/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/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:39:51,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:39:51,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:39:51,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:39:52,062 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 [2021-08-23 01:39:52,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:39:52,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:39:52,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:39:52,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:39:52,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:39:52,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:39:52,083 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:39:52,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:39:52,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:39:52,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:39:52,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:39:52,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:39:52,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:39:52,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:39:52,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:39:52,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:39:52,087 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:39:52,088 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:39:52,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:39:52,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:39:52,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:39:52,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:39:52,364 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:39:52,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:39:52,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2021-08-23 01:39:52,366 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2021-08-23 01:39:52,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:39:52,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:39:52,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:39:52,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:39:52,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:39:52,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:39:52,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:39:52,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:39:52,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:39:52,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:39:52,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:39:52,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:39:52,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:39:52,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/1) ... [2021-08-23 01:39:52,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:39:52,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:39:52,461 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) [2021-08-23 01:39:52,462 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 [2021-08-23 01:39:52,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:39:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:39:52,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:39:52,499 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:39:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:39:52,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:39:52,500 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:39:52,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:39:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:39:52,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:39:52,501 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:39:52,501 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:39:52,502 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-23 01:39:52,502 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-23 01:39:52,502 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-23 01:39:52,503 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:39:52,730 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:39:52,731 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 01:39:52,732 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:39:52 BoogieIcfgContainer [2021-08-23 01:39:52,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:39:52,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:39:52,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:39:52,735 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:39:52,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:39:52" (1/2) ... [2021-08-23 01:39:52,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e88f022 and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:39:52, skipping insertion in model container [2021-08-23 01:39:52,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:39:52" (2/2) ... [2021-08-23 01:39:52,737 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2021-08-23 01:39:52,740 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:39:52,740 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:39:52,740 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:39:52,740 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:39:52,806 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-23 01:39:52,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:39:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:39:52,846 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) [2021-08-23 01:39:52,874 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 [2021-08-23 01:39:52,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:39:52,889 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 [2021-08-23 01:39:52,889 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-23 01:39:53,109 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:39:53,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:39:53,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1711506024, now seen corresponding path program 1 times [2021-08-23 01:39:53,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:39:53,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693103636] [2021-08-23 01:39:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:39:53,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:39:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:39:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-23 01:39:53,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:39:53,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693103636] [2021-08-23 01:39:53,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693103636] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:39:53,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:39:53,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:39:53,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647683054] [2021-08-23 01:39:53,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:39:53,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:39:53,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:39:53,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:39:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:53,238 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:39:53,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:39:53,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:53,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:53,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-23 01:39:53,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:39:53,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:39:53,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1959729614, now seen corresponding path program 2 times [2021-08-23 01:39:53,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:39:53,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91761723] [2021-08-23 01:39:53,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:39:53,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:39:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:39:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-23 01:39:53,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:39:53,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91761723] [2021-08-23 01:39:53,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91761723] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:53,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554702262] [2021-08-23 01:39:53,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:39:53,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:39:53,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:39:53,369 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) [2021-08-23 01:39:53,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 01:39:53,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:39:53,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:39:53,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-23 01:39:53,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:39:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:39:53,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554702262] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:53,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:39:53,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2021-08-23 01:39:53,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704759334] [2021-08-23 01:39:53,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 01:39:53,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:39:53,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 01:39:53,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-23 