/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 07:29:45,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 07:29:45,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 07:29:45,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 07:29:45,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-08 07:29:45,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-08 07:29:45,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-08 07:29:45,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-08 07:29:45,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-08 07:29:45,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-08 07:29:45,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-08 07:29:45,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-08 07:29:45,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-08 07:29:45,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-08 07:29:45,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-08 07:29:45,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-08 07:29:45,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-08 07:29:45,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-08 07:29:45,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-08 07:29:45,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-08 07:29:45,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-08 07:29:45,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-08 07:29:45,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-08 07:29:45,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-08 07:29:45,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-08 07:29:45,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-08 07:29:45,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-08 07:29:45,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-08 07:29:45,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-08 07:29:45,869 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 07:29:45,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 07:29:45,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 07:29:45,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 07:29:45,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 07:29:45,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 07:29:45,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 07:29:45,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 07:29:45,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 07:29:45,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 07:29:45,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 07:29:45,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 07:29:45,874 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 07:29:46,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 07:29:46,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 07:29:46,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 07:29:46,136 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-08 07:29:46,137 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-08 07:29:46,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2021-08-08 07:29:46,138 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2021-08-08 07:29:46,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 07:29:46,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-08 07:29:46,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 07:29:46,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 07:29:46,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 07:29:46,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 07:29:46,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 07:29:46,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 07:29:46,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 07:29:46,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 07:29:46,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 07:29:46,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 07:29:46,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 07:29:46,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/1) ... [2021-08-08 07:29:46,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 07:29:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:46,205 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) [2021-08-08 07:29:46,230 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 [2021-08-08 07:29:46,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-08 07:29:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-08 07:29:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-08 07:29:46,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-08 07:29:46,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-08 07:29:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-08 07:29:46,240 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-08 07:29:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 07:29:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 07:29:46,241 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-08 07:29:46,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-08 07:29:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-08 07:29:46,242 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 07:29:46,424 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 07:29:46,424 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-08 07:29:46,425 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:29:46 BoogieIcfgContainer [2021-08-08 07:29:46,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 07:29:46,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 07:29:46,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 07:29:46,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 07:29:46,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.08 07:29:46" (1/2) ... [2021-08-08 07:29:46,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c996c06 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 07:29:46, skipping insertion in model container [2021-08-08 07:29:46,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 07:29:46" (2/2) ... [2021-08-08 07:29:46,430 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2021-08-08 07:29:46,433 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 07:29:46,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 07:29:46,433 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 07:29:46,433 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 07:29:46,478 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-08 07:29:46,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 07:29:46,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:46,512 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) [2021-08-08 07:29:46,513 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 [2021-08-08 07:29:46,538 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 07:29:46,544 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 [2021-08-08 07:29:46,545 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-08 07:29:46,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:46,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:46,669 INFO L82 PathProgramCache]: Analyzing trace with hash -583725062, now seen corresponding path program 1 times [2021-08-08 07:29:46,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:46,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487353755] [2021-08-08 07:29:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:46,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:46,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:46,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:46,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487353755] [2021-08-08 07:29:46,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487353755] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 07:29:46,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 07:29:46,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-08 07:29:46,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563626196] [2021-08-08 07:29:46,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-08 07:29:46,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:46,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-08 07:29:46,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-08 07:29:46,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:46,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:46,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-08-08 07:29:46,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:46,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 07:29:46,945 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:46,948 INFO L82 PathProgramCache]: Analyzing trace with hash -257013212, now seen corresponding path program 1 times [2021-08-08 07:29:46,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:46,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333199033] [2021-08-08 07:29:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:46,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:47,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:47,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333199033] [2021-08-08 07:29:47,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333199033] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:47,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724805947] [2021-08-08 