/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 02:59:36,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 02:59:36,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 02:59:36,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 02:59:36,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 02:59:36,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 02:59:36,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 02:59:36,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 02:59:36,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 02:59:36,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 02:59:36,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 02:59:36,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 02:59:36,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 02:59:36,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 02:59:36,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 02:59:36,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 02:59:36,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 02:59:37,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 02:59:37,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 02:59:37,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 02:59:37,007 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.epf [2022-01-29 02:59:37,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 02:59:37,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 02:59:37,031 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 02:59:37,031 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 02:59:37,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 02:59:37,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 02:59:37,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 02:59:37,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 02:59:37,032 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 02:59:37,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 02:59:37,033 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 02:59:37,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:59:37,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 02:59:37,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-29 02:59:37,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 02:59:37,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 02:59:37,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 02:59:37,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 02:59:37,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 02:59:37,221 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 02:59:37,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2022-01-29 02:59:37,222 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2022-01-29 02:59:37,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 02:59:37,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 02:59:37,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 02:59:37,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 02:59:37,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 02:59:37,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,263 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 02:59:37,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 02:59:37,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 02:59:37,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 02:59:37,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 02:59:37,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 02:59:37,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 02:59:37,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 02:59:37,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 02:59:37,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/1) ... [2022-01-29 02:59:37,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 02:59:37,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:37,296 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) [2022-01-29 02:59:37,314 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 [2022-01-29 02:59:37,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-29 02:59:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-29 02:59:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-29 02:59:37,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-29 02:59:37,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-29 02:59:37,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-29 02:59:37,344 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 02:59:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 02:59:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 02:59:37,345 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-01-29 02:59:37,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-29 02:59:37,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-29 02:59:37,345 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 02:59:37,392 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 02:59:37,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 02:59:37,507 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 02:59:37,515 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 02:59:37,516 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 02:59:37,517 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:59:37 BoogieIcfgContainer [2022-01-29 02:59:37,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 02:59:37,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 02:59:37,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 02:59:37,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 02:59:37,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 02:59:37" (1/2) ... [2022-01-29 02:59:37,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35f42984 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:59:37, skipping insertion in model container [2022-01-29 02:59:37,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:59:37" (2/2) ... [2022-01-29 02:59:37,536 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2022-01-29 02:59:37,540 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 02:59:37,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 02:59:37,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 02:59:37,540 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 02:59:37,580 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 02:59:37,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 02:59:37,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:37,674 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) [2022-01-29 02:59:37,675 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 [2022-01-29 02:59:37,715 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-29 02:59:37,732 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, mAutomataTypeConcurrency=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 [2022-01-29 02:59:37,732 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-29 02:59:37,808 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash -234537446, now seen corresponding path program 1 times [2022-01-29 02:59:37,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:37,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074402205] [2022-01-29 02:59:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:37,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:37,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:37,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074402205] [2022-01-29 02:59:37,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074402205] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 02:59:37,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 02:59:37,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 02:59:37,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202224307] [2022-01-29 02:59:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 02:59:37,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 02:59:37,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:38,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 02:59:38,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-29 02:59:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:38,013 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:38,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2022-01-29 02:59:38,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:38,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 02:59:38,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873864, now seen corresponding path program 1 times [2022-01-29 02:59:38,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:38,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172614725] [2022-01-29 02:59:38,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:38,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:38,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:38,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172614725] [2022-01-29 02:59:38,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172614725] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 02:59:38,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 02:59:38,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-29 02:59:38,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461997630] [2022-01-29 02:59:38,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 02:59:38,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-29 02:59:38,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:38,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-29 02:59:38,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-29 02:59:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:38,152 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:38,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-01-29 02:59:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:38,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:38,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 02:59:38,206 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:38,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash 196648534, now seen corresponding path program 1 times [2022-01-29 02:59:38,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:38,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808163574] [2022-01-29 