01:39:53,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:53,904 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:39:53,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:39:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:53,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:39:54,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-23 01:39:54,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-08-23 01:39:54,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:39:54,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:39:54,285 INFO L82 PathProgramCache]: Analyzing trace with hash 305805348, now seen corresponding path program 3 times [2021-08-23 01:39:54,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:39:54,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346473885] [2021-08-23 01:39:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:39:54,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:39:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:39:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:39:54,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:39:54,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346473885] [2021-08-23 01:39:54,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346473885] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:54,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047463378] [2021-08-23 01:39:54,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:39:54,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:39:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:39:54,549 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) [2021-08-23 01:39:54,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 01:39:54,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-23 01:39:54,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:39:54,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-23 01:39:54,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:39:54,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-23 01:39:55,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-23 01:39:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:39:55,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047463378] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:55,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:39:55,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-08-23 01:39:55,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118761696] [2021-08-23 01:39:55,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-23 01:39:55,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:39:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-23 01:39:55,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-08-23 01:39:55,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:55,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:39:55,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.875) internal successors, (69), 24 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:39:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:55,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:39:55,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:39:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:39:55,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-23 01:39:56,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:39:56,011 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:39:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:39:56,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1960197106, now seen corresponding path program 4 times [2021-08-23 01:39:56,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:39:56,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210448340] [2021-08-23 01:39:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:39:56,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:39:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:39:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:39:56,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:39:56,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210448340] [2021-08-23 01:39:56,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210448340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:56,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735433728] [2021-08-23 01:39:56,481 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:39:56,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:39:56,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:39:56,485 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) [2021-08-23 01:39:56,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 01:39:56,595 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:39:56,595 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:39:56,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-23 01:39:56,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:39:57,364 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-23 01:39:57,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2021-08-23 01:39:57,460 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-23 01:39:57,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2021-08-23 01:39:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:39:57,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735433728] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:39:57,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:39:57,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 38 [2021-08-23 01:39:57,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493776772] [2021-08-23 01:39:57,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-23 01:39:57,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:39:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-23 01:39:57,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1247, Unknown=0, NotChecked=0, Total=1406 [2021-08-23 01:39:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:39:57,582 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:39:57,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.0526315789473686) internal successors, (78), 38 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:39:57,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:39:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:39:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:39:57,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:00,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:00,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 01:40:00,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:00,525 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:40:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:40:00,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1554519474, now seen corresponding path program 5 times [2021-08-23 01:40:00,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:40:00,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417252635] [2021-08-23 01:40:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:40:00,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:40:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:40:01,488 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 99 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-23 01:40:01,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:40:01,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417252635] [2021-08-23 01:40:01,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417252635] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:01,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78430921] [2021-08-23 01:40:01,488 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:40:01,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:01,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:40:01,489 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) [2021-08-23 01:40:01,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 01:40:01,670 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-08-23 01:40:01,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:40:01,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 61 conjunts are in the unsatisfiable core [2021-08-23 01:40:01,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:40:03,945 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-08-23 01:40:03,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 43 [2021-08-23 01:40:04,351 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-08-23 01:40:04,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2021-08-23 01:40:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:40:04,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78430921] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:04,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:40:04,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33] total 58 [2021-08-23 01:40:04,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598038306] [2021-08-23 01:40:04,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-08-23 01:40:04,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:40:04,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-08-23 01:40:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=3044, Unknown=0, NotChecked=0, Total=3306 [2021-08-23 01:40:04,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:04,514 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:40:04,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.206896551724138) internal successors, (128), 58 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:40:04,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:04,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:04,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:04,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:04,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:10,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 01:40:10,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:10,366 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:40:10,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:40:10,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1515888654, now seen corresponding path program 6 times [2021-08-23 01:40:10,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:40:10,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25416316] [2021-08-23 01:40:10,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:40:10,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:40:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:40:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 19 proven. 