07:29:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:47,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:47,103 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) [2021-08-08 07:29:47,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-08 07:29:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:47,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-08 07:29:47,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:47,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-08 07:29:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:47,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724805947] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:47,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:47,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-08-08 07:29:47,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716757482] [2021-08-08 07:29:47,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 07:29:47,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:47,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 07:29:47,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-08 07:29:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:47,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:47,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2021-08-08 07:29:47,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:47,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:47,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:47,884 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 [2021-08-08 07:29:47,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:47,885 INFO L82 PathProgramCache]: Analyzing trace with hash 419817402, now seen corresponding path program 2 times [2021-08-08 07:29:47,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:47,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806604468] [2021-08-08 07:29:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:47,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:47,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:47,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806604468] [2021-08-08 07:29:47,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806604468] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:47,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889623798] [2021-08-08 07:29:47,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:29:47,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:47,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:47,957 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) [2021-08-08 07:29:47,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-08 07:29:48,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:29:48,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:29:48,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-08 07:29:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:48,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889623798] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:48,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:48,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-08 07:29:48,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017739070] [2021-08-08 07:29:48,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-08 07:29:48,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:48,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-08 07:29:48,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-08-08 07:29:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:48,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:48,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 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) [2021-08-08 07:29:48,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:48,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:48,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:48,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:48,545 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 [2021-08-08 07:29:48,546 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:48,547 INFO L82 PathProgramCache]: Analyzing trace with hash -847142903, now seen corresponding path program 3 times [2021-08-08 07:29:48,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:48,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543489243] [2021-08-08 07:29:48,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:48,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:48,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:48,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543489243] [2021-08-08 07:29:48,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543489243] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:48,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084668061] [2021-08-08 07:29:48,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:29:48,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:48,753 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) [2021-08-08 07:29:48,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-08 07:29:48,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-08 07:29:48,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:29:48,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-08 07:29:48,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:49,177 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 19 treesize of output 11 [2021-08-08 07:29:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:49,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084668061] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:49,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:49,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-08-08 07:29:49,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333795071] [2021-08-08 07:29:49,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-08 07:29:49,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:49,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-08 07:29:49,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-08-08 07:29:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:49,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:49,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 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) [2021-08-08 07:29:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:49,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:49,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:49,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:49,585 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 [2021-08-08 07:29:49,585 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:49,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1238775071, now seen corresponding path program 4 times [2021-08-08 07:29:49,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:49,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228309236] [2021-08-08 07:29:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:49,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:49,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:49,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228309236] [2021-08-08 07:29:49,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228309236] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:49,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079285674] [2021-08-08 07:29:49,655 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:29:49,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:49,656 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) [2021-08-08 07:29:49,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-08 07:29:49,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:29:49,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:29:49,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-08 07:29:49,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:50,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079285674] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:50,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:50,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-08-08 07:29:50,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028263756] [2021-08-08 07:29:50,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-08 07:29:50,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-08 07:29:50,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-08-08 07:29:50,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:50,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:50,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 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) [2021-08-08 07:29:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:50,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:29:50,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:50,378 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 [2021-08-08 07:29:50,379 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:50,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1306532996, now seen corresponding path program 5 times [2021-08-08 