-07 23:38:48,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 93 treesize of output 99 [2021-08-07 23:38:48,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 103 [2021-08-07 23:38:49,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-08-07 23:38:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:49,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871852178] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:49,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:49,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 34 [2021-08-07 23:38:49,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745282269] [2021-08-07 23:38:49,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-07 23:38:49,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:49,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-07 23:38:49,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1088, Unknown=0, NotChecked=0, Total=1190 [2021-08-07 23:38:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:49,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:49,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.342857142857143) internal successors, (82), 34 states have internal predecessors, (82), 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) [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:49,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:51,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:51,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:51,434 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:51,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:51,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1444870037, now seen corresponding path program 4 times [2021-08-07 23:38:51,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:51,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303436696] [2021-08-07 23:38:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:51,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 52 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-07 23:38:51,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:51,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303436696] [2021-08-07 23:38:51,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303436696] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:51,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328717279] [2021-08-07 23:38:51,570 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 23:38:51,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:51,582 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) [2021-08-07 23:38:51,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 23:38:51,800 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 23:38:51,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:51,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 23:38:51,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-07 23:38:52,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328717279] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:52,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:52,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-08-07 23:38:52,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874223147] [2021-08-07 23:38:52,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 23:38:52,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 23:38:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-08-07 23:38:52,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:52,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:52,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 12 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) [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:52,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:52,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:52,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-07 23:38:52,515 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1689412223, now seen corresponding path program 5 times [2021-08-07 23:38:52,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:52,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662784853] [2021-08-07 23:38:52,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:52,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:53,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:53,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662784853] [2021-08-07 23:38:53,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662784853] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:53,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980507872] [2021-08-07 23:38:53,550 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 23:38:53,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:53,557 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) [2021-08-07 23:38:53,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 23:38:53,823 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 23:38:53,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:53,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 83 conjunts are in the unsatisfiable core [2021-08-07 23:38:53,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:54,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-08-07 23:38:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-08-07 23:38:55,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-07 23:38:55,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 45 [2021-08-07 23:38:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2021-08-07 23:38:55,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 82 [2021-08-07 23:38:55,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:38:55,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 77 [2021-08-07 23:38:55,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 45 [2021-08-07 23:38:56,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 10 [2021-08-07 23:38:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:38:56,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980507872] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:56,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:56,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 35 [2021-08-07 23:38:56,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215698269] [2021-08-07 23:38:56,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 23:38:56,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:56,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 23:38:56,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 23:38:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:56,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:56,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.638888888888889) internal successors, (95), 35 states have internal predecessors, (95), 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) [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:56,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:56,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:56,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:57,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:38:57,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:57,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:57,768 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:57,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:57,768 INFO L82 PathProgramCache]: Analyzing trace with hash 524519101, now seen corresponding path program 6 times [2021-08-07 23:38:57,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:57,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103612077] [2021-08-07 23:38:57,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:57,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-08-07 23:38:57,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:57,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103612077] [2021-08-07 23:38:57,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103612077] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:57,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595846201] [2021-08-07 23:38:57,911 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 23:38:57,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:57,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:57,917 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) [2021-08-07 23:38:57,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 23:38:58,258 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-08-07 23:38:58,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:58,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-07 23:38:58,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:38:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-08-07 23:38:58,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595846201] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:58,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:38:58,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2021-08-07 23:38:58,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736403627] [2021-08-07 23:38:58,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-07 23:38:58,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:38:58,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-07 