/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 15:58:19,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 15:58:19,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 15:58:19,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 15:58:19,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 15:58:19,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 15:58:19,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 15:58:19,203 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-NewStatesSleepPersistent-NoLbe.epf [2021-08-07 15:58:19,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 15:58:19,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 15:58:19,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 15:58:19,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 15:58:19,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 15:58:19,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 15:58:19,265 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 15:58:19,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 15:58:19,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 15:58:19,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 15:58:19,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 15:58:19,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 15:58:19,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 15:58:19,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 15:58:19,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 15:58:19,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 15:58:19,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 15:58:19,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 15:58:19,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 15:58:19,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 15:58:19,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 15:58:19,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 15:58:19,269 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 15:58:19,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 15:58:19,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 15:58:19,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 15:58:19,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 15:58:19,610 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 15:58:19,611 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 15:58:19,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-08-07 15:58:19,613 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-08-07 15:58:19,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 15:58:19,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 15:58:19,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 15:58:19,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 15:58:19,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 15:58:19,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 15:58:19,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 15:58:19,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 15:58:19,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 15:58:19,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 15:58:19,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 15:58:19,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 15:58:19,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 15:58:19,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/1) ... [2021-08-07 15:58:19,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 15:58:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:19,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 15:58:19,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 15:58:19,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 15:58:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 15:58:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 15:58:19,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 15:58:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 15:58:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 15:58:19,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 15:58:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 15:58:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 15:58:19,748 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 15:58:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 15:58:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 15:58:19,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 15:58:20,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 15:58:20,013 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 15:58:20,015 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 03:58:20 BoogieIcfgContainer [2021-08-07 15:58:20,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 15:58:20,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 15:58:20,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 15:58:20,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 15:58:20,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 03:58:19" (1/2) ... [2021-08-07 15:58:20,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad17622 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 03:58:20, skipping insertion in model container [2021-08-07 15:58:20,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 03:58:20" (2/2) ... [2021-08-07 15:58:20,021 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-08-07 15:58:20,033 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 15:58:20,034 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 15:58:20,034 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 15:58:20,034 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 15:58:20,083 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 15:58:20,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 15:58:20,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:20,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 15:58:20,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 15:58:20,167 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 15:58:20,174 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 15:58:20,174 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 15:58:20,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:20,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:20,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1165228457, now seen corresponding path program 1 times [2021-08-07 15:58:20,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:20,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548200181] [2021-08-07 15:58:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:20,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 15:58:20,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:20,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548200181] [2021-08-07 15:58:20,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548200181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 15:58:20,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 15:58:20,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 15:58:20,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026015642] [2021-08-07 15:58:20,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 15:58:20,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:20,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 15:58:20,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 15:58:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:20,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:20,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:20,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:20,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 15:58:20,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:20,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:20,538 INFO L82 PathProgramCache]: Analyzing trace with hash 489485835, now seen corresponding path program 1 times [2021-08-07 15:58:20,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:20,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135482744] [2021-08-07 15:58:20,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:20,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:20,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:20,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135482744] [2021-08-07 15:58:20,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135482744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:20,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962418452] [2021-08-07 15:58:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:20,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:20,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:20,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 15:58:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:20,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 15:58:20,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:21,383 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 18 treesize of output 14 [2021-08-07 15:58:21,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2021-08-07 15:58:21,492 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 13 treesize of output 9 [2021-08-07 15:58:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:21,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962418452] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:21,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:21,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-08-07 15:58:21,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419552784] [2021-08-07 15:58:21,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-07 15:58:21,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:21,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-07 