02:59:38,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:38,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:38,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:38,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808163574] [2022-01-29 02:59:38,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808163574] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:38,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503328510] [2022-01-29 02:59:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:38,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:38,467 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) [2022-01-29 02:59:38,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-29 02:59:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:38,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-01-29 02:59:38,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:38,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:38,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-01-29 02:59:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:38,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:38,899 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 02:59:38,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-01-29 02:59:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:38,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503328510] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:38,991 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:38,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-01-29 02:59:38,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700852007] [2022-01-29 02:59:38,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:38,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-01-29 02:59:38,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-01-29 02:59:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-01-29 02:59:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:38,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:38,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 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) [2022-01-29 02:59:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:38,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:39,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:39,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:39,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:39,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:39,378 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,SelfDestructingSolverStorable2 [2022-01-29 02:59:39,379 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1778530228, now seen corresponding path program 2 times [2022-01-29 02:59:39,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:39,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88250005] [2022-01-29 02:59:39,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:39,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:39,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:39,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88250005] [2022-01-29 02:59:39,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88250005] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:39,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106781067] [2022-01-29 02:59:39,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:59:39,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:39,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:39,430 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) [2022-01-29 02:59:39,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-29 02:59:39,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:59:39,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:39,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-29 02:59:39,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:39,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:39,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106781067] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:39,671 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:39,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-01-29 02:59:39,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231691316] [2022-01-29 02:59:39,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:39,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-29 02:59:39,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:39,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-29 02:59:39,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-01-29 02:59:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:39,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:39,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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) [2022-01-29 02:59:39,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:39,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:39,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:39,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:39,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:39,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:40,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:40,087 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:40,088 INFO L85 PathProgramCache]: Analyzing trace with hash -485803280, now seen corresponding path program 1 times [2022-01-29 02:59:40,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:40,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465246302] [2022-01-29 02:59:40,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:40,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:40,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:40,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465246302] [2022-01-29 02:59:40,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465246302] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165537002] [2022-01-29 02:59:40,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:40,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:40,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:40,158 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) [2022-01-29 02:59:40,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-29 02:59:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:40,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-29 02:59:40,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:40,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:40,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165537002] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:40,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:40,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-01-29 02:59:40,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233212711] [2022-01-29 02:59:40,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:40,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-29 02:59:40,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:40,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-29 02:59:40,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-01-29 02:59:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:40,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:40,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 02:59:40,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:40,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:40,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:40,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:40,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:40,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-29 02:59:40,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:40,672 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:40,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:40,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1400384050, now seen corresponding path program 2 times [2022-01-29 02:59:40,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:40,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977817225] [2022-01-29 02:59:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:40,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:41,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:41,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977817225] [2022-01-29 02:59:41,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977817225] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:41,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124054830] [2022-01-29 02:59:41,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 02:59:41,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:41,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:41,038 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) [2022-01-29 02:59:41,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-29 02:59:41,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 02:59:41,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2022-01-29 02:59:41,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:41,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:41,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:41,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:41,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-01-29 02:59:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:41,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:41,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:41,938 INFO L354 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-01-29 02:59:41,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 31 treesize of output 116 [2022-01-29 02:59:42,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:42,766 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 02:59:42,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 73 [2022-01-29 02:59:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:43,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124054830] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:43,037 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:43,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2022-01-29 02:59:43,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815936260] [2022-01-29 02:59:43,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:43,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-01-29 02:59:43,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:43,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-01-29 