23:38:58,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-08-07 23:38:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:58,567 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:38:58,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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) [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:58,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:38:58,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:38:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:38:58,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:38:58,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-08-07 23:38:59,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-07 23:38:59,189 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:38:59,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:38:59,189 INFO L82 PathProgramCache]: Analyzing trace with hash 595999510, now seen corresponding path program 4 times [2021-08-07 23:38:59,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:38:59,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856078724] [2021-08-07 23:38:59,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:38:59,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:38:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:38:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 106 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-07 23:38:59,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:38:59,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856078724] [2021-08-07 23:38:59,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856078724] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:38:59,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111940303] [2021-08-07 23:38:59,390 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 23:38:59,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:59,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:38:59,391 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) [2021-08-07 23:38:59,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 23:38:59,777 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 23:38:59,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:38:59,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-07 23:38:59,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:39:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 82 proven. 49 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-08-07 23:39:00,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111940303] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:39:00,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:39:00,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2021-08-07 23:39:00,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696082920] [2021-08-07 23:39:00,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-08-07 23:39:00,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:39:00,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-08-07 23:39:00,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=974, Unknown=0, NotChecked=0, Total=1122 [2021-08-07 23:39:00,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:39:00,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:39:00,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.9411764705882355) internal successors, (100), 33 states have internal predecessors, (100), 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) [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:39:00,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:39:00,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:39:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:39:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:39:01,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-08-07 23:39:01,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 23:39:01,909 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:39:01,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:39:01,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1668540926, now seen corresponding path program 5 times [2021-08-07 23:39:01,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:39:01,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025302772] [2021-08-07 23:39:01,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:39:01,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:39:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:39:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 63 proven. 127 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-07 23:39:02,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:39:02,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025302772] [2021-08-07 23:39:02,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025302772] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:39:02,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409567086] [2021-08-07 23:39:02,138 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 23:39:02,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:39:02,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:39:02,139 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) [2021-08-07 23:39:02,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 23:39:02,549 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-07 23:39:02,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:39:02,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-07 23:39:02,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:39:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 79 proven. 68 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-08-07 23:39:03,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409567086] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:39:03,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:39:03,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 32 [2021-08-07 23:39:03,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962871679] [2021-08-07 23:39:03,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-07 23:39:03,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:39:03,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-07 23:39:03,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2021-08-07 23:39:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:39:03,053 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:39:03,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.375) internal successors, (108), 32 states have internal predecessors, (108), 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) [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:39:03,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:39:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:39:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:39:04,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:39:04,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 23:39:05,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-07 23:39:05,121 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:39:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:39:05,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1849268920, now seen corresponding path program 6 times [2021-08-07 23:39:05,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:39:05,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718605298] [2021-08-07 23:39:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:39:05,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:39:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:39:07,248 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 20 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:39:07,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:39:07,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718605298] [2021-08-07 23:39:07,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718605298] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:39:07,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593756465] [2021-08-07 23:39:07,249 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 23:39:07,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:39:07,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:39:07,256 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) [2021-08-07 23:39:07,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 23:39:07,702 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-07 23:39:07,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:39:07,705 WARN L261 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 116 conjunts are in the unsatisfiable core [2021-08-07 23:39:07,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:39:09,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-08-07 23:39:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:09,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-08-07 23:39:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:09,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-07 23:39:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:09,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 57 [2021-08-07 23:39:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 77 [2021-08-07 