/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 06:24:36,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 06:24:36,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 06:24:36,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 06:24:36,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 06:24:36,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 06:24:36,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 06:24:36,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 06:24:36,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 06:24:36,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 06:24:36,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 06:24:36,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 06:24:36,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 06:24:36,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 06:24:36,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 06:24:36,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 06:24:36,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 06:24:36,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 06:24:36,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 06:24:37,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 06:24:37,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 06:24:37,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 06:24:37,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 06:24:37,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 06:24:37,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 06:24:37,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 06:24:37,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 06:24:37,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 06:24:37,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 06:24:37,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 06:24:37,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 06:24:37,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 06:24:37,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 06:24:37,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 06:24:37,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 06:24:37,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 06:24:37,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 06:24:37,076 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 06:24:37,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 06:24:37,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 06:24:37,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 06:24:37,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 06:24:37,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 06:24:37,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 06:24:37,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 06:24:37,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 06:24:37,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 06:24:37,080 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 06:24:37,080 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 06:24:37,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 06:24:37,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 06:24:37,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 06:24:37,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 06:24:37,294 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 06:24:37,295 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 06:24:37,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2022-02-11 06:24:37,296 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2022-02-11 06:24:37,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 06:24:37,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 06:24:37,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 06:24:37,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 06:24:37,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 06:24:37,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,334 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 06:24:37,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 06:24:37,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 06:24:37,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 06:24:37,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 06:24:37,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 06:24:37,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 06:24:37,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 06:24:37,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 06:24:37,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/1) ... [2022-02-11 06:24:37,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 06:24:37,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:37,390 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) [2022-02-11 06:24:37,393 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 [2022-02-11 06:24:37,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-11 06:24:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 06:24:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 06:24:37,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-11 06:24:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 06:24:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 06:24:37,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 06:24:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 06:24:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 06:24:37,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-11 06:24:37,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 06:24:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 06:24:37,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-11 06:24:37,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-11 06:24:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-11 06:24:37,447 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 06:24:37,483 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 06:24:37,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 06:24:37,575 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 06:24:37,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 06:24:37,586 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 06:24:37,590 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 06:24:37 BoogieIcfgContainer [2022-02-11 06:24:37,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 06:24:37,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 06:24:37,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 06:24:37,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 06:24:37,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:24:37" (1/2) ... [2022-02-11 06:24:37,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661610d7 and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 06:24:37, skipping insertion in model container [2022-02-11 06:24:37,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 06:24:37" (2/2) ... [2022-02-11 06:24:37,599 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2022-02-11 06:24:37,602 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 06:24:37,602 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 06:24:37,602 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 06:24:37,602 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 06:24:37,636 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-11 06:24:37,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 06:24:37,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:37,671 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) [2022-02-11 06:24:37,676 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 [2022-02-11 06:24:37,718 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 06:24:37,728 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 [2022-02-11 06:24:37,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-11 06:24:38,040 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:38,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:38,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1989086255, now seen corresponding path program 1 times [2022-02-11 06:24:38,052 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:38,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813254453] [2022-02-11 06:24:38,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:38,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:38,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813254453] [2022-02-11 06:24:38,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813254453] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:38,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918683772] [2022-02-11 06:24:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:38,260 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) [2022-02-11 06:24:38,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 06:24:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:38,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-11 06:24:38,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:38,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:38,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918683772] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:38,544 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:38,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-02-11 06:24:38,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35352141] [2022-02-11 06:24:38,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:38,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 06:24:38,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:38,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 06:24:38,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-02-11 06:24:38,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:38,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:38,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:24:38,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:38,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:38,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:38,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-11 