199 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-23 01:40:11,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:40:11,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25416316] [2021-08-23 01:40:11,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25416316] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:11,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572472028] [2021-08-23 01:40:11,685 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:40:11,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:11,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:40:11,686 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) [2021-08-23 01:40:11,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 01:40:12,018 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-08-23 01:40:12,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:40:12,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 89 conjunts are in the unsatisfiable core [2021-08-23 01:40:12,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:40:16,673 INFO L354 Elim1Store]: treesize reduction 605, result has 2.6 percent of original size [2021-08-23 01:40:16,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 119 treesize of output 90 [2021-08-23 01:40:17,508 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-08-23 01:40:17,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2021-08-23 01:40:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:40:17,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572472028] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:17,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:40:17,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 45] total 80 [2021-08-23 01:40:17,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74338317] [2021-08-23 01:40:17,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2021-08-23 01:40:17,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:40:17,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-08-23 01:40:17,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=5894, Unknown=0, NotChecked=0, Total=6320 [2021-08-23 01:40:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:17,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:40:17,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 2.1625) internal successors, (173), 80 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:17,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:24,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:40:24,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 01:40:24,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:24,981 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:40:24,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:40:24,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2121078648, now seen corresponding path program 7 times [2021-08-23 01:40:24,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:40:24,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297660748] [2021-08-23 01:40:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:40:24,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:40:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:40:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 36 proven. 305 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-08-23 01:40:26,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:40:26,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297660748] [2021-08-23 01:40:26,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297660748] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:26,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234494107] [2021-08-23 01:40:26,459 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 01:40:26,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:26,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:40:26,460 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) [2021-08-23 01:40:26,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 01:40:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:40:27,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 108 conjunts are in the unsatisfiable core [2021-08-23 01:40:27,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:40:32,756 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-08-23 01:40:32,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 133 treesize of output 77 [2021-08-23 01:40:33,942 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-08-23 01:40:33,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2021-08-23 01:40:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 19 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:40:34,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234494107] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:34,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:40:34,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 52] total 89 [2021-08-23 01:40:34,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783586432] [2021-08-23 01:40:34,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2021-08-23 01:40:34,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:40:34,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-08-23 01:40:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=7357, Unknown=0, NotChecked=0, Total=7832 [2021-08-23 01:40:34,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:34,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:40:34,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 2.101123595505618) internal successors, (187), 89 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:40:34,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:40:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:40:41,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-23 01:40:42,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:42,042 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:40:42,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:40:42,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1083333868, now seen corresponding path program 8 times [2021-08-23 01:40:42,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:40:42,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034434550] [2021-08-23 01:40:42,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:40:42,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:40:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:40:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 26 proven. 439 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-08-23 01:40:43,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:40:43,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034434550] [2021-08-23 01:40:43,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034434550] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:43,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397615638] [2021-08-23 01:40:43,839 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:40:43,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:40:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:40:43,840 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) [2021-08-23 01:40:43,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 01:40:44,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:40:44,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:40:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 136 conjunts are in the unsatisfiable core [2021-08-23 01:40:44,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:40:53,630 INFO L354 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2021-08-23 01:40:53,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 173 treesize of output 101 [2021-08-23 01:40:55,573 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-08-23 01:40:55,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2021-08-23 01:40:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 2 proven. 