23:39:10,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 97 [2021-08-07 23:39:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 84 [2021-08-07 23:39:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:10,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:39:11,045 INFO L354 Elim1Store]: treesize reduction 126, result has 20.8 percent of original size [2021-08-07 23:39:11,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 23:39:16,195 INFO L354 Elim1Store]: treesize reduction 400, result has 22.6 percent of original size [2021-08-07 23:39:16,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 211 treesize of output 298 [2021-08-07 23:39:16,439 INFO L354 Elim1Store]: treesize reduction 126, result has 51.4 percent of original size [2021-08-07 23:39:16,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 402 treesize of output 492 [2021-08-07 23:39:16,869 INFO L354 Elim1Store]: treesize reduction 22, result has 91.5 percent of original size [2021-08-07 23:39:16,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 941 treesize of output 1031 [2021-08-07 23:49:23,138 INFO L354 Elim1Store]: treesize reduction 331, result has 2.9 percent of original size [2021-08-07 23:49:23,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 15 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 88 treesize of output 63 [2021-08-07 23:49:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:49:23,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593756465] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:49:23,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:49:23,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 35] total 62 [2021-08-07 23:49:23,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974884535] [2021-08-07 23:49:23,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2021-08-07 23:49:23,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:49:23,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-08-07 23:49:23,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=3604, Unknown=0, NotChecked=0, Total=3906 [2021-08-07 23:49:23,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:49:23,484 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:49:23,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 62 states have internal predecessors, (142), 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) [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:49:23,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:49:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:49:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:49:34,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:49:34,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 23:49:34,609 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,SelfDestructingSolverStorable11 [2021-08-07 23:49:34,610 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:49:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:49:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash -517019464, now seen corresponding path program 7 times [2021-08-07 23:49:34,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:49:34,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545456988] [2021-08-07 23:49:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:49:34,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:49:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:49:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 80 proven. 158 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-07 23:49:35,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:49:35,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545456988] [2021-08-07 23:49:35,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545456988] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:49:35,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968321218] [2021-08-07 23:49:35,092 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 23:49:35,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:49:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:49:35,093 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) [2021-08-07 23:49:35,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 23:49:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:49:35,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 23:49:35,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:49:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 102 proven. 85 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-08-07 23:49:37,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968321218] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:49:37,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:49:37,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15] total 35 [2021-08-07 23:49:37,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697412189] [2021-08-07 23:49:37,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-08-07 23:49:37,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:49:37,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-08-07 23:49:37,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1098, Unknown=0, NotChecked=0, Total=1260 [2021-08-07 23:49:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:49:37,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:49:37,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.25) internal successors, (117), 35 states have internal predecessors, (117), 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) [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:49:37,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:49:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:49:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:49:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:49:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:49:40,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 23:49:41,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:49:41,013 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:49:41,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:49:41,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1373617086, now seen corresponding path program 8 times [2021-08-07 23:49:41,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:49:41,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397077605] [2021-08-07 23:49:41,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:49:41,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:49:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:49:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 25 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:49:44,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:49:44,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397077605] [2021-08-07 23:49:44,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397077605] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:49:44,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376217391] [2021-08-07 23:49:44,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:49:44,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:49:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:49:44,609 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) [2021-08-07 23:49:44,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 23:49:45,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:49:45,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:49:45,408 WARN L261 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 124 conjunts are in the unsatisfiable core [2021-08-07 23:49:45,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:49:47,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-08-07 23:49:47,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:47,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-08-07 23:49:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 59 [2021-08-07 23:49:48,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:48,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2021-08-07 23:49:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 86 [2021-08-07 23:49:49,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:49,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 106 [2021-08-07 23:49:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 126 [2021-08-07 23:49:50,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:50,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 146 [2021-08-07 23:49:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 298 treesize of output 293 [2021-08-07 23:49:56,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 413 treesize of output 313 [2021-08-07 23:49:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:49:56,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 107 [2021-08-07 23:49:56,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-08-07 23:49:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:49:56,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376217391] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:49:56,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:49:56,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 59 [2021-08-07 23:49:56,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884827810] [2021-08-07 