06:24:38,956 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:38,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash -372360627, now seen corresponding path program 2 times [2022-02-11 06:24:38,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:38,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86417558] [2022-02-11 06:24:38,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:38,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:39,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:39,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86417558] [2022-02-11 06:24:39,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86417558] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:39,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253252275] [2022-02-11 06:24:39,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:24:39,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:39,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:39,041 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) [2022-02-11 06:24:39,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 06:24:39,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:24:39,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:39,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-11 06:24:39,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:39,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:39,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253252275] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:39,261 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:39,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-11 06:24:39,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919371493] [2022-02-11 06:24:39,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:39,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 06:24:39,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 06:24:39,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-11 06:24:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:39,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:39,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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) [2022-02-11 06:24:39,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:39,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:39,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:39,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:39,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:39,573 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:39,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:39,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1281107989, now seen corresponding path program 3 times [2022-02-11 06:24:39,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:39,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031380175] [2022-02-11 06:24:39,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:39,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 06:24:39,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:39,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031380175] [2022-02-11 06:24:39,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031380175] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:39,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348335494] [2022-02-11 06:24:39,637 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 06:24:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:39,638 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) [2022-02-11 06:24:39,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 06:24:39,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-11 06:24:39,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:39,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 06:24:39,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 06:24:39,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 06:24:39,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348335494] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:39,819 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:39,820 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2022-02-11 06:24:39,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95478409] [2022-02-11 06:24:39,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:39,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 06:24:39,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:39,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 06:24:39,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-02-11 06:24:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:39,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:39,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 11 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) [2022-02-11 06:24:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:39,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-11 06:24:40,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:40,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:40,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:40,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:40,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1347560317, now seen corresponding path program 4 times [2022-02-11 06:24:40,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:40,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034611048] [2022-02-11 06:24:40,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:40,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 06:24:40,327 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:40,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034611048] [2022-02-11 06:24:40,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034611048] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:40,327 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572038486] [2022-02-11 06:24:40,327 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 06:24:40,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:40,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:40,340 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) [2022-02-11 06:24:40,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 06:24:40,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 06:24:40,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:40,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 06:24:40,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 06:24:40,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-11 06:24:40,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572038486] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:40,548 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:40,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-02-11 06:24:40,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202595175] [2022-02-11 06:24:40,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:40,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 06:24:40,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 06:24:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-11 06:24:40,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:40,549 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:40,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:24:40,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:40,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:40,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-11 06:24:40,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-11 06:24:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:40,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:40,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:40,905 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash -972503639, now seen corresponding path program 5 times [2022-02-11 06:24:40,906 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:40,906 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200759945] [2022-02-11 06:24:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 33 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-11 06:24:41,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:41,022 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200759945] [2022-02-11 06:24:41,022 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200759945] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:41,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518693109] [2022-02-11 06:24:41,023 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 06:24:41,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:41,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:41,024 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) [2022-02-11 06:24:41,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 06:24:41,076 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-02-11 06:24:41,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:41,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-11 06:24:41,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 06:24:41,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 06:24:41,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518693109] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:41,290 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:41,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2022-02-11 06:24:41,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641687048] [2022-02-11 06:24:41,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:41,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-11 06:24:41,291 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:41,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-11 06:24:41,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-02-11 06:24:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:41,292 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:41,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 18 