556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:40:55,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397615638] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:40:55,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:40:55,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 64] total 104 [2021-08-23 01:40:55,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94360058] [2021-08-23 01:40:55,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2021-08-23 01:40:55,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:40:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-08-23 01:40:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=10148, Unknown=0, NotChecked=0, Total=10712 [2021-08-23 01:40:55,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:40:55,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:40:55,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 2.1153846153846154) internal successors, (220), 104 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:40:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:40:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:40:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:40:55,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:40:55,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:40:55,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:40:55,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:40:55,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:41:09,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:41:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:41:09,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:41:09,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-23 01:41:09,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-23 01:41:09,673 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:41:09,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:41:09,674 INFO L82 PathProgramCache]: Analyzing trace with hash -916114894, now seen corresponding path program 9 times [2021-08-23 01:41:09,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:41:09,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873510918] [2021-08-23 01:41:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:41:09,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:41:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:41:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 29 proven. 629 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-08-23 01:41:11,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:41:11,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873510918] [2021-08-23 01:41:11,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873510918] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:41:11,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495186914] [2021-08-23 01:41:11,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:41:11,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:41:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:41:11,577 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) [2021-08-23 01:41:11,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 01:41:13,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-08-23 01:41:13,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:41:13,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 145 conjunts are in the unsatisfiable core [2021-08-23 01:41:13,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:41:24,011 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-08-23 01:41:24,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 189 treesize of output 113 [2021-08-23 01:41:26,631 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-08-23 01:41:26,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2021-08-23 01:41:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 2 proven. 755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:41:26,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495186914] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:41:26,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:41:26,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 71] total 114 [2021-08-23 01:41:26,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857216878] [2021-08-23 01:41:26,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2021-08-23 01:41:26,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:41:26,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2021-08-23 01:41:26,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=12292, Unknown=0, NotChecked=0, Total=12882 [2021-08-23 01:41:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:41:26,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:41:26,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 2.175438596491228) internal successors, (248), 114 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:41:26,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:41:41,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:41:41,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-23 01:41:41,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:41:41,558 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:41:41,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:41:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1857297294, now seen corresponding path program 10 times [2021-08-23 01:41:41,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:41:41,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008073765] [2021-08-23 01:41:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:41:41,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:41:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:41:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 100 proven. 796 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-08-23 01:41:43,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:41:43,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008073765] [2021-08-23 01:41:43,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008073765] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:41:43,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802685946] [2021-08-23 01:41:43,790 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:41:43,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:41:43,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:41:43,791 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) [2021-08-23 01:41:43,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-23 01:41:45,818 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:41:45,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:41:45,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 181 conjunts are in the unsatisfiable core [2021-08-23 01:41:45,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:01,500 INFO L354 Elim1Store]: treesize reduction 792, result has 0.1 percent of original size [2021-08-23 01:42:01,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 235 treesize of output 139 [2021-08-23 01:42:05,295 INFO L354 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2021-08-23 01:42:05,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2021-08-23 01:42:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 30 proven. 991 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:42:05,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802685946] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:05,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:05,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 83] total 135 [2021-08-23 01:42:05,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474338966] [2021-08-23 01:42:05,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2021-08-23 01:42:05,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2021-08-23 01:42:05,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=786, Invalid=17304, Unknown=0, NotChecked=0, Total=18090 [2021-08-23 01:42:05,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:05,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:05,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 2.0148148148148146) internal successors, (272), 135 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:42:05,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:42:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:42:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:42:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:42:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:42:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:42:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:42:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:42:22,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-23 01:42:22,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-23 01:42:22,697 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:42:22,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:42:22,697 INFO L82 PathProgramCache]: Analyzing trace with hash 689069260, now seen corresponding path program 11 times [2021-08-23 01:42:22,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:42:22,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963827847] [2021-08-23 01:42:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:42:22,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:42:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:42:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 45 proven. 973 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-08-23 01:42:25,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:42:25,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963827847] [2021-08-23 01:42:25,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963827847] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:25,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003938810] [2021-08-23 01:42:25,265 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:42:25,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:42:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:42:25,266 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) [2021-08-23 01:42:25,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-23 01:42:28,100 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-08-23 01:42:28,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:42:28,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 198 conjunts are in the unsatisfiable core [2021-08-23 01:42:28,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:42:46,364 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-08-23 01:42:46,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 249 treesize of output 149 [2021-08-23 01:42:51,041 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-08-23 01:42:51,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 158 treesize of output 58 [2021-08-23 01:42:51,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 33 proven. 