15:58:21,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-07 15:58:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:21,669 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:21,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:21,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:21,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:21,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:22,041 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 [2021-08-07 15:58:22,042 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:22,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:22,042 INFO L82 PathProgramCache]: Analyzing trace with hash -359112211, now seen corresponding path program 2 times [2021-08-07 15:58:22,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:22,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433315054] [2021-08-07 15:58:22,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:22,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:22,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:22,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433315054] [2021-08-07 15:58:22,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433315054] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:22,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704538367] [2021-08-07 15:58:22,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 15:58:22,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:22,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:22,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:22,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 15:58:22,195 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 15:58:22,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:22,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-07 15:58:22,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 15:58:22,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704538367] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:22,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:22,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-07 15:58:22,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771065179] [2021-08-07 15:58:22,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 15:58:22,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:22,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 15:58:22,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-07 15:58:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:22,383 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:22,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:22,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:22,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:22,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 15:58:22,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-07 15:58:22,836 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 [2021-08-07 15:58:22,837 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:22,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1783455915, now seen corresponding path program 3 times [2021-08-07 15:58:22,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:22,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61784291] [2021-08-07 15:58:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:22,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:23,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:23,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61784291] [2021-08-07 15:58:23,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61784291] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:23,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835680904] [2021-08-07 15:58:23,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 15:58:23,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:23,300 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:23,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 15:58:23,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-07 15:58:23,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:23,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-07 15:58:23,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:23,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-07 15:58:23,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2021-08-07 15:58:23,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-08-07 15:58:24,279 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-07 15:58:24,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 22 [2021-08-07 15:58:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:24,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835680904] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:24,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:24,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 15:58:24,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710041522] [2021-08-07 15:58:24,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 15:58:24,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:24,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 15:58:24,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-08-07 15:58:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:24,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:24,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 15:58:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:25,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:25,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 15:58:25,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:25,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:25,392 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 [2021-08-07 15:58:25,393 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash 119538919, now seen corresponding path program 4 times [2021-08-07 15:58:25,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:25,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941231365] [2021-08-07 15:58:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:25,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 15:58:25,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:25,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941231365] [2021-08-07 15:58:25,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941231365] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:25,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064150359] [2021-08-07 15:58:25,480 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 15:58:25,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:25,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:25,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:25,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 15:58:25,646 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 15:58:25,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:25,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-07 15:58:25,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 15:58:25,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064150359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:25,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:25,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-08-07 15:58:25,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255120792] [2021-08-07 15:58:25,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-07 15:58:25,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:25,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-07 15:58:25,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-08-07 15:58:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:25,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:25,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 15:58:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:25,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:26,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:26,254 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 [2021-08-07 15:58:26,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:26,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:26,255 INFO L82 PathProgramCache]: Analyzing trace with hash -259879133, now seen corresponding path program 5 times [2021-08-07 15:58:26,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:26,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987039777] [2021-08-07 15:58:26,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:26,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-07 15:58:26,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:26,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987039777] [2021-08-07 15:58:26,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987039777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:26,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738640427] [2021-08-07 15:58:26,342 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 15:58:26,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:26,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:26,343 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:26,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 15:58:26,505 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-07 15:58:26,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:26,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-07 15:58:26,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-07 15:58:26,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738640427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:26,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:26,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-07 15:58:26,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522179615] [2021-08-07 