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:24:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-11 06:24:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:41,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-11 06:24:41,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:41,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:41,899 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:41,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:41,899 INFO L85 PathProgramCache]: Analyzing trace with hash 346198217, now seen corresponding path program 6 times [2022-02-11 06:24:41,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:41,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156796999] [2022-02-11 06:24:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 45 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:42,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:42,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156796999] [2022-02-11 06:24:42,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156796999] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:42,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452991520] [2022-02-11 06:24:42,177 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 06:24:42,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:42,179 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) [2022-02-11 06:24:42,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 06:24:42,236 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-11 06:24:42,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:42,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-11 06:24:42,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:42,555 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-11 06:24:42,556 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-11 06:24:42,654 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-11 06:24:42,654 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-02-11 06:24:42,732 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-11 06:24:42,732 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-02-11 06:24:42,874 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:24:42,875 INFO L387 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 28 treesize of output 28 [2022-02-11 06:24:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-02-11 06:24:43,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:45,563 WARN L838 $PredicateComparison]: unable to prove that (forall ((j Int) (k Int) (v_k_36 Int) (v_ArrVal_42 Int) (v_k_35 Int) (v_ArrVal_43 Int) (v_ArrVal_41 Int)) (or (not (<= (+ k 1) v_k_36)) (<= c_N (+ v_k_35 1)) (not (<= (+ v_k_36 1) v_k_35)) (< (+ j 1) c_N) (not (< j c_N)) (<= c_min (+ (select (store (store (store c_A k v_ArrVal_41) v_k_36 v_ArrVal_42) v_k_35 v_ArrVal_43) j) 1)))) is different from false [2022-02-11 06:24:47,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:24:47,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:24:47,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:24:47,615 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-11 06:24:47,615 INFO L387 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 32 treesize of output 27 [2022-02-11 06:24:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 37 trivial. 42 not checked. [2022-02-11 06:24:47,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452991520] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:47,643 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:47,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 12, 15] total 43 [2022-02-11 06:24:47,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485769971] [2022-02-11 06:24:47,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:47,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-11 06:24:47,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:47,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-11 06:24:47,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1536, Unknown=2, NotChecked=80, Total=1806 [2022-02-11 06:24:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:47,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:47,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.0) internal successors, (129), 43 states have internal predecessors, (129), 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) [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-11 06:24:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-11 06:24:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:48,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:48,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:48,595 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:48,596 INFO L85 PathProgramCache]: Analyzing trace with hash -407931801, now seen corresponding path program 7 times [2022-02-11 06:24:48,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:48,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034003205] [2022-02-11 06:24:48,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:48,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 45 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:48,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:48,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034003205] [2022-02-11 06:24:48,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034003205] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:48,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953012785] [2022-02-11 06:24:48,929 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 06:24:48,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:48,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:48,944 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) [2022-02-11 06:24:48,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 06:24:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:49,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 06:24:49,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 28 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-11 06:24:49,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 28 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-11 06:24:49,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953012785] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:49,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:49,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 34 [2022-02-11 06:24:49,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468068873] [2022-02-11 06:24:49,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:49,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-11 06:24:49,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:49,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-11 06:24:49,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1041, Unknown=0, NotChecked=0, Total=1190 [2022-02-11 06:24:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:49,510 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:49,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.0) internal successors, (105), 34 states have internal predecessors, (105), 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) [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:49,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:49,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:49,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:50,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-11 06:24:50,091 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:50,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:50,092 INFO L85 PathProgramCache]: Analyzing trace with hash 375267113, now seen corresponding path program 8 times [2022-02-11 06:24:50,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:50,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918236367] [2022-02-11 06:24:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:50,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 86 proven. 165 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-11 06:24:50,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:50,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918236367] [2022-02-11 06:24:50,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918236367] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:50,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990383488] [2022-02-11 06:24:50,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:24:50,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:50,327 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) [2022-02-11 06:24:50,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 06:24:50,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:24:50,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:50,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 06:24:50,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 147 proven. 108 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-11 06:24:50,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 147 proven. 108 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-11 06:24:50,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990383488] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:50,784 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:50,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 31 [2022-02-11 06:24:50,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387431085] [2022-02-11 06:24:50,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:50,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-11 06:24:50,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:50,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-11 06:24:50,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2022-02-11 06:24:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:50,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:50,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.75) internal successors, (120), 31 states have internal predecessors, (120), 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) [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:50,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:51,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:51,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:51,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:51,425 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash 92490183, now seen corresponding path program 9 times [2022-02-11 06:24:51,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:51,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808148880] [2022-02-11 06:24:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:51,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 86 proven. 