23:49:56,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2021-08-07 23:49:56,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:49:56,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-08-07 23:49:56,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=3201, Unknown=0, NotChecked=0, Total=3540 [2021-08-07 23:49:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:49:56,719 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:49:56,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.5833333333333335) internal successors, (155), 59 states have internal predecessors, (155), 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) [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:49:56,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:06,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-07 23:50:06,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:50:06,764 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:50:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:50:06,764 INFO L82 PathProgramCache]: Analyzing trace with hash 2083182402, now seen corresponding path program 9 times [2021-08-07 23:50:06,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:50:06,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220841970] [2021-08-07 23:50:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:50:06,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:50:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:50:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 99 proven. 192 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-08-07 23:50:07,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:50:07,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220841970] [2021-08-07 23:50:07,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220841970] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:07,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821688229] [2021-08-07 23:50:07,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 23:50:07,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:50:07,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:50:07,457 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) [2021-08-07 23:50:07,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 23:50:08,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-08-07 23:50:08,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:50:08,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-07 23:50:08,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:50:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 81 proven. 202 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-08-07 23:50:09,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821688229] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:09,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:50:09,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 32 [2021-08-07 23:50:09,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244247303] [2021-08-07 23:50:09,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 23:50:09,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:50:09,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 23:50:09,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=873, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 23:50:09,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:09,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:50:09,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.212121212121212) internal successors, (106), 32 states have internal predecessors, (106), 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) [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:09,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:09,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:50:13,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-07 23:50:13,773 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,SelfDestructingSolverStorable14 [2021-08-07 23:50:13,773 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:50:13,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:50:13,774 INFO L82 PathProgramCache]: Analyzing trace with hash -619109502, now seen corresponding path program 10 times [2021-08-07 23:50:13,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:50:13,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957997215] [2021-08-07 23:50:13,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:50:13,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:50:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:50:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 187 proven. 124 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-08-07 23:50:14,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:50:14,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957997215] [2021-08-07 23:50:14,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957997215] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:14,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471058251] [2021-08-07 23:50:14,323 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 23:50:14,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:50:14,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:50:14,324 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 23:50:14,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 23:50:15,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 23:50:15,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:50:15,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 23:50:15,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:50:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 187 proven. 105 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-08-07 23:50:16,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471058251] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:16,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:50:16,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 19 [2021-08-07 23:50:16,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266280670] [2021-08-07 23:50:16,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 23:50:16,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:50:16,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 23:50:16,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2021-08-07 23:50:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:16,059 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:50:16,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 19 states have internal predecessors, (75), 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) [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:50:16,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:50:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:16,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-08-07 23:50:16,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-07 23:50:16,741 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:50:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:50:16,741 INFO L82 PathProgramCache]: Analyzing trace with hash -2131875676, now seen corresponding path program 11 times [2021-08-07 23:50:16,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:50:16,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470795378] [2021-08-07 23:50:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:50:16,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:50:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:50:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 154 proven. 100 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-07 23:50:17,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:50:17,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470795378] [2021-08-07 23:50:17,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470795378] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:17,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858295879] [2021-08-07 23:50:17,326 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 23:50:17,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:50:17,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:50:17,327 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 23:50:17,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-07 23:50:18,446 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-08-07 23:50:18,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:50:18,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 23:50:18,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:50:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 127 proven. 