1252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:42:51,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003938810] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:42:51,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:42:51,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 90] total 140 [2021-08-23 01:42:51,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264037923] [2021-08-23 01:42:51,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2021-08-23 01:42:51,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:42:51,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-08-23 01:42:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=18623, Unknown=0, NotChecked=0, Total=19460 [2021-08-23 01:42:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:42:51,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:42:51,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 2.05) internal successors, (287), 140 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:42:51,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:42:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:42:51,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:43:12,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:43:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:43:12,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-23 01:43:12,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-23 01:43:12,957 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:43:12,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:43:12,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1830177304, now seen corresponding path program 12 times [2021-08-23 01:43:12,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:43:12,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695219491] [2021-08-23 01:43:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:43:12,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:43:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:43:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 133 proven. 1291 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-08-23 01:43:16,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:43:16,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695219491] [2021-08-23 01:43:16,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695219491] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:43:16,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079991577] [2021-08-23 01:43:16,305 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:43:16,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:43:16,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:43:16,309 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) [2021-08-23 01:43:16,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-23 01:43:20,100 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2021-08-23 01:43:20,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:43:20,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 217 conjunts are in the unsatisfiable core [2021-08-23 01:43:20,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:43:46,201 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-08-23 01:43:46,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 289 treesize of output 173 [2021-08-23 01:43:52,775 INFO L354 Elim1Store]: treesize reduction 1232, result has 0.1 percent of original size [2021-08-23 01:43:52,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 182 treesize of output 66 [2021-08-23 01:43:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 2 proven. 1621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:43:53,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079991577] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:43:53,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:43:53,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 102] total 165 [2021-08-23 01:43:53,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174290126] [2021-08-23 01:43:53,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2021-08-23 01:43:53,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:43:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2021-08-23 01:43:53,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=26094, Unknown=0, NotChecked=0, Total=27060 [2021-08-23 01:43:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:43:53,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:43:53,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 2.0727272727272728) internal successors, (342), 165 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:43:53,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:43:53,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:44:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:44:23,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:44:23,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-23 01:44:23,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-23 01:44:23,436 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:44:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:44:23,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1688008682, now seen corresponding path program 13 times [2021-08-23 01:44:23,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:44:23,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139413136] [2021-08-23 01:44:23,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:44:23,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:44:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:44:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 50 proven. 1547 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-08-23 01:44:27,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:44:27,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139413136] [2021-08-23 01:44:27,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139413136] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:44:27,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694068403] [2021-08-23 01:44:27,228 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-23 01:44:27,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:44:27,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:44:27,233 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) [2021-08-23 01:44:27,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-23 01:44:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:44:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 245 conjunts are in the unsatisfiable core [2021-08-23 01:44:32,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:45:02,708 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-08-23 01:45:02,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 313 treesize of output 185 [2021-08-23 01:45:10,506 INFO L354 Elim1Store]: treesize reduction 1440, result has 0.1 percent of original size [2021-08-23 01:45:10,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 198 treesize of output 70 [2021-08-23 01:45:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 40 proven. 1912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:45:10,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694068403] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:45:10,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:45:10,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 109] total 172 [2021-08-23 01:45:10,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661230691] [2021-08-23 01:45:10,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2021-08-23 01:45:10,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:45:10,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2021-08-23 01:45:10,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=28422, Unknown=0, NotChecked=0, Total=29412 [2021-08-23 01:45:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:45:10,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:45:10,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.0406976744186047) internal successors, (351), 172 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:45:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:45:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:45:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:45:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:45:10,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:45:10,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:45:44,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:45:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:45:44,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-23 01:45:44,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-23 01:45:44,310 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:45:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:45:44,310 INFO L82 PathProgramCache]: Analyzing trace with hash 34232022, now seen corresponding path program 14 times [2021-08-23 01:45:44,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:45:44,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313736063] [2021-08-23 01:45:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:45:44,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:45:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:45:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 55 proven. 