182 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-11 06:24:51,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:51,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808148880] [2022-02-11 06:24:51,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808148880] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:51,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271419944] [2022-02-11 06:24:51,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 06:24:51,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:51,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:51,660 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) [2022-02-11 06:24:51,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 06:24:51,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-11 06:24:51,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:51,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 06:24:51,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 135 proven. 143 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-11 06:24:52,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 122 proven. 162 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-11 06:24:52,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271419944] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:52,221 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:52,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 18] total 39 [2022-02-11 06:24:52,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122377257] [2022-02-11 06:24:52,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:52,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-11 06:24:52,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:52,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-11 06:24:52,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1338, Unknown=0, NotChecked=0, Total=1560 [2022-02-11 06:24:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:52,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:52,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.95) internal successors, (158), 39 states have internal predecessors, (158), 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) [2022-02-11 06:24:52,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:52,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:52,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 06:24:52,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:52,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-11 06:24:52,984 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:52,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:52,984 INFO L85 PathProgramCache]: Analyzing trace with hash -314904445, now seen corresponding path program 10 times [2022-02-11 06:24:52,984 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:52,984 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624824885] [2022-02-11 06:24:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:52,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 64 proven. 244 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-11 06:24:53,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:53,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624824885] [2022-02-11 06:24:53,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624824885] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:53,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627143557] [2022-02-11 06:24:53,214 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 06:24:53,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:53,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:53,215 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) [2022-02-11 06:24:53,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-11 06:24:53,308 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 06:24:53,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:53,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-11 06:24:53,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 98 proven. 208 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 06:24:53,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 98 proven. 208 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 06:24:53,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627143557] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:53,623 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:53,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 20] total 30 [2022-02-11 06:24:53,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178557049] [2022-02-11 06:24:53,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:53,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-11 06:24:53,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:53,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-11 06:24:53,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=699, Unknown=0, NotChecked=0, Total=930 [2022-02-11 06:24:53,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:53,626 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:53,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.2903225806451615) internal successors, (102), 30 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:24:53,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:53,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:53,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-11 06:24:53,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:54,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:54,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:54,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:54,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 06:24:54,491 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1294845571, now seen corresponding path program 11 times [2022-02-11 06:24:54,491 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:54,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3479835] [2022-02-11 06:24:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 133 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:54,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:54,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3479835] [2022-02-11 06:24:54,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3479835] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:54,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783531457] [2022-02-11 06:24:54,829 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 06:24:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:54,836 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) [2022-02-11 06:24:54,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 06:24:55,081 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-02-11 06:24:55,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:55,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-11 06:24:55,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:24:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 192 proven. 113 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-11 06:24:55,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:24:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 85 proven. 242 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 06:24:56,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783531457] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:24:56,385 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:24:56,385 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 18, 35] total 67 [2022-02-11 06:24:56,385 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094796018] [2022-02-11 06:24:56,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:24:56,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-11 06:24:56,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:24:56,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-11 06:24:56,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=959, Invalid=3597, Unknown=0, NotChecked=0, Total=4556 [2022-02-11 06:24:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:56,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:24:56,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.735294117647059) internal successors, (186), 67 states have internal predecessors, (186), 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) [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:56,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:24:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:24:58,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-11 06:24:59,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-11 06:24:59,176 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:24:59,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:24:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1296644071, now seen corresponding path program 12 times [2022-02-11 06:24:59,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:24:59,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581607312] [2022-02-11 06:24:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:24:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:24:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:24:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 185 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:24:59,603 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:24:59,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581607312] [2022-02-11 06:24:59,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581607312] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:24:59,603 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371900979] [2022-02-11 06:24:59,603 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 06:24:59,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:24:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:24:59,605 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) [2022-02-11 06:24:59,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-11 06:24:59,706 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-02-11 06:24:59,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:24:59,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 06:24:59,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:25:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 133 proven. 