127 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2021-08-07 23:50:19,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858295879] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:19,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:50:19,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24] total 36 [2021-08-07 23:50:19,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038561673] [2021-08-07 23:50:19,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-07 23:50:19,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:50:19,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-07 23:50:19,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1095, Unknown=0, NotChecked=0, Total=1332 [2021-08-07 23:50:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:19,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:50:19,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.6486486486486487) internal successors, (98), 36 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:19,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:19,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:19,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:19,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:50:19,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:19,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:50:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:50:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 23:50:21,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-07 23:50:21,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-07 23:50:21,296 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:50:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:50:21,296 INFO L82 PathProgramCache]: Analyzing trace with hash -787835006, now seen corresponding path program 12 times [2021-08-07 23:50:21,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:50:21,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596617407] [2021-08-07 23:50:21,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:50:21,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:50:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:50:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 49 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:50:26,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:50:26,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596617407] [2021-08-07 23:50:26,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596617407] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:50:26,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774543528] [2021-08-07 23:50:26,732 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 23:50:26,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:50:26,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:50:26,733 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 23:50:26,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-07 23:50:27,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-08-07 23:50:27,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:50:27,898 WARN L261 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 157 conjunts are in the unsatisfiable core [2021-08-07 23:50:27,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:50:32,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-08-07 23:50:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:32,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-08-07 23:50:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:33,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 59 [2021-08-07 23:50:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2021-08-07 23:50:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:34,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 92 [2021-08-07 23:50:35,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:35,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 112 [2021-08-07 23:50:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:36,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 132 [2021-08-07 23:50:37,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:37,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 152 [2021-08-07 23:50:38,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 172 [2021-08-07 23:50:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:38,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 23:50:39,092 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-08-07 23:50:39,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 192 [2021-08-07 23:50:55,678 INFO L354 Elim1Store]: treesize reduction 1312, result has 6.4 percent of original size [2021-08-07 23:50:55,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 55 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 116 case distinctions, treesize of input 283 treesize of output 366 [2021-08-07 23:50:57,627 INFO L354 Elim1Store]: treesize reduction 892, result has 24.5 percent of original size [2021-08-07 23:50:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 55 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 116 case distinctions, treesize of input 360 treesize of output 586 [2021-08-07 23:50:59,607 INFO L354 Elim1Store]: treesize reduction 892, result has 24.5 percent of original size [2021-08-07 23:50:59,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 55 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 116 case distinctions, treesize of input 893 treesize of output 1055 [2021-08-07 23:51:11,511 INFO L354 Elim1Store]: treesize reduction 880, result has 36.5 percent of original size [2021-08-07 23:51:11,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 55 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 135 case distinctions, treesize of input 99 treesize of output 543 [2021-08-07 23:51:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:51:19,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774543528] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:51:19,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:51:19,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 43] total 79 [2021-08-07 23:51:19,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143309393] [2021-08-07 23:51:19,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-08-07 23:51:19,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:51:19,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-08-07 23:51:19,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=5852, Unknown=0, NotChecked=0, Total=6320 [2021-08-07 23:51:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:51:19,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:51:19,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.3) internal successors, (184), 79 states have internal predecessors, (184), 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) [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 23:51:19,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 23:51:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-07 23:51:41,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-08-07 23:51:41,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-07 23:51:41,438 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:51:41,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:51:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1128239998, now seen corresponding path program 13 times [2021-08-07 23:51:41,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:51:41,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742691552] [2021-08-07 23:51:41,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:51:41,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:51:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:51:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 143 proven. 269 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-07 23:51:42,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:51:42,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742691552] [2021-08-07 23:51:42,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742691552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:51:42,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210159888] [2021-08-07 23:51:42,566 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 23:51:42,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:51:42,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:51:42,566 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 23:51:42,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-07 23:51:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:51:44,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-07 23:51:44,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:51:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 174 proven. 