1885 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-08-23 01:45:48,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:45:48,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313736063] [2021-08-23 01:45:48,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313736063] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:45:48,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869568988] [2021-08-23 01:45:48,620 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:45:48,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:45:48,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:45:48,621 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) [2021-08-23 01:45:48,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-23 01:45:54,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:45:54,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:45:54,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 271 conjunts are in the unsatisfiable core [2021-08-23 01:45:54,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:46:34,267 INFO L354 Elim1Store]: treesize reduction 1836, result has 0.1 percent of original size [2021-08-23 01:46:34,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 353 treesize of output 209 [2021-08-23 01:46:44,353 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-08-23 01:46:44,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 218 treesize of output 78 [2021-08-23 01:46:44,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 2 proven. 2362 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:46:44,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869568988] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:46:44,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:46:44,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 121] total 189 [2021-08-23 01:46:44,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408838755] [2021-08-23 01:46:44,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2021-08-23 01:46:44,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:46:44,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2021-08-23 01:46:44,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1055, Invalid=34477, Unknown=0, NotChecked=0, Total=35532 [2021-08-23 01:46:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:44,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:46:44,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 2.0634920634920637) internal successors, (390), 189 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:46:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:46:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:46:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:46:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:46:44,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:46:44,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:47:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-08-23 01:47:34,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:34,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:34,521 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:47:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:34,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2103605216, now seen corresponding path program 15 times [2021-08-23 01:47:34,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:34,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871345749] [2021-08-23 01:47:34,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:34,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 47 proven. 2039 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-08-23 01:47:38,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:38,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871345749] [2021-08-23 01:47:38,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871345749] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:38,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476213397] [2021-08-23 01:47:38,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:47:38,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:38,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:38,761 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) [2021-08-23 01:47:38,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-23 01:47:46,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2021-08-23 01:47:46,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:46,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 317 conjunts are in the unsatisfiable core [2021-08-23 01:47:46,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:48:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:48:34,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:48:34,276 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-08-23 01:48:34,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 171 disjoint index pairs (out of 561 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 223 [2021-08-23 01:48:55,611 INFO L354 Elim1Store]: treesize reduction 2016, result has 0.0 percent of original size [2021-08-23 01:48:55,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 0 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 230 treesize of output 82 [2021-08-23 01:48:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 2 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:48:56,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476213397] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:48:56,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:48:56,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 144] total 207 [2021-08-23 01:48:56,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699521047] [2021-08-23 01:48:56,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 207 states [2021-08-23 01:48:56,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:48:56,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 207 interpolants. [2021-08-23 01:48:56,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=41636, Unknown=0, NotChecked=0, Total=42642 [2021-08-23 01:48:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:48:56,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:48:56,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 207 states, 207 states have (on average 1.9420289855072463) internal successors, (402), 207 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:48:56,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-08-23 01:48:56,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:50:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:50:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:50:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:50:26,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2021-08-23 01:50:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2021-08-23 01:50:26,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-08-23 01:50:26,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-23 01:50:26,889 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-23 01:50:26,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:50:26,889 INFO L82 PathProgramCache]: Analyzing trace with hash -2109600068, now seen corresponding path program 16 times [2021-08-23 01:50:26,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:50:26,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92607452] [2021-08-23 01:50:26,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:50:26,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:50:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:50:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 64 proven. 2554 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2021-08-23 01:50:32,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:50:32,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92607452] [2021-08-23 01:50:32,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92607452] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:50:32,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583118364] [2021-08-23 01:50:32,462 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:50:32,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:50:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:50:32,463 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) [2021-08-23 01:50:32,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-23 01:50:42,211 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:50:42,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:50:42,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 316 conjunts are in the unsatisfiable core [2021-08-23 01:50:42,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:51:39,309 INFO L354 Elim1Store]: treesize reduction 2520, result has 0.0 percent of original size [2021-08-23 01:51:39,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 413 treesize of output 245 [2021-08-23 01:51:54,100 INFO L354 Elim1Store]: treesize reduction 2480, result has 0.0 percent of original size [2021-08-23 01:51:54,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 254 treesize of output 90 [2021-08-23 01:51:54,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 51 proven. 