07:29:50,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:50,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354457856] [2021-08-08 07:29:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:50,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:50,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:50,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354457856] [2021-08-08 07:29:50,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354457856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:50,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948113886] [2021-08-08 07:29:50,870 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:29:50,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:50,871 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) [2021-08-08 07:29:50,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-08 07:29:50,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-08-08 07:29:50,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:29:50,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 29 conjunts are in the unsatisfiable core [2021-08-08 07:29:50,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:51,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-08-08 07:29:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:51,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948113886] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:51,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:51,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13] total 28 [2021-08-08 07:29:51,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445234944] [2021-08-08 07:29:51,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-08 07:29:51,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:51,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-08 07:29:51,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2021-08-08 07:29:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:51,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:51,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 28 states have internal predecessors, (64), 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) [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:29:51,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:52,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:29:52,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:29:53,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:53,189 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 [2021-08-08 07:29:53,189 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash 595104859, now seen corresponding path program 1 times [2021-08-08 07:29:53,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:53,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415225183] [2021-08-08 07:29:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:53,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-08 07:29:53,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:53,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415225183] [2021-08-08 07:29:53,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415225183] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:53,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286171473] [2021-08-08 07:29:53,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:53,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:53,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:53,317 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) [2021-08-08 07:29:53,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-08 07:29:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:53,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-08 07:29:53,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:53,832 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:53,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286171473] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:53,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:29:53,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 23 [2021-08-08 07:29:53,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011421213] [2021-08-08 07:29:53,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-08 07:29:53,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:29:53,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-08 07:29:53,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2021-08-08 07:29:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:53,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:29:53,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.5217391304347827) internal successors, (81), 23 states have internal predecessors, (81), 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) [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:29:53,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:29:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:29:54,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-08 07:29:54,513 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 [2021-08-08 07:29:54,513 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:29:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:29:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash 451003931, now seen corresponding path program 2 times [2021-08-08 07:29:54,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:29:54,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494127593] [2021-08-08 07:29:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:29:54,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:29:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:29:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 1 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:29:56,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:29:56,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494127593] [2021-08-08 07:29:56,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494127593] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:29:56,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646607428] [2021-08-08 07:29:56,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:29:56,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:29:56,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:29:56,012 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) [2021-08-08 07:29:56,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-08 07:29:56,202 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:29:56,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:29:56,207 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-08-08 07:29:56,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:29:59,797 INFO L354 Elim1Store]: treesize reduction 196, result has 24.3 percent of original size [2021-08-08 07:29:59,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 15 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 65 treesize of output 97 [2021-08-08 07:30:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:00,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646607428] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:00,138 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:00,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 67 [2021-08-08 07:30:00,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473412963] [2021-08-08 07:30:00,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-08-08 07:30:00,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:00,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-08-08 07:30:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=3939, Unknown=0, NotChecked=0, Total=4422 [2021-08-08 07:30:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:00,141 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:00,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 67 states have internal predecessors, (111), 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) [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:00,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:04,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-08 07:30:04,919 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 [2021-08-08 07:30:04,919 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:04,919 INFO L82 PathProgramCache]: Analyzing trace with hash 988413874, now seen corresponding path program 3 times [2021-08-08 07:30:04,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:04,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586515470] [2021-08-08 07:30:04,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:04,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:06,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:06,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586515470] [2021-08-08 07:30:06,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586515470] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:06,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353153935] [2021-08-08 07:30:06,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:30:06,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:06,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:06,559 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) [2021-08-08 07:30:06,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-08 