15:58:26,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 15:58:26,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 15:58:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-08-07 15:58:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:26,850 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:26,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 14 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:26,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:27,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:27,603 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 [2021-08-07 15:58:27,604 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:27,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:27,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1264214855, now seen corresponding path program 6 times [2021-08-07 15:58:27,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:27,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979395229] [2021-08-07 15:58:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:27,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-07 15:58:27,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:27,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979395229] [2021-08-07 15:58:27,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979395229] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:27,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363952723] [2021-08-07 15:58:27,772 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 15:58:27,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:27,773 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:27,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 15:58:27,962 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-07 15:58:27,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:27,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 15:58:27,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-07 15:58:28,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363952723] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:28,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:28,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-08-07 15:58:28,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199230817] [2021-08-07 15:58:28,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-07 15:58:28,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:28,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-07 15:58:28,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-08-07 15:58:28,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:28,353 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:28,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.1818181818181817) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:28,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:28,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:28,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:58:28,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:28,889 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 [2021-08-07 15:58:28,889 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:28,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1109257701, now seen corresponding path program 7 times [2021-08-07 15:58:28,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:28,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151743498] [2021-08-07 15:58:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:28,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:30,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:30,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151743498] [2021-08-07 15:58:30,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151743498] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:30,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613866769] [2021-08-07 15:58:30,054 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 15:58:30,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:30,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:30,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:30,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 15:58:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:30,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 63 conjunts are in the unsatisfiable core [2021-08-07 15:58:30,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:31,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 15:58:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 15:58:31,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 15:58:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 15:58:31,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 54 [2021-08-07 15:58:31,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:58:31,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 51 [2021-08-07 15:58:32,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-08-07 15:58:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:32,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613866769] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:32,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:32,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-08-07 15:58:32,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887310796] [2021-08-07 15:58:32,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-07 15:58:32,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:32,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-07 15:58:32,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1254, Unknown=0, NotChecked=0, Total=1406 [2021-08-07 15:58:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:32,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:32,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.5) internal successors, (95), 37 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:58:32,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:34,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:58:34,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:58:34,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:34,376 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 [2021-08-07 15:58:34,377 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:34,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:34,377 INFO L82 PathProgramCache]: Analyzing trace with hash 247079263, now seen corresponding path program 8 times [2021-08-07 15:58:34,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:34,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422967431] [2021-08-07 15:58:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:34,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-07 15:58:34,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:34,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422967431] [2021-08-07 15:58:34,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422967431] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:34,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272797191] [2021-08-07 15:58:34,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 15:58:34,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:34,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:34,529 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:34,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 15:58:34,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 15:58:34,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:34,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-07 15:58:34,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-07 15:58:35,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272797191] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:35,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:58:35,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-08-07 15:58:35,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730286064] [2021-08-07 15:58:35,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 15:58:35,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:58:35,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 15:58:35,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-08-07 15:58:35,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:35,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:58:35,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 14 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:35,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:58:35,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:58:35,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:58:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:58:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:58:35,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-07 15:58:35,717 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 [2021-08-07 15:58:35,717 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:58:35,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:58:35,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1576822629, now seen corresponding path program 9 times [2021-08-07 15:58:35,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:58:35,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849441654] [2021-08-07 15:58:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:58:35,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:58:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:58:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 9 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:58:36,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:58:36,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849441654] [2021-08-07 