3193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:51:54,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583118364] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:51:54,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:51:54,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 140] total 216 [2021-08-23 01:51:54,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6432599] [2021-08-23 01:51:54,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2021-08-23 01:51:54,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:51:54,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2021-08-23 01:51:54,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1230, Invalid=45210, Unknown=0, NotChecked=0, Total=46440 [2021-08-23 01:51:54,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:51:54,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:51:54,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 2.0046296296296298) internal successors, (433), 216 states have internal predecessors, (433), 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) [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2021-08-23 01:51:54,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-08-23 01:52:40,935 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:52:40,936 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:52:40,936 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 01:52:40,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-23 01:52:41,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-23 01:52:41,120 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. [2021-08-23 01:52:41,122 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 01:52:41,122 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 01:52:41,122 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 01:52:41,122 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 01:52:41,122 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-23 01:52:41,130 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 01:52:41,131 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 01:52:41,132 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 01:52:41 BasicIcfg [2021-08-23 01:52:41,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 01:52:41,132 INFO L168 Benchmark]: Toolchain (without parser) took 768738.28 ms. Allocated memory was 203.4 MB in the beginning and 987.8 MB in the end (delta: 784.3 MB). Free memory was 183.6 MB in the beginning and 232.4 MB in the end (delta: -48.9 MB). Peak memory consumption was 735.6 MB. Max. memory is 8.0 GB. [2021-08-23 01:52:41,132 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 203.4 MB. Free memory was 184.8 MB in the beginning and 184.7 MB in the end (delta: 88.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 01:52:41,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 203.4 MB. Free memory was 183.5 MB in the beginning and 182.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 01:52:41,133 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 ms. Allocated memory is still 203.4 MB. Free memory was 182.0 MB in the beginning and 181.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-23 01:52:41,133 INFO L168 Benchmark]: RCFGBuilder took 294.72 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 165.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-23 01:52:41,133 INFO L168 Benchmark]: TraceAbstraction took 768398.43 ms. Allocated memory was 203.4 MB in the beginning and 987.8 MB in the end (delta: 784.3 MB). Free memory was 165.0 MB in the beginning and 232.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 716.7 MB. Max. memory is 8.0 GB. [2021-08-23 01:52:41,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 203.4 MB. Free memory was 184.8 MB in the beginning and 184.7 MB in the end (delta: 88.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.41 ms. Allocated memory is still 203.4 MB. Free memory was 183.5 MB in the beginning and 182.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.90 ms. Allocated memory is still 203.4 MB. Free memory was 182.0 MB in the beginning and 181.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 294.72 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 165.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 768398.43 ms. Allocated memory was 203.4 MB in the beginning and 987.8 MB in the end (delta: 784.3 MB). Free memory was 165.0 MB in the beginning and 232.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 716.7 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: 27881, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 2291, negative conditional: 2281, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25846, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 256, negative conditional: 246, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25846, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 256, negative conditional: 246, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 24500, positive unconditional: 1090, negative: 11725, negative conditional: 11469, negative unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 23734, positive unconditional: 1856, negative: 11725, negative conditional: 10530, negative unconditional: 1195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 23734, positive unconditional: 1856, negative: 11725, negative conditional: 10530, negative unconditional: 1195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3221, positive: 2168, positive conditional: 1609, positive unconditional: 559, negative: 1053, negative conditional: 1042, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3221, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 2648, negative conditional: 0, negative unconditional: 2648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2648, positive: 1595, positive conditional: 1593, positive unconditional: 2, negative: 1053, negative conditional: 1042, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3547, positive: 1773, positive conditional: 1757, positive unconditional: 15, negative: 1775, negative conditional: 1688, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37315, positive: 23422, positive conditional: 22125, positive unconditional: 1297, negative: 10672, negative conditional: 9488, negative unconditional: 1184, unknown: 3221, unknown conditional: 2651, unknown unconditional: 570] , Statistics on independence cache: Total cache size (in pairs): 3221, Positive cache size: 2168, Positive conditional cache size: 1609, Positive unconditional cache size: 559, Negative cache size: 1053, Negative conditional cache size: 1042, Negative unconditional cache size: 11, Eliminated conditions: 1705, Maximal queried relation: 15, Independence queries for same thread: 2035 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 151, Number of persistent set computation: 148, Number of trivial persistent sets: 78, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 732, positive: 722, positive conditional: 0, positive unconditional: 722, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27881, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 2291, negative conditional: 2281, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25846, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 256, negative conditional: 246, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25846, positive: 25590, positive conditional: 24868, positive unconditional: 722, negative: 256, negative conditional: 246, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 24500, positive unconditional: 1090, negative: 11725, negative conditional: 11469, negative unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 23734, positive unconditional: 1856, negative: 11725, negative conditional: 10530, negative unconditional: 1195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37315, positive: 25590, positive conditional: 23734, positive unconditional: 1856, negative: 11725, negative conditional: 10530, negative unconditional: 1195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3221, positive: 2168, positive conditional: 1609, positive unconditional: 559, negative: 1053, negative conditional: 1042, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3221, positive: 573, positive conditional: 0, positive unconditional: 573, negative: 2648, negative conditional: 0, negative unconditional: 2648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2648, positive: 1595, positive conditional: 1593, positive unconditional: 2, negative: 1053, negative conditional: 1042, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3547, positive: 1773, positive conditional: 1757, positive unconditional: 15, negative: 1775, negative conditional: 1688, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37315, positive: 23422, positive conditional: 22125, positive unconditional: 1297, negative: 10672, negative conditional: 9488, negative unconditional: 1184, unknown: 3221, unknown conditional: 2651, unknown unconditional: 570] , Statistics on independence cache: Total cache size (in pairs): 3221, Positive cache size: 2168, Positive conditional cache size: 1609, Positive unconditional cache size: 559, Negative cache size: 1053, Negative conditional cache size: 1042, Negative unconditional cache size: 11, Eliminated conditions: 1705, Maximal queried relation: 15, Independence queries for same thread: 2035 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 327 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 768286.9ms, OverallIterations: 16, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.1ms, PartialOrderReductionTime: 340447.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1431, 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: 189.7ms SsaConstructionTime, 1908.9ms SatisfiabilityAnalysisTime, 381814.1ms InterpolantComputationTime, 4533 NumberOfCodeBlocks, 4533 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 4502 ConstructedInterpolants, 5 QuantifiedInterpolants, 375861 SizeOfPredicates, 399 NumberOfNonLiveVariables, 6232 ConjunctsInSsa, 2339 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 3788/32683 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown