/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-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 06:49:04,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 06:49:04,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 06:49:04,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 06:49:04,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 06:49:04,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 06:49:04,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 06:49:04,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 06:49:04,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 06:49:04,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 06:49:04,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 06:49:04,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 06:49:04,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 06:49:04,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 06:49:04,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 06:49:04,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 06:49:04,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 06:49:04,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 06:49:04,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 06:49:04,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 06:49:04,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 06:49:04,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 06:49:04,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 06:49:04,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 06:49:04,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 06:49:04,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 06:49:04,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 06:49:04,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 06:49:04,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 06:49:04,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 06:49:04,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 06:49:04,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 06:49:04,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 06:49:04,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 06:49:04,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 06:49:04,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 06:49:04,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 06:49:04,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 06:49:04,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 06:49:04,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 06:49:04,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 06:49:04,264 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 06:49:04,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 06:49:04,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 06:49:04,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 06:49:04,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 06:49:04,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 06:49:04,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 06:49:04,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 06:49:04,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 06:49:04,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 06:49:04,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 06:49:04,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 06:49:04,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 06:49:04,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 06:49:04,285 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 06:49:04,285 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 06:49:04,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 06:49:04,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 06:49:04,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 06:49:04,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 06:49:04,466 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 06:49:04,467 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 06:49:04,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2022-02-11 06:49:04,468 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2022-02-11 06:49:04,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 06:49:04,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 06:49:04,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 06:49:04,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 06:49:04,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 06:49:04,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,506 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 06:49:04,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 06:49:04,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 06:49:04,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 06:49:04,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 06:49:04,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 06:49:04,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 06:49:04,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 06:49:04,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 06:49:04,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/1) ... [2022-02-11 06:49:04,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 06:49:04,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:04,548 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 06:49:04,559 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 06:49:04,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-11 06:49:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 06:49:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 06:49:04,592 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-11 06:49:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 06:49:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 06:49:04,593 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 06:49:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 06:49:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 06:49:04,593 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-11 06:49:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 06:49:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 06:49:04,595 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 06:49:04,648 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 06:49:04,649 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 06:49:04,731 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 06:49:04,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 06:49:04,740 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 06:49:04,741 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 06:49:04 BoogieIcfgContainer [2022-02-11 06:49:04,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 06:49:04,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 06:49:04,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 06:49:04,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 06:49:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 06:49:04" (1/2) ... [2022-02-11 06:49:04,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f99a59a and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 06:49:04, skipping insertion in model container [2022-02-11 06:49:04,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 06:49:04" (2/2) ... [2022-02-11 06:49:04,769 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2022-02-11 06:49:04,777 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 06:49:04,778 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 06:49:04,778 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 06:49:04,778 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 06:49:04,807 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 06:49:04,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 06:49:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:04,847 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 06:49:04,848 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 06:49:04,871 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 06:49:04,876 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 06:49:04,877 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 06:49:05,003 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:05,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:05,007 INFO L85 PathProgramCache]: Analyzing trace with hash -12638213, now seen corresponding path program 1 times [2022-02-11 06:49:05,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:05,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279785845] [2022-02-11 06:49:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:05,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:05,121 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279785845] [2022-02-11 06:49:05,121 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279785845] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 06:49:05,121 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 06:49:05,121 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 06:49:05,122 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066525233] [2022-02-11 06:49:05,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 06:49:05,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 06:49:05,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:05,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 06:49:05,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 06:49:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:05,179 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:05,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:05,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 06:49:05,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:05,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1579607554, now seen corresponding path program 1 times [2022-02-11 06:49:05,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:05,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334926149] [2022-02-11 06:49:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:05,255 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:05,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334926149] [2022-02-11 06:49:05,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334926149] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 06:49:05,256 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 06:49:05,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 06:49:05,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920431091] [2022-02-11 06:49:05,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 06:49:05,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 06:49:05,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:05,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 06:49:05,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 06:49:05,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:05,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:05,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:05,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:05,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:05,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:05,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 06:49:05,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:05,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1932115909, now seen corresponding path program 1 times [2022-02-11 06:49:05,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:05,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157234016] [2022-02-11 06:49:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:05,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:05,808 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:05,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157234016] [2022-02-11 06:49:05,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157234016] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:05,809 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015814800] [2022-02-11 06:49:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:05,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:05,812 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 06:49:05,835 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 06:49:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:05,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-11 06:49:05,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:06,100 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2022-02-11 06:49:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:06,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:06,303 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:49:06,304 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 17 treesize of output 22 [2022-02-11 06:49:06,311 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:49:06,311 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 13 treesize of output 18 [2022-02-11 06:49:06,350 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-02-11 06:49:06,354 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2022-02-11 06:49:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:06,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015814800] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:06,457 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:06,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2022-02-11 06:49:06,457 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591480493] [2022-02-11 06:49:06,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:06,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-11 06:49:06,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:06,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-11 06:49:06,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2022-02-11 06:49:06,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:06,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:06,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:06,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:06,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:06,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:06,708 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 06:49:06,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-11 06:49:06,904 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:06,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:06,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1533371390, now seen corresponding path program 2 times [2022-02-11 06:49:06,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:06,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571986941] [2022-02-11 06:49:06,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:06,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:06,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571986941] [2022-02-11 06:49:06,964 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571986941] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:06,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30817346] [2022-02-11 06:49:06,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:49:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:06,965 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 06:49:06,966 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 06:49:06,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:49:06,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:49:06,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 06:49:06,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:07,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:07,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30817346] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:07,206 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:07,206 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-11 06:49:07,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514126871] [2022-02-11 06:49:07,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:07,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-11 06:49:07,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:07,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-11 06:49:07,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-11 06:49:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:07,207 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:07,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:07,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:07,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:07,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:07,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:07,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-11 06:49:07,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:07,662 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:07,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:07,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1090887742, now seen corresponding path program 1 times [2022-02-11 06:49:07,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:07,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944870155] [2022-02-11 06:49:07,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:07,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:07,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944870155] [2022-02-11 06:49:07,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944870155] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:07,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446003624] [2022-02-11 06:49:07,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:07,710 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 06:49:07,712 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 06:49:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:07,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 06:49:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:07,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:07,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446003624] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:07,919 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:07,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-11 06:49:07,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169788815] [2022-02-11 06:49:07,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:07,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-11 06:49:07,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:07,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-11 06:49:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-11 06:49:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:07,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:07,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:07,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:07,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:07,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:07,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:07,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:08,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:08,058 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 06:49:08,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:08,249 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:08,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2118187045, now seen corresponding path program 2 times [2022-02-11 06:49:08,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:08,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409818427] [2022-02-11 06:49:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:08,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:08,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409818427] [2022-02-11 06:49:08,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409818427] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:08,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461664562] [2022-02-11 06:49:08,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:49:08,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:08,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:08,791 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 06:49:08,792 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 06:49:08,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:49:08,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:49:08,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-11 06:49:08,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:09,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:49:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:49:09,509 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-02-11 06:49:09,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:09,513 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2022-02-11 06:49:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:09,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:10,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:10,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:10,213 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:49:10,214 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 99 treesize of output 188 [2022-02-11 06:49:10,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:10,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:10,293 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:49:10,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 67 treesize of output 156 [2022-02-11 06:49:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:19,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461664562] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:19,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:19,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2022-02-11 06:49:19,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525022202] [2022-02-11 06:49:19,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:19,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-11 06:49:19,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:19,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-11 06:49:19,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1316, Unknown=0, NotChecked=0, Total=1560 [2022-02-11 06:49:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:19,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:19,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.95) internal successors, (78), 40 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:19,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:49:20,562 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 06:49:20,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:20,746 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:20,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:20,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1988124898, now seen corresponding path program 3 times [2022-02-11 06:49:20,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:20,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394587346] [2022-02-11 06:49:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:20,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:20,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:20,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394587346] [2022-02-11 06:49:20,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394587346] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:20,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470206588] [2022-02-11 06:49:20,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 06:49:20,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:20,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:20,824 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 06:49:20,825 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 06:49:20,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-11 06:49:20,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:49:20,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-11 06:49:20,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:21,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:21,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470206588] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:21,212 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:21,213 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-11 06:49:21,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342263878] [2022-02-11 06:49:21,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:21,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-11 06:49:21,213 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:21,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-11 06:49:21,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-11 06:49:21,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:21,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:21,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.259259259259259) internal successors, (88), 27 states have internal predecessors, (88), 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 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:21,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:49:21,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:21,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:49:21,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:49:21,736 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 06:49:21,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:21,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:21,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:21,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1609628834, now seen corresponding path program 4 times [2022-02-11 06:49:21,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:21,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193594214] [2022-02-11 06:49:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:21,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:22,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:22,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193594214] [2022-02-11 06:49:22,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193594214] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:22,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321172093] [2022-02-11 06:49:22,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 06:49:22,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:22,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:22,003 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 06:49:22,004 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 06:49:22,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 06:49:22,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:49:22,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-11 06:49:22,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:22,163 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:22,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 06:49:22,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321172093] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:49:22,301 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:49:22,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-11 06:49:22,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219286884] [2022-02-11 06:49:22,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:49:22,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-11 06:49:22,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:49:22,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-11 06:49:22,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-11 06:49:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:22,302 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:49:22,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.6818181818181817) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:49:22,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:49:22,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:49:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:49:22,513 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 06:49:22,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:22,708 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:49:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:49:22,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1858017413, now seen corresponding path program 5 times [2022-02-11 06:49:22,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:49:22,708 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995025785] [2022-02-11 06:49:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:49:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:49:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:49:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:23,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:49:23,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995025785] [2022-02-11 06:49:23,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995025785] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:49:23,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915478993] [2022-02-11 06:49:23,498 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 06:49:23,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:49:23,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:49:23,499 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 06:49:23,499 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 06:49:23,528 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-11 06:49:23,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:49:23,529 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-11 06:49:23,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:49:24,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:49:24,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:24,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2022-02-11 06:49:24,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:24,662 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-02-11 06:49:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:49:24,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:49:26,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,391 INFO L353 Elim1Store]: treesize reduction 142, result has 66.3 percent of original size [2022-02-11 06:49:26,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 93 treesize of output 338 [2022-02-11 06:49:26,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:49:26,594 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:49:26,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 29 case distinctions, treesize of input 59 treesize of output 334 [2022-02-11 06:50:00,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,067 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:50:00,068 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 93 treesize of output 168 [2022-02-11 06:50:00,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,086 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:00,142 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:50:00,142 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 134 [2022-02-11 06:50:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:00,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915478993] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:50:00,862 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:50:00,862 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 66 [2022-02-11 06:50:00,862 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458570279] [2022-02-11 06:50:00,862 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:50:00,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-02-11 06:50:00,863 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:50:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-02-11 06:50:00,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=4012, Unknown=0, NotChecked=0, Total=4290 [2022-02-11 06:50:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:00,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:50:00,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.803030303030303) internal successors, (119), 66 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 06:50:00,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:00,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:05,737 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 06:50:05,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-11 06:50:05,922 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:50:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:50:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash 12828667, now seen corresponding path program 6 times [2022-02-11 06:50:05,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:50:05,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268039881] [2022-02-11 06:50:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:50:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:50:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 5 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:06,970 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:50:06,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268039881] [2022-02-11 06:50:06,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268039881] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:50:06,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464572448] [2022-02-11 06:50:06,971 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 06:50:06,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:50:06,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:50:06,972 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 06:50:06,972 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 06:50:07,007 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-11 06:50:07,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:50:07,008 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-11 06:50:07,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:50:08,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:08,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:08,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:08,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:08,884 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2022-02-11 06:50:08,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:08,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:08,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:08,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:08,891 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 3 [2022-02-11 06:50:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:09,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:50:11,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,615 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:11,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,733 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:50:11,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 114 treesize of output 337 [2022-02-11 06:50:11,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:11,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:11,889 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:50:11,890 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 21 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 32 case distinctions, treesize of input 68 treesize of output 291 [2022-02-11 06:50:13,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,932 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 59 [2022-02-11 06:50:13,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:50:13,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:50:13,949 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 3 [2022-02-11 06:50:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:14,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464572448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:50:14,157 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:50:14,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 33, 34] total 89 [2022-02-11 06:50:14,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490619767] [2022-02-11 06:50:14,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:50:14,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-02-11 06:50:14,157 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:50:14,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-02-11 06:50:14,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=898, Invalid=6934, Unknown=0, NotChecked=0, Total=7832 [2022-02-11 06:50:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:14,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:50:14,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 1.5842696629213484) internal successors, (141), 89 states have internal predecessors, (141), 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 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:14,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:41,087 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 06:50:41,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 06:50:41,271 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:50:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:50:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1470910750, now seen corresponding path program 7 times [2022-02-11 06:50:41,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:50:41,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995262111] [2022-02-11 06:50:41,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:50:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:50:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 176 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:41,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:50:41,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995262111] [2022-02-11 06:50:41,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995262111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:50:41,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92047383] [2022-02-11 06:50:41,484 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 06:50:41,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:50:41,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:50:41,485 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 06:50:41,486 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 06:50:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:41,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-11 06:50:41,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:50:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 210 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:42,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:50:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 210 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:42,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92047383] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:50:42,618 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:50:42,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-02-11 06:50:42,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125105258] [2022-02-11 06:50:42,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:50:42,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-11 06:50:42,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:50:42,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-11 06:50:42,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=886, Invalid=3274, Unknown=0, NotChecked=0, Total=4160 [2022-02-11 06:50:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:42,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:50:42,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.046153846153846) internal successors, (198), 65 states have internal predecessors, (198), 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 06:50:42,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:42,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:44,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 06:50:44,546 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 06:50:44,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-11 06:50:44,743 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:50:44,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:50:44,744 INFO L85 PathProgramCache]: Analyzing trace with hash -842068834, now seen corresponding path program 8 times [2022-02-11 06:50:44,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:50:44,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290893195] [2022-02-11 06:50:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:50:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:50:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 252 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:45,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:50:45,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290893195] [2022-02-11 06:50:45,095 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290893195] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:50:45,095 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506406205] [2022-02-11 06:50:45,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 06:50:45,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:50:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:50:45,096 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 06:50:45,097 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 06:50:45,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-11 06:50:45,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:50:45,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-11 06:50:45,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:50:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 284 proven. 247 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-11 06:50:45,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:50:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 284 proven. 247 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-11 06:50:46,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506406205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:50:46,400 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:50:46,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 30] total 75 [2022-02-11 06:50:46,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158447020] [2022-02-11 06:50:46,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:50:46,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-11 06:50:46,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:50:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-11 06:50:46,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=892, Invalid=4658, Unknown=0, NotChecked=0, Total=5550 [2022-02-11 06:50:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:46,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:50:46,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 3.1733333333333333) internal successors, (238), 75 states have internal predecessors, (238), 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 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 06:50:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 06:50:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-11 06:50:47,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-11 06:50:47,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-11 06:50:47,744 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:50:47,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:50:47,744 INFO L85 PathProgramCache]: Analyzing trace with hash -641327301, now seen corresponding path program 9 times [2022-02-11 06:50:47,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:50:47,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820360918] [2022-02-11 06:50:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:50:47,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:50:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:48,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:50:48,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820360918] [2022-02-11 06:50:48,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820360918] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:50:48,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390280227] [2022-02-11 06:50:48,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 06:50:48,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:50:48,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:50:48,092 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 06:50:48,092 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 06:50:48,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-02-11 06:50:48,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:50:48,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-11 06:50:48,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:50:49,007 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 252 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:49,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:50:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 292 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:50,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390280227] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 06:50:50,101 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 06:50:50,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 95 [2022-02-11 06:50:50,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973017485] [2022-02-11 06:50:50,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 06:50:50,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-02-11 