15:58:36,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849441654] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:58:36,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174434963] [2021-08-07 15:58:36,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 15:58:36,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:58:36,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:58:36,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:58:36,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 15:58:37,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-07 15:58:37,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:58:37,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 79 conjunts are in the unsatisfiable core [2021-08-07 15:58:37,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:58:38,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-08-07 15:58:38,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 15:58:38,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 34 [2021-08-07 15:58:38,660 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-08-07 15:58:38,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 50 [2021-08-07 15:58:38,871 INFO L354 Elim1Store]: treesize reduction 132, result has 14.8 percent of original size [2021-08-07 15:58:38,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 66 [2021-08-07 15:58:39,374 INFO L354 Elim1Store]: treesize reduction 178, result has 45.9 percent of original size [2021-08-07 15:58:39,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 105 treesize of output 223 [2021-08-07 15:58:39,440 INFO L354 Elim1Store]: treesize reduction 164, result has 15.5 percent of original size [2021-08-07 15:58:39,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 333 treesize of output 301 [2021-08-07 15:59:26,613 INFO L354 Elim1Store]: treesize reduction 152, result has 24.4 percent of original size [2021-08-07 15:59:26,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 77 [2021-08-07 15:59:26,861 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:26,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174434963] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:26,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:26,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 28] total 49 [2021-08-07 15:59:26,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159047807] [2021-08-07 15:59:26,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-07 15:59:26,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-07 15:59:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-08-07 15:59:26,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:26,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:26,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.18) internal successors, (109), 49 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:26,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:30,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:30,368 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 [2021-08-07 15:59:30,369 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:30,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:30,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1472664791, now seen corresponding path program 10 times [2021-08-07 15:59:30,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:30,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434898217] [2021-08-07 15:59:30,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:30,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-07 15:59:30,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:30,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434898217] [2021-08-07 15:59:30,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434898217] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:30,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331081287] [2021-08-07 15:59:30,547 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 15:59:30,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:30,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:30,548 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:30,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-07 15:59:31,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 15:59:31,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:59:31,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-07 15:59:31,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-07 15:59:31,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331081287] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:31,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:31,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2021-08-07 15:59:31,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379325245] [2021-08-07 15:59:31,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 15:59:31,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:31,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 15:59:31,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2021-08-07 15:59:31,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:31,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:31,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:59:31,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:31,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:31,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:31,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:31,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:31,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:31,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:31,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:31,886 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 [2021-08-07 15:59:31,886 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:31,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1675341277, now seen corresponding path program 11 times [2021-08-07 15:59:31,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:31,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617499925] [2021-08-07 15:59:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:31,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 16 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:33,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:33,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617499925] [2021-08-07 15:59:33,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617499925] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:33,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273581928] [2021-08-07 15:59:33,079 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 15:59:33,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:33,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:33,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:33,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-07 15:59:33,572 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-07 15:59:33,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:59:33,574 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 87 conjunts are in the unsatisfiable core [2021-08-07 15:59:33,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:34,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 15:59:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 15:59:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 15:59:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 15:59:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:34,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 15:59:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 15:59:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 74 [2021-08-07 15:59:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:35,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 71 [2021-08-07 15:59:36,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-08-07 15:59:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:36,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273581928] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:36,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:36,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2021-08-07 15:59:36,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810488218] [2021-08-07 15:59:36,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-08-07 15:59:36,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:36,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-08-07 15:59:36,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-08-07 15:59:36,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:36,543 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:36,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.411764705882353) internal successors, (123), 50 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:59:36,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:36,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:36,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:36,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:36,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:36,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:38,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:39,160 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 [2021-08-07 15:59:39,160 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:39,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:39,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1978227303, now seen corresponding path program 12 times [2021-08-07 15:59:39,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:39,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764160554] [2021-08-07 15:59:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:39,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:39,343 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-07 15:59:39,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:39,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764160554] [2021-08-07 15:59:39,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764160554] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:39,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153901552] [2021-08-07 15:59:39,344 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 15:59:39,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:39,345 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:39,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-07 15:59:39,981 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-08-07 15:59:39,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:59:39,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-07 15:59:39,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 49 proven. 85 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-07 15:59:40,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153901552] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:40,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:40,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-08-07 15:59:40,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287153024] [2021-08-07 15:59:40,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 15:59:40,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:40,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 15:59:40,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2021-08-07 15:59:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:40,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:40,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.263157894736842) internal successors, (62), 18 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:59:40,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:40,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 15:59:40,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:40,956 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 [2021-08-07 15:59:40,957 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:40,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:40,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1382113939, now seen corresponding path program 13 times [2021-08-07 15:59:40,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:40,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26957586] [2021-08-07 15:59:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:40,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 25 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:42,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:42,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26957586] [2021-08-07 15:59:42,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26957586] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:42,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777129336] [2021-08-07 15:59:42,360 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 15:59:42,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:42,361 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:42,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-07 15:59:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:43,033 WARN L261 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-07 15:59:43,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:44,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 15:59:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-07 15:59:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 15:59:44,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 15:59:44,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 15:59:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:44,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 15:59:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 15:59:45,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 84 [2021-08-07 15:59:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:45,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 81 [2021-08-07 15:59:46,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 25 [2021-08-07 15:59:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:46,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777129336] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:46,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:46,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 55 [2021-08-07 15:59:46,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395345026] [2021-08-07 15:59:46,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-07 15:59:46,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:46,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-07 15:59:46,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=2802, Unknown=0, NotChecked=0, Total=3080 [2021-08-07 15:59:46,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:46,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:46,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 2.4464285714285716) internal successors, (137), 55 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 15:59:46,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:49,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 15:59:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 15:59:49,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:49,742 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 [2021-08-07 15:59:49,742 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:49,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1891777073, now seen corresponding path program 14 times [2021-08-07 15:59:49,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:49,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576265478] [2021-08-07 15:59:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:49,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-07 15:59:50,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:50,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576265478] [2021-08-07 15:59:50,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576265478] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:50,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619160250] [2021-08-07 15:59:50,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 15:59:50,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:50,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:50,010 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:50,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-07 15:59:50,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 15:59:50,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:59:50,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 15:59:50,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-08-07 15:59:51,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619160250] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:51,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 15:59:51,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-08-07 15:59:51,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667855852] [2021-08-07 15:59:51,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 15:59:51,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 15:59:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 15:59:51,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-08-07 15:59:51,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:51,218 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 15:59:51,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 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) [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 15:59:51,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 15:59:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 15:59:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 15:59:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 15:59:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 15:59:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 15:59:51,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-07 15:59:51,870 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 [2021-08-07 15:59:51,870 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 15:59:51,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 15:59:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash -111124949, now seen corresponding path program 15 times [2021-08-07 15:59:51,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 15:59:51,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219018014] [2021-08-07 15:59:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 15:59:51,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 15:59:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 15:59:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 36 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 15:59:53,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 15:59:53,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219018014] [2021-08-07 15:59:53,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219018014] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 15:59:53,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932342123] [2021-08-07 15:59:53,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 15:59:53,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 15:59:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 15:59:53,673 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 15:59:53,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-07 15:59:54,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-07 15:59:54,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 