153 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-02-11 06:25:00,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:25:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 133 proven. 153 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-02-11 06:25:00,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371900979] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:25:00,554 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:25:00,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 24, 24] total 57 [2022-02-11 06:25:00,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314313273] [2022-02-11 06:25:00,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:25:00,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-02-11 06:25:00,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:25:00,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-02-11 06:25:00,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=2829, Unknown=0, NotChecked=0, Total=3306 [2022-02-11 06:25:00,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:00,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:25:00,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.9655172413793105) internal successors, (172), 57 states have internal predecessors, (172), 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) [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:25:00,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:25:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 06:25:01,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-11 06:25:01,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-11 06:25:01,783 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:25:01,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:25:01,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2036335409, now seen corresponding path program 13 times [2022-02-11 06:25:01,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:25:01,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967483316] [2022-02-11 06:25:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:25:01,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:25:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:25:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 267 proven. 227 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-02-11 06:25:01,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:25:01,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967483316] [2022-02-11 06:25:01,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967483316] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:25:01,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658878121] [2022-02-11 06:25:01,967 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 06:25:01,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:25:01,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:25:01,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 06:25:01,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-11 06:25:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:25:02,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-11 06:25:02,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:25:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 270 proven. 224 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-02-11 06:25:02,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:25:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 270 proven. 224 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-02-11 06:25:02,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658878121] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:25:02,450 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:25:02,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 27 [2022-02-11 06:25:02,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928087075] [2022-02-11 06:25:02,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:25:02,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-11 06:25:02,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:25:02,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-11 06:25:02,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=503, Unknown=0, NotChecked=0, Total=756 [2022-02-11 06:25:02,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:02,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:25:02,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.642857142857143) internal successors, (130), 27 states have internal predecessors, (130), 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) [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 06:25:02,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 06:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 06:25:02,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-11 06:25:03,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:25:03,081 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:25:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:25:03,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1566073067, now seen corresponding path program 14 times [2022-02-11 06:25:03,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:25:03,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112074519] [2022-02-11 06:25:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:25:03,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:25:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:25:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 150 proven. 796 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-02-11 06:25:03,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:25:03,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112074519] [2022-02-11 06:25:03,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112074519] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:25:03,475 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822572810] [2022-02-11 06:25:03,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:25:03,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:25:03,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:25:03,476 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 06:25:03,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-11 06:25:03,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:25:03,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:25:03,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-11 06:25:03,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:25:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 726 proven. 363 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-02-11 06:25:04,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:25:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 726 proven. 363 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-02-11 06:25:04,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822572810] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:25:04,322 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:25:04,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 21, 21] total 50 [2022-02-11 06:25:04,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525609206] [2022-02-11 06:25:04,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:25:04,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-11 06:25:04,322 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:25:04,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-11 06:25:04,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=2159, Unknown=0, NotChecked=0, Total=2550 [2022-02-11 06:25:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:04,323 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:25:04,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.4313725490196076) internal successors, (175), 50 states have internal predecessors, (175), 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) [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-11 06:25:04,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:25:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 06:25:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 06:25:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 06:25:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-02-11 06:25:07,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-11 06:25:07,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:25:07,409 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-11 06:25:07,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:25:07,409 INFO L85 PathProgramCache]: Analyzing trace with hash -574501593, now seen corresponding path program 15 times [2022-02-11 06:25:07,409 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:25:07,409 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326433166] [2022-02-11 06:25:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:25:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:25:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:25:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 547 proven. 