02:59:43,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2022-01-29 02:59:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:43,039 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:43,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 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) [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:43,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:44,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:44,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:44,322 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:44,322 INFO L85 PathProgramCache]: Analyzing trace with hash 155791660, now seen corresponding path program 3 times [2022-01-29 02:59:44,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:44,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156164807] [2022-01-29 02:59:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:44,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:44,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:44,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156164807] [2022-01-29 02:59:44,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156164807] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:44,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141261228] [2022-01-29 02:59:44,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 02:59:44,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:44,392 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) [2022-01-29 02:59:44,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-29 02:59:44,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-01-29 02:59:44,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:44,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-29 02:59:44,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:44,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:44,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141261228] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:44,773 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:44,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-01-29 02:59:44,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789121993] [2022-01-29 02:59:44,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:44,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-29 02:59:44,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:44,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-29 02:59:44,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-01-29 02:59:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:44,775 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:44,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 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) [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:44,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:59:45,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:45,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:45,488 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:45,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash 717797480, now seen corresponding path program 4 times [2022-01-29 02:59:45,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:45,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862706470] [2022-01-29 02:59:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:45,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:45,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:45,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862706470] [2022-01-29 02:59:45,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862706470] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:45,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338291491] [2022-01-29 02:59:45,560 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 02:59:45,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:45,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:45,561 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) [2022-01-29 02:59:45,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-29 02:59:45,587 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 02:59:45,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:45,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-29 02:59:45,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:45,707 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:45,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-29 02:59:45,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338291491] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 02:59:45,834 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 02:59:45,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-01-29 02:59:45,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529588786] [2022-01-29 02:59:45,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 02:59:45,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-01-29 02:59:45,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 02:59:45,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-01-29 02:59:45,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-01-29 02:59:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:45,835 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 02:59:45,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 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) [2022-01-29 02:59:45,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:45,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:59:45,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 02:59:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 02:59:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 02:59:46,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-29 02:59:46,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:46,214 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 02:59:46,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 02:59:46,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237766, now seen corresponding path program 5 times [2022-01-29 02:59:46,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 02:59:46,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330186166] [2022-01-29 02:59:46,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 02:59:46,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 02:59:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 02:59:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:46,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 02:59:46,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330186166] [2022-01-29 02:59:46,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330186166] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 02:59:46,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486425749] [2022-01-29 02:59:46,629 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-29 02:59:46,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 02:59:46,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 02:59:46,630 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) [2022-01-29 02:59:46,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-29 02:59:46,660 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-01-29 02:59:46,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 02:59:46,661 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2022-01-29 02:59:46,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 02:59:47,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:47,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 02:59:47,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2022-01-29 02:59:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 02:59:47,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 02:59:48,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 02:59:48,591 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 02:59:48,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 98 treesize of output 371 [2022-01-29 03:02:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:02:28,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486425749] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:02:28,381 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:02:28,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 45 [2022-01-29 03:02:28,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412987973] [2022-01-29 03:02:28,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:02:28,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-01-29 03:02:28,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:02:28,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-01-29 03:02:28,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1781, Unknown=0, NotChecked=0, Total=1980 [2022-01-29 03:02:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:02:28,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:02:28,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.1555555555555554) internal successors, (97), 45 states have internal predecessors, (97), 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) [2022-01-29 03:02:28,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:02:28,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:02:28,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:02:28,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:02:30,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:02:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:02:30,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-29 03:02:30,291 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,SelfDestructingSolverStorable8 [2022-01-29 03:02:30,291 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:02:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:02:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1662599294, now seen corresponding path program 6 times [2022-01-29 03:02:30,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:02:30,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320861144] [2022-01-29 03:02:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:02:30,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:02:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:02:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:02:30,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:02:30,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320861144] [2022-01-29 