15:59:54,611 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 117 conjunts are in the unsatisfiable core [2021-08-07 15:59:54,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 15:59:55,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 15:59:55,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 15:59:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 15:59:56,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-07 15:59:56,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 46 [2021-08-07 15:59:56,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2021-08-07 15:59:56,596 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-08-07 15:59:56,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 74 [2021-08-07 15:59:56,876 INFO L354 Elim1Store]: treesize reduction 200, result has 14.2 percent of original size [2021-08-07 15:59:56,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 73 treesize of output 90 [2021-08-07 15:59:57,162 INFO L354 Elim1Store]: treesize reduction 292, result has 12.0 percent of original size [2021-08-07 15:59:57,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 86 treesize of output 106 [2021-08-07 15:59:57,749 INFO L354 Elim1Store]: treesize reduction 288, result has 29.6 percent of original size [2021-08-07 15:59:57,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 133 treesize of output 211 [2021-08-07 15:59:57,873 INFO L354 Elim1Store]: treesize reduction 332, result has 12.4 percent of original size [2021-08-07 15:59:57,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 301 treesize of output 282 [2021-08-07 16:00:03,586 INFO L354 Elim1Store]: treesize reduction 396, result has 3.2 percent of original size [2021-08-07 16:00:03,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 36 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 42 case distinctions, treesize of input 75 treesize of output 45 [2021-08-07 16:00:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:03,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932342123] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:03,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:03,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34] total 64 [2021-08-07 16:00:03,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501066491] [2021-08-07 16:00:03,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-07 16:00:03,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:03,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-07 16:00:03,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=3835, Unknown=0, NotChecked=0, Total=4160 [2021-08-07 16:00:03,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:03,794 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:03,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.3230769230769233) internal successors, (151), 64 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:07,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-07 16:00:08,030 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 [2021-08-07 16:00:08,030 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:08,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:08,031 INFO L82 PathProgramCache]: Analyzing trace with hash 799711087, now seen corresponding path program 16 times [2021-08-07 16:00:08,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:08,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129119544] [2021-08-07 16:00:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:08,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-07 16:00:08,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:08,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129119544] [2021-08-07 16:00:08,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129119544] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:08,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644951739] [2021-08-07 16:00:08,283 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 16:00:08,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:08,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:08,289 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:08,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-07 16:00:09,425 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 16:00:09,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:00:09,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-07 16:00:09,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 81 proven. 136 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-07 16:00:09,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644951739] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:09,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:09,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 22 [2021-08-07 16:00:09,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317261861] [2021-08-07 16:00:09,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-07 16:00:09,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-07 16:00:09,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2021-08-07 16:00:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:09,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:09,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 22 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:09,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:10,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:10,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-08-07 16:00:10,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-07 16:00:10,611 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:10,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:10,611 INFO L82 PathProgramCache]: Analyzing trace with hash -731799413, now seen corresponding path program 17 times [2021-08-07 16:00:10,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:10,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304532497] [2021-08-07 16:00:10,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:10,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 49 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:12,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:12,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304532497] [2021-08-07 16:00:12,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304532497] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:12,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308824834] [2021-08-07 16:00:12,664 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 16:00:12,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:12,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:12,665 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:12,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-07 16:00:13,808 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-08-07 16:00:13,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:00:13,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 122 conjunts are in the unsatisfiable core [2021-08-07 16:00:13,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:15,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 16:00:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-08-07 16:00:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 16:00:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 16:00:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 16:00:15,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:15,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 16:00:16,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 16:00:16,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-08-07 16:00:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 138 [2021-08-07 16:00:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 104 [2021-08-07 16:00:16,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:16,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 101 [2021-08-07 16:00:18,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-08-07 16:00:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:18,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308824834] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:18,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:18,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 69 [2021-08-07 16:00:18,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387219976] [2021-08-07 16:00:18,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2021-08-07 16:00:18,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:18,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-08-07 16:00:18,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4549, Unknown=0, NotChecked=0, Total=4830 [2021-08-07 16:00:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:18,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:18,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.357142857142857) internal successors, (165), 69 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:18,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:18,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:24,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-07 16:00:24,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-07 16:00:24,249 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:24,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1124685113, now seen corresponding path program 18 times [2021-08-07 16:00:24,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:24,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928100848] [2021-08-07 16:00:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:24,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 81 proven. 185 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-07 16:00:24,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:24,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928100848] [2021-08-07 16:00:24,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928100848] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:24,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821606998] [2021-08-07 16:00:24,547 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 16:00:24,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:24,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:24,553 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:24,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-07 16:00:25,989 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2021-08-07 16:00:25,990 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:00:25,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 16:00:25,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 100 proven. 166 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-08-07 16:00:26,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821606998] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:26,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:26,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-08-07 16:00:26,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687215999] [2021-08-07 16:00:26,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-07 16:00:26,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:26,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-07 16:00:26,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=968, Unknown=0, NotChecked=0, Total=1190 [2021-08-07 16:00:26,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:26,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:26,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 34 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:26,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:26,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:28,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 16:00:28,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-08-07 16:00:28,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:28,574 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1195526605, now seen corresponding path program 19 times [2021-08-07 16:00:28,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:28,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102482733] [2021-08-07 16:00:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:28,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 64 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:30,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:30,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102482733] [2021-08-07 16:00:30,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102482733] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:30,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550300820] [2021-08-07 16:00:30,942 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-07 16:00:30,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:30,943 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:30,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-07 16:00:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:32,297 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 133 conjunts are in the unsatisfiable core [2021-08-07 16:00:32,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:33,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 16:00:33,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-08-07 16:00:34,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2021-08-07 16:00:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-08-07 16:00:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 70 [2021-08-07 16:00:34,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 70 [2021-08-07 16:00:34,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:34,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 86 [2021-08-07 16:00:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:35,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 102 [2021-08-07 16:00:35,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 106 [2021-08-07 16:00:35,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 118 [2021-08-07 16:00:35,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 166 [2021-08-07 16:00:36,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 92 [2021-08-07 16:00:37,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 31 [2021-08-07 16:00:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:37,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550300820] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:37,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:37,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 73 [2021-08-07 16:00:37,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291027222] [2021-08-07 16:00:37,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-07 16:00:37,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:37,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-07 16:00:37,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=4962, Unknown=0, NotChecked=0, Total=5402 [2021-08-07 16:00:37,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:37,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:37,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.418918918918919) internal successors, (179), 73 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-07 16:00:37,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:42,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 16:00:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 16:00:42,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-07 16:00:42,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:42,860 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:42,861 INFO L82 PathProgramCache]: Analyzing trace with hash -4886409, now seen corresponding path program 20 times [2021-08-07 16:00:42,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:42,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702216687] [2021-08-07 16:00:42,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:42,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 100 proven. 220 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-07 16:00:43,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:43,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702216687] [2021-08-07 16:00:43,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702216687] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:43,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309563015] [2021-08-07 16:00:43,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 16:00:43,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:43,201 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:43,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-07 16:00:44,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 16:00:44,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:00:44,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-08-07 16:00:44,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 199 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-07 16:00:45,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309563015] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:45,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:00:45,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 26 [2021-08-07 16:00:45,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544608669] [2021-08-07 16:00:45,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-07 16:00:45,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:00:45,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-07 16:00:45,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2021-08-07 16:00:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:45,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:00:45,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.037037037037037) internal successors, (82), 26 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-07 16:00:45,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-07 16:00:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-08-07 16:00:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-07 16:00:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-07 16:00:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 16:00:46,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-08-07 16:00:46,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:46,399 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 16:00:46,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:00:46,399 INFO L82 PathProgramCache]: Analyzing trace with hash -283323773, now seen corresponding path program 21 times [2021-08-07 16:00:46,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:00:46,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641044982] [2021-08-07 16:00:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:00:46,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:00:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:00:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:00:49,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:00:49,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641044982] [2021-08-07 16:00:49,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641044982] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:00:49,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445626037] [2021-08-07 16:00:49,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 16:00:49,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:00:49,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:00:49,075 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:00:49,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-08-07 