07:30:06,858 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-08 07:30:06,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:30:06,860 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 77 conjunts are in the unsatisfiable core [2021-08-08 07:30:06,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:30:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:30:10,998 INFO L354 Elim1Store]: treesize reduction 330, result has 42.8 percent of original size [2021-08-08 07:30:10,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 20 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 58 case distinctions, treesize of input 81 treesize of output 283 [2021-08-08 07:30:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:17,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353153935] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:17,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:17,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 41] total 77 [2021-08-08 07:30:17,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124283990] [2021-08-08 07:30:17,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2021-08-08 07:30:17,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:17,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-08-08 07:30:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=5295, Unknown=0, NotChecked=0, Total=5852 [2021-08-08 07:30:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:17,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:17,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 1.5974025974025974) internal successors, (123), 77 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) [2021-08-08 07:30:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:17,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:17,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-08-08 07:30:23,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-08 07:30:24,138 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 [2021-08-08 07:30:24,139 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:24,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:24,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1331510481, now seen corresponding path program 4 times [2021-08-08 07:30:24,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:24,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6716168] [2021-08-08 07:30:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:24,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 40 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:24,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:24,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6716168] [2021-08-08 07:30:24,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6716168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:24,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746704488] [2021-08-08 07:30:24,351 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:30:24,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:24,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:24,352 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) [2021-08-08 07:30:24,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-08 07:30:24,791 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:30:24,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:30:24,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-08 07:30:24,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:30:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 56 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:25,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746704488] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:25,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:25,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 31 [2021-08-08 07:30:25,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839792867] [2021-08-08 07:30:25,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-08 07:30:25,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-08 07:30:25,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2021-08-08 07:30:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:25,336 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:25,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.161290322580645) internal successors, (98), 31 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-08-08 07:30:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:25,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-08-08 07:30:25,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:25,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-08 07:30:26,034 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 [2021-08-08 07:30:26,034 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:26,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:26,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1971806318, now seen corresponding path program 5 times [2021-08-08 07:30:26,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:26,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709568150] [2021-08-08 07:30:26,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:26,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 27 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:28,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:28,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709568150] [2021-08-08 07:30:28,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709568150] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:28,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727013668] [2021-08-08 07:30:28,176 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:30:28,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:28,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:28,178 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) [2021-08-08 07:30:28,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-08 07:30:28,656 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-08-08 07:30:28,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:30:28,657 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 86 conjunts are in the unsatisfiable core [2021-08-08 07:30:28,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:30:34,050 INFO L354 Elim1Store]: treesize reduction 266, result has 47.3 percent of original size [2021-08-08 07:30:34,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 21 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 57 case distinctions, treesize of input 90 treesize of output 284 [2021-08-08 07:30:35,525 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:35,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727013668] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:35,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:35,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 89 [2021-08-08 07:30:35,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532596519] [2021-08-08 07:30:35,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2021-08-08 07:30:35,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:35,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2021-08-08 07:30:35,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=824, Invalid=7008, Unknown=0, NotChecked=0, Total=7832 [2021-08-08 07:30:35,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:35,528 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:35,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.651685393258427) internal successors, (147), 89 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:43,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:43,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:30:43,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-08-08 07:30:43,772 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 [2021-08-08 07:30:43,773 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:43,773 INFO L82 PathProgramCache]: Analyzing trace with hash 244818939, now seen corresponding path program 6 times [2021-08-08 07:30:43,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:43,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336858913] [2021-08-08 07:30:43,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:43,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 73 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:44,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:44,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336858913] [2021-08-08 07:30:44,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336858913] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:44,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485906537] [2021-08-08 07:30:44,089 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 07:30:44,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:44,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:44,090 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) [2021-08-08 07:30:44,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-08 07:30:44,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-08-08 07:30:44,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:30:44,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-08 07:30:44,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:30:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 92 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:45,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485906537] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:45,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:45,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 37 [2021-08-08 07:30:45,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813186462] [2021-08-08 07:30:45,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-08 07:30:45,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:45,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-08 07:30:45,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1096, Unknown=0, NotChecked=0, Total=1332 [2021-08-08 07:30:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:45,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:45,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 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) [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:45,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:30:45,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:45,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:30:45,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:30:45,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:30:45,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-08-08 07:30:46,105 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 [2021-08-08 07:30:46,105 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:46,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:46,106 INFO L82 PathProgramCache]: Analyzing trace with hash -136056792, now seen corresponding path program 7 times [2021-08-08 07:30:46,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:46,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943430855] [2021-08-08 07:30:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:46,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 73 proven. 264 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:46,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:46,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943430855] [2021-08-08 07:30:46,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943430855] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:46,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932946358] [2021-08-08 07:30:46,404 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 07:30:46,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:46,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:46,405 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) [2021-08-08 07:30:46,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-08 07:30:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:47,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-08 07:30:47,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:30:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 92 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:47,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932946358] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:47,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:30:47,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 38 [2021-08-08 07:30:47,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291556477] [2021-08-08 07:30:47,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-08 07:30:47,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:30:47,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-08 07:30:47,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1156, Unknown=0, NotChecked=0, Total=1406 [2021-08-08 07:30:47,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:47,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:30:47,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.1315789473684212) internal successors, (119), 38 states have internal predecessors, (119), 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) [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:47,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:30:47,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:47,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:30:47,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:30:47,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:30:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:30:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:30:48,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-08-08 07:30:48,583 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 [2021-08-08 07:30:48,583 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:30:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:30:48,583 INFO L82 PathProgramCache]: Analyzing trace with hash 498637019, now seen corresponding path program 8 times [2021-08-08 07:30:48,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:30:48,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503954232] [2021-08-08 07:30:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:30:48,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:30:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:30:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 44 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:30:51,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:30:51,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503954232] [2021-08-08 07:30:51,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503954232] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:30:51,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685443010] [2021-08-08 07:30:51,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:30:51,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:30:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:30:51,817 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) [2021-08-08 07:30:51,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-08 07:30:52,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:30:52,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:30:52,486 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 113 conjunts are in the unsatisfiable core [2021-08-08 07:30:52,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:31:00,984 INFO L354 Elim1Store]: treesize reduction 680, result has 14.9 percent of original size [2021-08-08 07:31:00,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 66 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 87 case distinctions, treesize of input 105 treesize of output 165 [2021-08-08 07:31:01,434 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:01,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685443010] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:01,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:31:01,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 115 [2021-08-08 07:31:01,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382545674] [2021-08-08 07:31:01,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2021-08-08 07:31:01,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:31:01,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2021-08-08 07:31:01,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1289, Invalid=11821, Unknown=0, NotChecked=0, Total=13110 [2021-08-08 07:31:01,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:01,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:31:01,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 1.5913043478260869) internal successors, (183), 115 states have internal predecessors, (183), 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) [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:01,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:13,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-08 07:31:13,252 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 [2021-08-08 07:31:13,252 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:31:13,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:31:13,253 INFO L82 PathProgramCache]: Analyzing trace with hash -53468929, now seen corresponding path program 9 times [2021-08-08 07:31:13,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:31:13,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735015297] [2021-08-08 07:31:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:31:13,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:31:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:31:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 105 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:13,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:31:13,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735015297] [2021-08-08 07:31:13,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735015297] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:13,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585175989] [2021-08-08 07:31:13,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:31:13,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:31:13,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:31:13,632 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) [2021-08-08 07:31:13,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-08 07:31:14,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-08-08 07:31:14,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:31:14,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-08 07:31:14,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:31:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 127 proven. 328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:15,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585175989] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:15,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:31:15,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 43 [2021-08-08 07:31:15,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060523468] [2021-08-08 07:31:15,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-08-08 07:31:15,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:31:15,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-08-08 07:31:15,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1490, Unknown=0, NotChecked=0, Total=1806 [2021-08-08 07:31:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:15,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:31:15,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.116279069767442) internal successors, (134), 43 states have internal predecessors, (134), 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) [2021-08-08 07:31:15,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:15,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:16,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:31:16,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-08 07:31:16,203 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 [2021-08-08 07:31:16,203 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:31:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:31:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash -142596956, now seen corresponding path program 10 times [2021-08-08 07:31:16,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:31:16,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558941048] [2021-08-08 07:31:16,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:31:16,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:31:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:31:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 56 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:20,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:31:20,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558941048] [2021-08-08 07:31:20,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558941048] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:20,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24424561] [2021-08-08 07:31:20,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-08 07:31:20,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:31:20,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:31:20,350 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) [2021-08-08 07:31:20,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-08 07:31:21,253 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-08 07:31:21,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:31:21,255 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 128 conjunts are in the unsatisfiable core [2021-08-08 07:31:21,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:31:31,208 INFO L354 Elim1Store]: treesize reduction 1022, result has 1.8 percent of original size [2021-08-08 07:31:31,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 105 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 105 case distinctions, treesize of input 113 treesize of output 61 [2021-08-08 07:31:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:31,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24424561] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:31,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:31:31,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 64] total 128 [2021-08-08 07:31:31,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491037800] [2021-08-08 07:31:31,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2021-08-08 07:31:31,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:31:31,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2021-08-08 07:31:31,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1082, Invalid=15174, Unknown=0, NotChecked=0, Total=16256 [2021-08-08 07:31:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:31,318 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:31:31,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 1.6171875) internal successors, (207), 128 states have internal predecessors, (207), 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) [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:31:31,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:50,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:31:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:31:51,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-08-08 07:31:51,191 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 [2021-08-08 07:31:51,191 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:31:51,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:31:51,192 INFO L82 PathProgramCache]: Analyzing trace with hash 835823240, now seen corresponding path program 11 times [2021-08-08 07:31:51,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:31:51,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246825437] [2021-08-08 07:31:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:31:51,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:31:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:31:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 143 proven. 448 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:51,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:31:51,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246825437] [2021-08-08 07:31:51,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246825437] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:51,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891219777] [2021-08-08 07:31:51,702 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-08 07:31:51,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:31:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:31:51,702 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) [2021-08-08 07:31:51,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-08 07:31:52,788 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-08-08 07:31:52,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:31:52,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-08 07:31:52,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:31:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 168 proven. 423 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:31:53,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891219777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:31:53,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:31:53,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 48 [2021-08-08 07:31:53,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300493432] [2021-08-08 07:31:53,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-08-08 07:31:53,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:31:53,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-08-08 07:31:53,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=1866, Unknown=0, NotChecked=0, Total=2256 [2021-08-08 07:31:53,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:53,648 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:31:53,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.1041666666666665) internal successors, (149), 48 states have internal predecessors, (149), 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) [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:31:53,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:31:53,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:31:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:31:54,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:31:54,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-08-08 07:31:54,803 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 [2021-08-08 07:31:54,804 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:31:54,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:31:54,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1402127995, now seen corresponding path program 12 times [2021-08-08 07:31:54,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:31:54,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463527905] [2021-08-08 07:31:54,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:31:54,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:31:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:32:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 81 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:32:00,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:32:00,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463527905] [2021-08-08 07:32:00,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463527905] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:32:00,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142815847] [2021-08-08 07:32:00,026 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-08 07:32:00,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:32:00,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:32:00,027 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) [2021-08-08 07:32:00,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-08 07:32:01,200 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2021-08-08 07:32:01,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:32:01,203 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 149 conjunts are in the unsatisfiable core [2021-08-08 07:32:01,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:32:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:32:15,732 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-08-08 07:32:24,143 WARN L207 SmtUtils]: Spent 8.40 s on a formula simplification. DAG size of input: 1392 DAG size of output: 664 [2021-08-08 07:32:24,145 INFO L354 Elim1Store]: treesize reduction 2216, result has 35.5 percent of original size [2021-08-08 07:32:24,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 136 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 329 case distinctions, treesize of input 161 treesize of output 1273 [2021-08-08 07:33:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:33:25,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142815847] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:33:25,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:33:25,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 77] total 149 [2021-08-08 07:33:25,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311546588] [2021-08-08 07:33:25,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2021-08-08 07:33:25,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:33:25,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2021-08-08 07:33:25,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1685, Invalid=20367, Unknown=0, NotChecked=0, Total=22052 [2021-08-08 07:33:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:25,760 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:33:25,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 1.5503355704697988) internal successors, (231), 149 states have internal predecessors, (231), 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) [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:25,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:25,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-08-08 07:33:50,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-08 07:33:51,001 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 [2021-08-08 07:33:51,002 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:33:51,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:33:51,002 INFO L82 PathProgramCache]: Analyzing trace with hash 414724809, now seen corresponding path program 13 times [2021-08-08 07:33:51,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:33:51,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136086113] [2021-08-08 07:33:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:33:51,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:33:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:33:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 215 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:33:51,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:33:51,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136086113] [2021-08-08 07:33:51,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136086113] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:33:51,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664650458] [2021-08-08 07:33:51,663 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-08 07:33:51,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:33:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:33:51,664 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) [2021-08-08 07:33:51,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-08-08 07:33:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:33:53,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 41 conjunts are in the unsatisfiable core [2021-08-08 07:33:53,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:33:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 246 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:33:54,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664650458] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:33:54,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:33:54,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 55 [2021-08-08 07:33:54,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201987911] [2021-08-08 07:33:54,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-08-08 07:33:54,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:33:54,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-08-08 07:33:54,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=2461, Unknown=0, NotChecked=0, Total=2970 [2021-08-08 07:33:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:54,082 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:33:54,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 3.090909090909091) internal successors, (170), 55 states have internal predecessors, (170), 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) [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-08-08 07:33:54,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-08-08 07:33:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-08 07:33:54,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-08-08 07:33:55,125 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 [2021-08-08 07:33:55,126 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:33:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:33:55,126 INFO L82 PathProgramCache]: Analyzing trace with hash 2058241690, now seen corresponding path program 14 times [2021-08-08 07:33:55,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:33:55,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360464218] [2021-08-08 07:33:55,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:33:55,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:33:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:33:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 215 proven. 619 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:33:55,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:33:55,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360464218] [2021-08-08 07:33:55,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360464218] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:33:55,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936226452] [2021-08-08 07:33:55,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 07:33:55,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:33:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:33:55,729 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) [2021-08-08 07:33:55,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-08-08 07:33:57,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 07:33:57,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:33:57,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 42 conjunts are in the unsatisfiable core [2021-08-08 07:33:57,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:33:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 246 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:33:58,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936226452] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:33:58,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-08 07:33:58,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 56 [2021-08-08 07:33:58,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30560500] [2021-08-08 07:33:58,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-08-08 07:33:58,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 07:33:58,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-08-08 07:33:58,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=2550, Unknown=0, NotChecked=0, Total=3080 [2021-08-08 07:33:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:58,183 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 07:33:58,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.0892857142857144) internal successors, (173), 56 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-08-08 07:33:58,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 07:33:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-08 07:33:59,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-08 07:33:59,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-08-08 07:33:59,650 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 [2021-08-08 07:33:59,650 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-08 07:33:59,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 07:33:59,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1442469161, now seen corresponding path program 15 times [2021-08-08 07:33:59,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 07:33:59,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166437334] [2021-08-08 07:33:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 07:33:59,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 07:33:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 07:34:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 127 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 07:34:06,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 07:34:06,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166437334] [2021-08-08 07:34:06,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166437334] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 07:34:06,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906355081] [2021-08-08 07:34:06,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 07:34:06,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 07:34:06,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 07:34:06,680 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) [2021-08-08 07:34:06,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-08-08 07:34:08,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-08-08 07:34:08,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 07:34:08,187 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 173 conjunts are in the unsatisfiable core [2021-08-08 07:34:08,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 07:34:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-08 07:34:27,564 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-08-08 07:34:39,907 WARN L207 SmtUtils]: Spent 12.34 s on a formula simplification. DAG size of input: 1615 DAG size of output: 807 [2021-08-08 07:34:39,909 INFO L354 Elim1Store]: treesize reduction 2488, result has 37.8 percent of original size [2021-08-08 07:34:39,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 144 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 384 case distinctions, treesize of input 179 treesize of output 1573 [2021-08-08 07:36:14,404 WARN L207 SmtUtils]: Spent 8.87 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1261 [2021-08-08 07:39:55,291 WARN L207 SmtUtils]: Spent 8.88 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1261 [2021-08-08 07:40:04,806 WARN L207 SmtUtils]: Spent 9.33 s on a formula simplification. DAG size of input: 1520 DAG size of output: 1476 [2021-08-08 07:42:49,734 WARN L207 SmtUtils]: Spent 9.36 s on a formula simplification. DAG size of input: 1520 DAG size of output: 1476 [2021-08-08 07:42:57,465 WARN L207 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 1107 DAG size of output: 1075 Received shutdown request... [2021-08-08 07:43:45,733 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 [2021-08-08 07:43:45,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-08 07:43:45,753 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 [2021-08-08 07:43:45,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-08-08 07:43:45,763 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 07:43:45,948 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 [2021-08-08 07:43:45,949 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-140-2-2-4-2-6-4-6-3-6-3-8-9-5-3-3-3-3-3-3-2-1 context. [2021-08-08 07:43:45,950 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 07:43:45,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 07:43:45,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-08 07:43:45,959 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 07:43:45,959 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 07:43:45,960 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 07:43:45 BasicIcfg [2021-08-08 07:43:45,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 07:43:45,963 INFO L168 Benchmark]: Toolchain (without parser) took 839805.50 ms. Allocated memory was 196.1 MB in the beginning and 706.7 MB in the end (delta: 510.7 MB). Free memory was 176.4 MB in the beginning and 139.7 MB in the end (delta: 36.7 MB). Peak memory consumption was 629.7 MB. Max. memory is 8.0 GB. [2021-08-08 07:43:45,963 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 196.1 MB. Free memory is still 177.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 07:43:45,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.21 ms. Allocated memory is still 196.1 MB. Free memory was 176.2 MB in the beginning and 174.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 07:43:45,964 INFO L168 Benchmark]: Boogie Preprocessor took 10.65 ms. Allocated memory is still 196.1 MB. Free memory was 174.7 MB in the beginning and 173.9 MB in the end (delta: 869.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 07:43:45,964 INFO L168 Benchmark]: RCFGBuilder took 239.38 ms. Allocated memory is still 196.1 MB. Free memory was 173.7 MB in the beginning and 162.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-08 07:43:45,964 INFO L168 Benchmark]: TraceAbstraction took 839533.57 ms. Allocated memory was 196.1 MB in the beginning and 706.7 MB in the end (delta: 510.7 MB). Free memory was 161.7 MB in the beginning and 139.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 615.0 MB. Max. memory is 8.0 GB. [2021-08-08 07:43:45,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 196.1 MB. Free memory is still 177.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.21 ms. Allocated memory is still 196.1 MB. Free memory was 176.2 MB in the beginning and 174.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.65 ms. Allocated memory is still 196.1 MB. Free memory was 174.7 MB in the beginning and 173.9 MB in the end (delta: 869.7 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.38 ms. Allocated memory is still 196.1 MB. Free memory was 173.7 MB in the beginning and 162.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 839533.57 ms. Allocated memory was 196.1 MB in the beginning and 706.7 MB in the end (delta: 510.7 MB). Free memory was 161.7 MB in the beginning and 139.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 615.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6917, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 1040, negative conditional: 1040, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5416, positive unconditional: 461, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5051, positive unconditional: 826, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5051, positive unconditional: 826, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 312, positive conditional: 0, positive unconditional: 312, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5877, positive: 5565, positive conditional: 5051, positive unconditional: 514, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 312, Positive conditional cache size: 0, Positive unconditional cache size: 312, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 365, Maximal queried relation: 0, Independence queries for same thread: 1040 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 68, Number of persistent set computation: 39, Number of trivial persistent sets: 17, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6917, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 1040, negative conditional: 1040, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5518, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5416, positive unconditional: 461, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5051, positive unconditional: 826, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5877, positive: 5877, positive conditional: 5051, positive unconditional: 826, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 312, positive: 312, positive conditional: 0, positive unconditional: 312, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 312, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5877, positive: 5565, positive conditional: 5051, positive unconditional: 514, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 312, unknown conditional: 0, unknown unconditional: 312] , Statistics on independence cache: Total cache size (in pairs): 312, Positive cache size: 312, Positive conditional cache size: 0, Positive unconditional cache size: 312, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 365, Maximal queried relation: 0, Independence queries for same thread: 1040 - 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-140-2-2-4-2-6-4-6-3-6-3-8-9-5-3-3-3-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 53]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-140-2-2-4-2-6-4-6-3-6-3-8-9-5-3-3-3-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-140-2-2-4-2-6-4-6-3-6-3-8-9-5-3-3-3-3-3-3-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-140-2-2-4-2-6-4-6-3-6-3-8-9-5-3-3-3-3-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839450.6ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 82928.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1026, 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: 118.3ms SsaConstructionTime, 582.8ms SatisfiabilityAnalysisTime, 155188.6ms InterpolantComputationTime, 2967 NumberOfCodeBlocks, 2967 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 2928 ConstructedInterpolants, 223 QuantifiedInterpolants, 83863 SizeOfPredicates, 92 NumberOfNonLiveVariables, 2759 ConjunctsInSsa, 936 ConjunctsInUnsatCore, 39 InterpolantComputations, 1 PerfectInterpolantSequences, 2148/11171 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