03:02:30,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320861144] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:02:30,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036477751] [2022-01-29 03:02:30,843 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-29 03:02:30,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:02:30,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:02:30,844 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) [2022-01-29 03:02:30,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-29 03:02:30,878 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-01-29 03:02:30,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 03:02:30,879 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 60 conjunts are in the unsatisfiable core [2022-01-29 03:02:30,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:02:32,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:32,169 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-29 03:02:32,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 52 treesize of output 246 [2022-01-29 03:02:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:02:37,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:02:40,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:02:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:40,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:02:40,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:02:40,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:02:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:02:41,048 INFO L354 Elim1Store]: treesize reduction 100, result has 77.1 percent of original size [2022-01-29 03:02:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 56 case distinctions, treesize of input 113 treesize of output 366 [2022-01-29 03:08:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:13,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036477751] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:08:13,153 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:08:13,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 55 [2022-01-29 03:08:13,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603618953] [2022-01-29 03:08:13,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:08:13,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-01-29 03:08:13,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:08:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-01-29 03:08:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2776, Unknown=0, NotChecked=0, Total=2970 [2022-01-29 03:08:13,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:13,155 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:08:13,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.9636363636363636) internal successors, (108), 55 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:13,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:16,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-29 03:08:16,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-29 03:08:16,405 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:08:16,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:08:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2079005886, now seen corresponding path program 7 times [2022-01-29 03:08:16,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:08:16,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687514495] [2022-01-29 03:08:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:08:16,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:08:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:08:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:16,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:08:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687514495] [2022-01-29 03:08:16,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687514495] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:08:16,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142660000] [2022-01-29 03:08:16,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-01-29 03:08:16,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:08:16,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:08:16,553 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) [2022-01-29 03:08:16,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-29 03:08:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:08:16,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-01-29 03:08:16,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:08:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:16,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:08:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:17,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142660000] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:08:17,307 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:08:17,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-01-29 03:08:17,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772689539] [2022-01-29 03:08:17,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:08:17,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-29 03:08:17,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:08:17,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-29 03:08:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-01-29 03:08:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:17,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:08:17,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 48 states have internal predecessors, (114), 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) [2022-01-29 03:08:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:17,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:18,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:18,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 03:08:18,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-29 03:08:18,770 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,SelfDestructingSolverStorable10 [2022-01-29 03:08:18,770 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:08:18,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:08:18,771 INFO L85 PathProgramCache]: Analyzing trace with hash -713231340, now seen corresponding path program 8 times [2022-01-29 03:08:18,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:08:18,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691542970] [2022-01-29 03:08:18,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:08:18,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:08:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:08:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:18,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:08:18,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691542970] [2022-01-29 03:08:18,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691542970] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:08:18,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115245674] [2022-01-29 03:08:18,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-29 03:08:18,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:08:18,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:08:18,982 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) [2022-01-29 03:08:18,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-29 03:08:19,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-29 03:08:19,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 03:08:19,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjunts are in the unsatisfiable core [2022-01-29 03:08:19,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:08:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 03:08:19,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:08:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-29 03:08:19,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115245674] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:08:19,680 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:08:19,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-01-29 03:08:19,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986161159] [2022-01-29 03:08:19,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:08:19,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-01-29 03:08:19,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:08:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-01-29 03:08:19,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-01-29 03:08:19,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:19,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:08:19,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 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) [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 03:08:19,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 03:08:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 03:08:20,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-29 03:08:20,596 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,SelfDestructingSolverStorable11 [2022-01-29 03:08:20,596 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:08:20,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:08:20,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1346980366, now seen corresponding path program 9 times [2022-01-29 03:08:20,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:08:20,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503902442] [2022-01-29 03:08:20,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:08:20,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:08:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:08:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:20,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:08:20,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503902442] [2022-01-29 03:08:20,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503902442] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:08:20,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932799875] [2022-01-29 03:08:20,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-29 03:08:20,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:08:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:08:20,811 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) [2022-01-29 03:08:20,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-29 03:08:20,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-01-29 03:08:20,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 03:08:20,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 23 conjunts are in the unsatisfiable core [2022-01-29 03:08:20,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:08:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:21,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:08:21,917 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 85 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:21,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932799875] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-29 03:08:21,917 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-29 03:08:21,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-01-29 03:08:21,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997511572] [2022-01-29 03:08:21,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-29 03:08:21,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-01-29 03:08:21,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 03:08:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-01-29 03:08:21,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=752, Invalid=3408, Unknown=0, NotChecked=0, Total=4160 [2022-01-29 03:08:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:21,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 03:08:21,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.276923076923077) internal successors, (148), 65 states have internal predecessors, (148), 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) [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-01-29 03:08:21,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 03:08:22,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-29 03:08:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-29 03:08:22,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-01-29 03:08:22,842 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,SelfDestructingSolverStorable12 [2022-01-29 03:08:22,842 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-29 03:08:22,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 03:08:22,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1540285650, now seen corresponding path program 10 times [2022-01-29 03:08:22,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 03:08:22,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192725591] [2022-01-29 03:08:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 03:08:22,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 03:08:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 03:08:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:23,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 03:08:23,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192725591] [2022-01-29 03:08:23,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192725591] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-29 03:08:23,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247984623] [2022-01-29 03:08:23,964 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-29 03:08:23,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-29 03:08:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 03:08:23,965 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) [2022-01-29 03:08:23,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-29 03:08:24,001 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-29 03:08:24,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-29 03:08:24,002 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2022-01-29 03:08:24,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-29 03:08:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:26,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-29 03:08:26,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 46 [2022-01-29 03:08:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 03:08:26,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-29 03:08:28,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-29 03:08:32,535 INFO L354 Elim1Store]: treesize reduction 866, result has 61.2 percent of original size [2022-01-29 03:08:32,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 36 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 195 case distinctions, treesize of input 110 treesize of output 1393 Received shutdown request... [2022-01-29 03:14:03,644 WARN L243 SmtUtils]: Removed 2 from assertion stack [2022-01-29 03:14:03,646 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-01-29 03:14:03,666 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 [2022-01-29 03:14:03,666 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 03:14:03,666 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 [2022-01-29 03:14:03,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-01-29 03:14:03,846 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,SelfDestructingSolverStorable13 [2022-01-29 03:14:03,847 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. [2022-01-29 03:14:03,848 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-29 03:14:03,848 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-29 03:14:03,848 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-29 03:14:03,852 INFO L732 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-01-29 03:14:03,853 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 03:14:03,853 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 03:14:03,856 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 03:14:03 BasicIcfg [2022-01-29 03:14:03,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 03:14:03,856 INFO L158 Benchmark]: Toolchain (without parser) took 866612.79ms. Allocated memory was 172.0MB in the beginning and 792.7MB in the end (delta: 620.8MB). Free memory was 132.0MB in the beginning and 722.1MB in the end (delta: -590.2MB). Peak memory consumption was 496.2MB. Max. memory is 8.0GB. [2022-01-29 03:14:03,857 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 03:14:03,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.55ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 03:14:03,857 INFO L158 Benchmark]: Boogie Preprocessor took 10.76ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 03:14:03,857 INFO L158 Benchmark]: RCFGBuilder took 240.77ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 120.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-29 03:14:03,857 INFO L158 Benchmark]: TraceAbstraction took 866338.03ms. Allocated memory was 172.0MB in the beginning and 792.7MB in the end (delta: 620.8MB). Free memory was 119.6MB in the beginning and 722.1MB in the end (delta: -602.5MB). Peak memory consumption was 482.5MB. Max. memory is 8.0GB. [2022-01-29 03:14:03,858 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 0.09ms. Allocated memory is still 172.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.55ms. Allocated memory is still 172.0MB. Free memory was 131.9MB in the beginning and 130.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.76ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 240.77ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 120.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 866338.03ms. Allocated memory was 172.0MB in the beginning and 792.7MB in the end (delta: 620.8MB). Free memory was 119.6MB in the beginning and 722.1MB in the end (delta: -602.5MB). Peak memory consumption was 482.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3685, positive: 2997, positive conditional: 2780, positive unconditional: 217, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2997, positive: 2997, positive conditional: 2780, positive unconditional: 217, 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: 2997, positive: 2997, positive conditional: 2780, positive unconditional: 217, 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: 2997, positive: 2997, positive conditional: 2720, positive unconditional: 277, 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: 2997, positive: 2997, positive conditional: 2647, positive unconditional: 350, 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: 2997, positive: 2997, positive conditional: 2647, positive unconditional: 350, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2997, positive: 2784, positive conditional: 2647, positive unconditional: 137, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 73, Maximal queried relation: 0, Independence queries for same thread: 688 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 21, Number of trivial persistent sets: 10, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 217, positive: 217, positive conditional: 0, positive unconditional: 217, 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: 3685, positive: 2997, positive conditional: 2780, positive unconditional: 217, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2997, positive: 2997, positive conditional: 2780, positive unconditional: 217, 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: 2997, positive: 2997, positive conditional: 2780, positive unconditional: 217, 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: 2997, positive: 2997, positive conditional: 2720, positive unconditional: 277, 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: 2997, positive: 2997, positive conditional: 2647, positive unconditional: 350, 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: 2997, positive: 2997, positive conditional: 2647, positive unconditional: 350, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, 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: 213, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2997, positive: 2784, positive conditional: 2647, positive unconditional: 137, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 73, Maximal queried relation: 0, Independence queries for same thread: 688 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 60]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 349, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 512.2s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1239 ConstructedInterpolants, 55 QuantifiedInterpolants, 18020 SizeOfPredicates, 106 NumberOfNonLiveVariables, 1063 ConjunctsInSsa, 258 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 686/1744 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