16:00:50,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2021-08-07 16:00:50,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:00:50,725 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-07 16:00:50,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:00:52,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-08-07 16:00:52,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:52,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-08-07 16:00:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-08-07 16:00:53,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-08-07 16:00:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-08-07 16:00:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-08-07 16:00:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,347 INFO L354 Elim1Store]: treesize reduction 174, result has 19.1 percent of original size [2021-08-07 16:00:54,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 106 [2021-08-07 16:00:54,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:54,729 INFO L354 Elim1Store]: treesize reduction 274, result has 14.9 percent of original size [2021-08-07 16:00:54,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 102 treesize of output 122 [2021-08-07 16:00:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,201 INFO L354 Elim1Store]: treesize reduction 386, result has 12.5 percent of original size [2021-08-07 16:00:55,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 115 treesize of output 138 [2021-08-07 16:00:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:55,703 INFO L354 Elim1Store]: treesize reduction 510, result has 10.8 percent of original size [2021-08-07 16:00:55,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 30 case distinctions, treesize of input 128 treesize of output 154 [2021-08-07 16:00:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,267 INFO L354 Elim1Store]: treesize reduction 646, result has 9.7 percent of original size [2021-08-07 16:00:56,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 141 treesize of output 170 [2021-08-07 16:00:56,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:00:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,912 INFO L354 Elim1Store]: treesize reduction 828, result has 41.6 percent of original size [2021-08-07 16:01:00,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 30 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 123 case distinctions, treesize of input 222 treesize of output 722 [2021-08-07 16:01:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-07 16:01:01,153 INFO L354 Elim1Store]: treesize reduction 500, result has 7.6 percent of original size [2021-08-07 16:01:01,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1583 treesize of output 1209 [2021-08-07 16:02:41,598 WARN L207 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 933 DAG size of output: 905 [2021-08-07 16:03:22,294 WARN L207 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 933 DAG size of output: 905 Received shutdown request... [2021-08-07 16:11:57,379 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 [2021-08-07 16:11:57,379 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 [2021-08-07 16:11:57,381 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-07 16:11:57,383 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 16:11:57,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-08-07 16:11:57,418 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 16:11:57,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:11:57,585 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 4ms.. [2021-08-07 16:11:57,586 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 16:11:57,586 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 16:11:57,586 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 16:11:57,595 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 16:11:57,595 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 16:11:57,597 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 04:11:57 BasicIcfg [2021-08-07 16:11:57,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 16:11:57,597 INFO L168 Benchmark]: Toolchain (without parser) took 817960.11 ms. Allocated memory was 188.7 MB in the beginning and 746.6 MB in the end (delta: 557.8 MB). Free memory was 169.2 MB in the beginning and 198.5 MB in the end (delta: -29.3 MB). Peak memory consumption was 560.1 MB. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 188.7 MB. Free memory is still 170.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.29 ms. Allocated memory is still 188.7 MB. Free memory was 169.2 MB in the beginning and 167.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 INFO L168 Benchmark]: Boogie Preprocessor took 15.49 ms. Allocated memory is still 188.7 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 944.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 INFO L168 Benchmark]: RCFGBuilder took 336.09 ms. Allocated memory is still 188.7 MB. Free memory was 166.7 MB in the beginning and 152.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 INFO L168 Benchmark]: TraceAbstraction took 817580.44 ms. Allocated memory was 188.7 MB in the beginning and 746.6 MB in the end (delta: 557.8 MB). Free memory was 152.4 MB in the beginning and 198.5 MB in the end (delta: -46.1 MB). Peak memory consumption was 543.3 MB. Max. memory is 8.0 GB. [2021-08-07 16:11:57,598 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 0.15 ms. Allocated memory is still 188.7 MB. Free memory is still 170.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.29 ms. Allocated memory is still 188.7 MB. Free memory was 169.2 MB in the beginning and 167.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.49 ms. Allocated memory is still 188.7 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 944.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 336.09 ms. Allocated memory is still 188.7 MB. Free memory was 166.7 MB in the beginning and 152.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 817580.44 ms. Allocated memory was 188.7 MB in the beginning and 746.6 MB in the end (delta: 557.8 MB). Free memory was 152.4 MB in the beginning and 198.5 MB in the end (delta: -46.1 MB). Peak memory consumption was 543.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7961, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 5563, positive unconditional: 395, negative: 3701, negative conditional: 3480, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 380, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 359, negative conditional: 318, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9659, positive: 5647, positive conditional: 4864, positive unconditional: 783, negative: 3526, negative conditional: 2538, negative unconditional: 988, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 1455, Maximal queried relation: 21, Independence queries for same thread: 1782 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 64, Number of persistent set computation: 24, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 339, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7961, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 2003, negative conditional: 1999, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6179, positive: 5958, positive conditional: 5623, positive unconditional: 335, negative: 221, negative conditional: 217, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 5563, positive unconditional: 395, negative: 3701, negative conditional: 3480, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9659, positive: 5958, positive conditional: 4880, positive unconditional: 1078, negative: 3701, negative conditional: 2708, negative unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 486, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 486, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 191, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 175, negative conditional: 170, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 380, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 359, negative conditional: 318, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9659, positive: 5647, positive conditional: 4864, positive unconditional: 783, negative: 3526, negative conditional: 2538, negative unconditional: 988, unknown: 486, unknown conditional: 186, unknown unconditional: 300] , Statistics on independence cache: Total cache size (in pairs): 486, Positive cache size: 311, Positive conditional cache size: 16, Positive unconditional cache size: 295, Negative cache size: 175, Negative conditional cache size: 170, Negative unconditional cache size: 5, Eliminated conditions: 1455, Maximal queried relation: 21, Independence queries for same thread: 1782 - 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 4ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 4ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 4ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 12,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 4ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 817460.8ms, OverallIterations: 22, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.5ms, PartialOrderReductionTime: 31236.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 528, 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: 154.8ms SsaConstructionTime, 967.5ms SatisfiabilityAnalysisTime, 97555.1ms InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 2454 ConstructedInterpolants, 61 QuantifiedInterpolants, 74535 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 916 ConjunctsInUnsatCore, 41 InterpolantComputations, 1 PerfectInterpolantSequences, 2467/7368 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