06:50:50,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 06:50:50,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-02-11 06:50:50,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1572, Invalid=7358, Unknown=0, NotChecked=0, Total=8930 [2022-02-11 06:50:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:50,104 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 06:50:50,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.0631578947368423) internal successors, (291), 95 states have internal predecessors, (291), 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 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-11 06:50:50,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 06:50:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 06:50:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 06:50:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-11 06:50:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-11 06:50:51,133 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 06:50:51,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-11 06:50:51,318 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 06:50:51,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 06:50:51,318 INFO L85 PathProgramCache]: Analyzing trace with hash -688319397, now seen corresponding path program 10 times [2022-02-11 06:50:51,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 06:50:51,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904722202] [2022-02-11 06:50:51,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 06:50:51,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 06:50:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 06:50:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:50:57,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 06:50:57,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904722202] [2022-02-11 06:50:57,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904722202] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 06:50:57,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690377349] [2022-02-11 06:50:57,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 06:50:57,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 06:50:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 06:50:57,107 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 06:50:57,108 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 06:50:57,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 06:50:57,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 06:50:57,156 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2022-02-11 06:50:57,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 06:51:08,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 120 disjoint index pairs (out of 171 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 323 treesize of output 217 [2022-02-11 06:51:08,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 06:51:08,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:08,835 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 7 [2022-02-11 06:51:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 06:51:08,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 06:51:20,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,502 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:20,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,545 WARN L228 SmtUtils]: Spent 24.03s on a formula simplification. DAG size of input: 1703 DAG size of output: 1219 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-11 06:51:44,548 INFO L353 Elim1Store]: treesize reduction 1969, result has 59.2 percent of original size [2022-02-11 06:51:44,548 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 91 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 405 case distinctions, treesize of input 321 treesize of output 3051 [2022-02-11 06:51:44,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,996 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:44,999 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,044 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 06:51:45,425 INFO L244 Elim1Store]: Index analysis took 543 ms [2022-02-11 06:52:04,432 WARN L228 SmtUtils]: Spent 19.00s on a formula simplification that was a NOOP. DAG size: 1219 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-11 06:52:04,432 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 06:52:04,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 212 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 284 case distinctions, treesize of input 195 treesize of output 3470 Received shutdown request... [2022-02-11 07:03:10,323 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-11 07:03:10,325 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-11 07:03:10,339 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-11 07:03:10,339 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 07:03:10,339 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 07:03:10,341 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 07:03:10,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-11 07:03:10,526 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 28ms.. [2022-02-11 07:03:10,527 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 07:03:10,527 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 07:03:10,527 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 07:03:10,531 INFO L733 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-02-11 07:03:10,533 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 07:03:10,533 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 07:03:10,535 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 07:03:10 BasicIcfg [2022-02-11 07:03:10,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 07:03:10,535 INFO L158 Benchmark]: Toolchain (without parser) took 846046.04ms. Allocated memory was 170.9MB in the beginning and 660.6MB in the end (delta: 489.7MB). Free memory was 135.3MB in the beginning and 551.1MB in the end (delta: -415.9MB). Peak memory consumption was 428.2MB. Max. memory is 8.0GB. [2022-02-11 07:03:10,535 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 170.9MB. Free memory was 136.5MB in the beginning and 136.4MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 07:03:10,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.70ms. Allocated memory is still 170.9MB. Free memory was 135.2MB in the beginning and 133.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 07:03:10,535 INFO L158 Benchmark]: Boogie Preprocessor took 10.68ms. Allocated memory is still 170.9MB. Free memory was 133.6MB in the beginning and 132.7MB in the end (delta: 936.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 07:03:10,535 INFO L158 Benchmark]: RCFGBuilder took 221.61ms. Allocated memory is still 170.9MB. Free memory was 132.6MB in the beginning and 147.1MB in the end (delta: -14.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-02-11 07:03:10,536 INFO L158 Benchmark]: TraceAbstraction took 845783.62ms. Allocated memory was 170.9MB in the beginning and 660.6MB in the end (delta: 489.7MB). Free memory was 146.6MB in the beginning and 551.1MB in the end (delta: -404.6MB). Peak memory consumption was 439.6MB. Max. memory is 8.0GB. [2022-02-11 07:03:10,536 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 0.10ms. Allocated memory is still 170.9MB. Free memory was 136.5MB in the beginning and 136.4MB in the end (delta: 86.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.70ms. Allocated memory is still 170.9MB. Free memory was 135.2MB in the beginning and 133.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 10.68ms. Allocated memory is still 170.9MB. Free memory was 133.6MB in the beginning and 132.7MB in the end (delta: 936.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 221.61ms. Allocated memory is still 170.9MB. Free memory was 132.6MB in the beginning and 147.1MB in the end (delta: -14.5MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * TraceAbstraction took 845783.62ms. Allocated memory was 170.9MB in the beginning and 660.6MB in the end (delta: 489.7MB). Free memory was 146.6MB in the beginning and 551.1MB in the end (delta: -404.6MB). Peak memory consumption was 439.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6082, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 1049, negative conditional: 1049, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4489, positive unconditional: 544, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4154, positive unconditional: 879, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4154, positive unconditional: 879, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5033, positive: 4653, positive conditional: 4154, positive unconditional: 499, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 380, unknown conditional: 0, unknown unconditional: 380] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 380, Positive conditional cache size: 0, Positive unconditional cache size: 380, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 335, Maximal queried relation: 0, Independence queries for same thread: 1049 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 24, Number of trivial persistent sets: 11, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 404, positive: 404, positive conditional: 0, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6082, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 1049, negative conditional: 1049, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4629, positive unconditional: 404, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4489, positive unconditional: 544, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4154, positive unconditional: 879, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5033, positive: 5033, positive conditional: 4154, positive unconditional: 879, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, positive: 380, positive conditional: 0, positive unconditional: 380, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, positive: 377, positive conditional: 0, positive unconditional: 377, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5033, positive: 4653, positive conditional: 4154, positive unconditional: 499, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 380, unknown conditional: 0, unknown unconditional: 380] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 380, Positive conditional cache size: 0, Positive unconditional cache size: 380, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 335, Maximal queried relation: 0, Independence queries for same thread: 1049 - 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: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 28ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 28ms.. - TimeoutResultAtElement [Line: 54]: 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 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 28ms.. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 28ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 38.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 544, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 65.0s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 1786 ConstructedInterpolants, 14 QuantifiedInterpolants, 30311 SizeOfPredicates, 109 NumberOfNonLiveVariables, 1166 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 2355/4915 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