825 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 06:25:08,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:25:08,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326433166] [2022-02-11 06:25:08,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326433166] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:25:08,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41917678] [2022-02-11 06:25:08,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 06:25:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:25:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:25:08,340 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 06:25:08,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-11 06:25:08,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-11 06:25:08,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:25:08,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 95 conjunts are in the unsatisfiable core [2022-02-11 06:25:08,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-11 06:39:09,946 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 06:39:09,948 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-11 06:39:09,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-02-11 06:39:09,967 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 [2022-02-11 06:39:09,968 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 [2022-02-11 06:39:09,968 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 06:39:10,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-11 06:39:10,160 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. [2022-02-11 06:39:10,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-11 06:39:10,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-11 06:39:10,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-11 06:39:10,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-11 06:39:10,192 INFO L733 BasicCegarLoop]: Path program histogram: [15] [2022-02-11 06:39:10,194 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 06:39:10,194 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 06:39:10,195 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 06:39:10 BasicIcfg [2022-02-11 06:39:10,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 06:39:10,196 INFO L158 Benchmark]: Toolchain (without parser) took 872880.88ms. Allocated memory was 177.2MB in the beginning and 923.8MB in the end (delta: 746.6MB). Free memory was 135.6MB in the beginning and 476.3MB in the end (delta: -340.7MB). Peak memory consumption was 591.2MB. Max. memory is 8.0GB. [2022-02-11 06:39:10,196 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 06:39:10,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.63ms. Allocated memory is still 177.2MB. Free memory was 135.5MB in the beginning and 134.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 06:39:10,196 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 996.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 06:39:10,197 INFO L158 Benchmark]: RCFGBuilder took 232.65ms. Allocated memory is still 177.2MB. Free memory was 132.9MB in the beginning and 123.3MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-11 06:39:10,197 INFO L158 Benchmark]: TraceAbstraction took 872603.71ms. Allocated memory was 177.2MB in the beginning and 923.8MB in the end (delta: 746.6MB). Free memory was 122.8MB in the beginning and 476.3MB in the end (delta: -353.5MB). Peak memory consumption was 577.6MB. Max. memory is 8.0GB. [2022-02-11 06:39:10,198 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 177.2MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.63ms. Allocated memory is still 177.2MB. Free memory was 135.5MB in the beginning and 134.1MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 132.9MB in the end (delta: 996.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 232.65ms. Allocated memory is still 177.2MB. Free memory was 132.9MB in the beginning and 123.3MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 872603.71ms. Allocated memory was 177.2MB in the beginning and 923.8MB in the end (delta: 746.6MB). Free memory was 122.8MB in the beginning and 476.3MB in the end (delta: -353.5MB). Peak memory consumption was 577.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7051, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 2006, negative conditional: 1986, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6586, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 1541, negative conditional: 1521, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6586, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 1541, negative conditional: 1521, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 4159, positive unconditional: 886, negative: 12809, negative conditional: 11268, negative unconditional: 1541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 3579, positive unconditional: 1466, negative: 12809, negative conditional: 6750, negative unconditional: 6059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 3579, positive unconditional: 1466, negative: 12809, negative conditional: 6750, negative unconditional: 6059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1360, positive: 761, positive conditional: 77, positive unconditional: 684, negative: 599, negative conditional: 579, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1360, positive: 681, positive conditional: 0, positive unconditional: 681, negative: 679, negative conditional: 0, negative unconditional: 679, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 679, positive: 80, positive conditional: 77, positive unconditional: 3, negative: 599, negative conditional: 579, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1107, positive: 109, positive conditional: 100, positive unconditional: 9, negative: 998, negative conditional: 814, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17854, positive: 4284, positive conditional: 3502, positive unconditional: 782, negative: 12210, negative conditional: 6171, negative unconditional: 6039, unknown: 1360, unknown conditional: 656, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1360, Positive cache size: 761, Positive conditional cache size: 77, Positive unconditional cache size: 684, Negative cache size: 599, Negative conditional cache size: 579, Negative unconditional cache size: 20, Eliminated conditions: 5098, Maximal queried relation: 14, Independence queries for same thread: 465 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 60, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 747, positive: 727, positive conditional: 0, positive unconditional: 727, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7051, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 2006, negative conditional: 1986, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6586, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 1541, negative conditional: 1521, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6586, positive: 5045, positive conditional: 4318, positive unconditional: 727, negative: 1541, negative conditional: 1521, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 4159, positive unconditional: 886, negative: 12809, negative conditional: 11268, negative unconditional: 1541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 3579, positive unconditional: 1466, negative: 12809, negative conditional: 6750, negative unconditional: 6059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17854, positive: 5045, positive conditional: 3579, positive unconditional: 1466, negative: 12809, negative conditional: 6750, negative unconditional: 6059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1360, positive: 761, positive conditional: 77, positive unconditional: 684, negative: 599, negative conditional: 579, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1360, positive: 681, positive conditional: 0, positive unconditional: 681, negative: 679, negative conditional: 0, negative unconditional: 679, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 679, positive: 80, positive conditional: 77, positive unconditional: 3, negative: 599, negative conditional: 579, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1107, positive: 109, positive conditional: 100, positive unconditional: 9, negative: 998, negative conditional: 814, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17854, positive: 4284, positive conditional: 3502, positive unconditional: 782, negative: 12210, negative conditional: 6171, negative unconditional: 6039, unknown: 1360, unknown conditional: 656, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1360, Positive cache size: 761, Positive conditional cache size: 77, Positive unconditional cache size: 684, Negative cache size: 599, Negative conditional cache size: 579, Negative unconditional cache size: 20, Eliminated conditions: 5098, Maximal queried relation: 14, Independence queries for same thread: 465 - 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: 77]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 68]: 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 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 68]: 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 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 69]: 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 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - TimeoutResultAtElement [Line: 70]: 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 144 with TraceHistMax 31,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 29ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 872.5s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 11.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 538, 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, 0.8s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 1964 NumberOfCodeBlocks, 1946 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 2904 ConstructedInterpolants, 53 QuantifiedInterpolants, 14773 SizeOfPredicates, 47 NumberOfNonLiveVariables, 2675 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 42 InterpolantComputations, 0 PerfectInterpolantSequences, 6454/11670 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