166 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-08-07 23:51:46,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210159888] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:51:46,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:51:46,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21] total 47 [2021-08-07 23:51:46,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354718435] [2021-08-07 23:51:46,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-08-07 23:51:46,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:51:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-08-07 23:51:46,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1971, Unknown=0, NotChecked=0, Total=2256 [2021-08-07 23:51:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:51:46,344 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:51:46,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.0625) internal successors, (147), 47 states have internal predecessors, (147), 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) [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:46,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-07 23:51:46,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:51:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:54,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-07 23:51:54,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-08-07 23:51:54,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-07 23:51:54,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:51:54,236 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 23:51:54,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:51:54,236 INFO L82 PathProgramCache]: Analyzing trace with hash 416789560, now seen corresponding path program 14 times [2021-08-07 23:51:54,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:51:54,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365079588] [2021-08-07 23:51:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:51:54,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:51:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-07 23:52:00,435 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 23:52:00,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-07 23:52:00,436 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. [2021-08-07 23:52:00,438 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 23:52:00,438 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 23:52:00,438 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 23:52:00,446 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 23:52:00,447 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 23:52:00,448 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 11:52:00 BasicIcfg [2021-08-07 23:52:00,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 23:52:00,449 INFO L168 Benchmark]: Toolchain (without parser) took 800589.22 ms. Allocated memory was 188.7 MB in the beginning and 679.5 MB in the end (delta: 490.7 MB). Free memory was 167.8 MB in the beginning and 517.8 MB in the end (delta: -350.0 MB). Peak memory consumption was 140.8 MB. Max. memory is 8.0 GB. [2021-08-07 23:52:00,449 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 188.7 MB. Free memory was 169.0 MB in the beginning and 168.9 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 23:52:00,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.22 ms. Allocated memory is still 188.7 MB. Free memory was 167.7 MB in the beginning and 166.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:52:00,450 INFO L168 Benchmark]: Boogie Preprocessor took 19.78 ms. Allocated memory is still 188.7 MB. Free memory was 166.3 MB in the beginning and 165.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:52:00,450 INFO L168 Benchmark]: RCFGBuilder took 355.93 ms. Allocated memory is still 188.7 MB. Free memory was 165.1 MB in the beginning and 150.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 23:52:00,450 INFO L168 Benchmark]: TraceAbstraction took 800182.71 ms. Allocated memory was 188.7 MB in the beginning and 679.5 MB in the end (delta: 490.7 MB). Free memory was 150.3 MB in the beginning and 517.8 MB in the end (delta: -367.5 MB). Peak memory consumption was 124.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:52:00,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2021-08-07 23:52:00,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 188.7 MB. Free memory was 169.0 MB in the beginning and 168.9 MB in the end (delta: 66.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.22 ms. Allocated memory is still 188.7 MB. Free memory was 167.7 MB in the beginning and 166.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.78 ms. Allocated memory is still 188.7 MB. Free memory was 166.3 MB in the beginning and 165.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 355.93 ms. Allocated memory is still 188.7 MB. Free memory was 165.1 MB in the beginning and 150.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 800182.71 ms. Allocated memory was 188.7 MB in the beginning and 679.5 MB in the end (delta: 490.7 MB). Free memory was 150.3 MB in the beginning and 517.8 MB in the end (delta: -367.5 MB). Peak memory consumption was 124.0 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: 6470, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 1503, negative conditional: 1499, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5062, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 95, negative conditional: 91, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5062, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 95, negative conditional: 91, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 4528, positive unconditional: 439, negative: 1640, negative conditional: 1545, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 3679, positive unconditional: 1288, negative: 1640, negative conditional: 745, negative unconditional: 895, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 3679, positive unconditional: 1288, negative: 1640, negative conditional: 745, negative unconditional: 895, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 544, positive: 405, positive conditional: 85, positive unconditional: 320, negative: 139, negative conditional: 133, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 544, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 224, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 139, negative conditional: 133, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 477, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 340, negative conditional: 258, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6607, positive: 4562, positive conditional: 3594, positive unconditional: 968, negative: 1501, negative conditional: 612, negative unconditional: 889, unknown: 544, unknown conditional: 218, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 405, Positive conditional cache size: 85, Positive unconditional cache size: 320, Negative cache size: 139, Negative conditional cache size: 133, Negative unconditional cache size: 6, Eliminated conditions: 1649, Maximal queried relation: 19, Independence queries for same thread: 1408 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 123, Number of persistent set computation: 34, Number of trivial persistent sets: 14, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 373, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6470, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 1503, negative conditional: 1499, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5062, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 95, negative conditional: 91, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5062, positive: 4967, positive conditional: 4598, positive unconditional: 369, negative: 95, negative conditional: 91, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 4528, positive unconditional: 439, negative: 1640, negative conditional: 1545, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 3679, positive unconditional: 1288, negative: 1640, negative conditional: 745, negative unconditional: 895, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6607, positive: 4967, positive conditional: 3679, positive unconditional: 1288, negative: 1640, negative conditional: 745, negative unconditional: 895, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 544, positive: 405, positive conditional: 85, positive unconditional: 320, negative: 139, negative conditional: 133, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 544, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 224, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 139, negative conditional: 133, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 477, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 340, negative conditional: 258, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6607, positive: 4562, positive conditional: 3594, positive unconditional: 968, negative: 1501, negative conditional: 612, negative unconditional: 889, unknown: 544, unknown conditional: 218, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 544, Positive cache size: 405, Positive conditional cache size: 85, Positive unconditional cache size: 320, Negative cache size: 139, Negative conditional cache size: 133, Negative unconditional cache size: 6, Eliminated conditions: 1649, Maximal queried relation: 19, Independence queries for same thread: 1408 - 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: 71]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 103 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 800038.4ms, OverallIterations: 20, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.3ms, PartialOrderReductionTime: 68470.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 641, 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: 164.4ms SsaConstructionTime, 1084.3ms SatisfiabilityAnalysisTime, 710427.0ms InterpolantComputationTime, 2412 NumberOfCodeBlocks, 2388 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 2374 ConstructedInterpolants, 120 QuantifiedInterpolants, 87067 SizeOfPredicates, 71 NumberOfNonLiveVariables, 3282 ConjunctsInSsa, 750 ConjunctsInUnsatCore, 38 InterpolantComputations, 0 PerfectInterpolantSequences, 3208/7496 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 [2021-08-07 23:52:00,457 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown