/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 15:27:42,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 15:27:42,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 15:27:42,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 15:27:42,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 15:27:42,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 15:27:42,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 15:27:42,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 15:27:42,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 15:27:42,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 15:27:42,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 15:27:42,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 15:27:42,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 15:27:42,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 15:27:42,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 15:27:42,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 15:27:42,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 15:27:42,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 15:27:42,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 15:27:42,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 15:27:42,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 15:27:42,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 15:27:42,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 15:27:42,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 15:27:42,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 15:27:42,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 15:27:42,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 15:27:42,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 15:27:42,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 15:27:42,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 15:27:42,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 15:27:42,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 15:27:42,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 15:27:42,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 15:27:42,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 15:27:42,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 15:27:42,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 15:27:42,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 15:27:42,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 15:27:42,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 15:27:42,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 15:27:42,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 15:27:42,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 15:27:42,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 15:27:42,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 15:27:42,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 15:27:42,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 15:27:42,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 15:27:42,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 15:27:42,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 15:27:42,583 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 15:27:42,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 15:27:42,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 15:27:42,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:27:42,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 15:27:42,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 15:27:42,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 15:27:42,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 15:27:42,586 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 15:27:42,586 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 15:27:42,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 15:27:42,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 15:27:42,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 15:27:42,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 15:27:42,794 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 15:27:42,795 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 15:27:42,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2022-02-09 15:27:42,796 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2022-02-09 15:27:42,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 15:27:42,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 15:27:42,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 15:27:42,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 15:27:42,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 15:27:42,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,836 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 15:27:42,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 15:27:42,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 15:27:42,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 15:27:42,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 15:27:42,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 15:27:42,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 15:27:42,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 15:27:42,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 15:27:42,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/1) ... [2022-02-09 15:27:42,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:27:42,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:42,874 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) [2022-02-09 15:27:42,881 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 [2022-02-09 15:27:42,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 15:27:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 15:27:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 15:27:42,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 15:27:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 15:27:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 15:27:42,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 15:27:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 15:27:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 15:27:42,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 15:27:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 15:27:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 15:27:42,904 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 15:27:42,944 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 15:27:42,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 15:27:43,018 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 15:27:43,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 15:27:43,027 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 15:27:43,029 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:27:43 BoogieIcfgContainer [2022-02-09 15:27:43,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 15:27:43,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 15:27:43,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 15:27:43,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 15:27:43,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:27:42" (1/2) ... [2022-02-09 15:27:43,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdd7cd4 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 03:27:43, skipping insertion in model container [2022-02-09 15:27:43,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:27:43" (2/2) ... [2022-02-09 15:27:43,034 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2022-02-09 15:27:43,037 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 15:27:43,037 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 15:27:43,037 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 15:27:43,037 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 15:27:43,059 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 15:27:43,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 15:27:43,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:43,090 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) [2022-02-09 15:27:43,090 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 [2022-02-09 15:27:43,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 15:27:43,120 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, mLazyFiniteAutomaton=true, 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 [2022-02-09 15:27:43,120 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 15:27:43,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:43,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:43,232 INFO L85 PathProgramCache]: Analyzing trace with hash -234537446, now seen corresponding path program 1 times [2022-02-09 15:27:43,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:43,238 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180726638] [2022-02-09 15:27:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:43,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:43,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:43,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180726638] [2022-02-09 15:27:43,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180726638] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:27:43,364 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:27:43,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:27:43,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523923919] [2022-02-09 15:27:43,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:27:43,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 15:27:43,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 15:27:43,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-09 15:27:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:43,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:43,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:43,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:43,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:43,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 15:27:43,512 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:43,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873864, now seen corresponding path program 1 times [2022-02-09 15:27:43,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:43,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336986064] [2022-02-09 15:27:43,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:43,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:43,550 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:43,550 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336986064] [2022-02-09 15:27:43,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336986064] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:27:43,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:27:43,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:27:43,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413878423] [2022-02-09 15:27:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:27:43,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 15:27:43,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:43,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 15:27:43,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 15:27:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:43,553 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:43,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:43,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:43,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:43,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 15:27:43,589 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:43,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash 196648534, now seen corresponding path program 1 times [2022-02-09 15:27:43,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:43,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909825299] [2022-02-09 15:27:43,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:43,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:43,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:43,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909825299] [2022-02-09 15:27:43,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909825299] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:43,911 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007719632] [2022-02-09 15:27:43,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:43,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:43,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:43,913 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) [2022-02-09 15:27:43,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 15:27:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:43,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-09 15:27:43,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:44,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:44,268 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 15 treesize of output 11 [2022-02-09 15:27:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:44,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:44,386 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:27:44,387 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 12 treesize of output 17 [2022-02-09 15:27:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:44,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007719632] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:44,530 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:44,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-09 15:27:44,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954111824] [2022-02-09 15:27:44,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:44,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 15:27:44,531 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:44,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 15:27:44,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-02-09 15:27:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:44,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:44,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:44,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:44,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 15:27:44,873 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 [2022-02-09 15:27:44,873 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:44,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1778530228, now seen corresponding path program 2 times [2022-02-09 15:27:44,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:44,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679302263] [2022-02-09 15:27:44,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:44,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:44,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:44,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679302263] [2022-02-09 15:27:44,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679302263] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:44,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634728594] [2022-02-09 15:27:44,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:27:44,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:44,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:44,934 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) [2022-02-09 15:27:44,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 15:27:44,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:27:44,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:27:44,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:27:44,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:45,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:45,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634728594] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:45,126 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:45,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-09 15:27:45,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115432351] [2022-02-09 15:27:45,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:45,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 15:27:45,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:45,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 15:27:45,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-09 15:27:45,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:45,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:45,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:45,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:45,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:45,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 15:27:45,539 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 [2022-02-09 15:27:45,540 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:45,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:45,540 INFO L85 PathProgramCache]: Analyzing trace with hash -485803280, now seen corresponding path program 1 times [2022-02-09 15:27:45,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:45,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552236368] [2022-02-09 15:27:45,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:45,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:45,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:45,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552236368] [2022-02-09 15:27:45,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552236368] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:45,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896819680] [2022-02-09 15:27:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:45,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:45,590 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) [2022-02-09 15:27:45,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 15:27:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:45,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:27:45,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:45,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:45,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896819680] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:45,789 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:45,789 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-09 15:27:45,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255601907] [2022-02-09 15:27:45,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:45,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 15:27:45,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 15:27:45,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-09 15:27:45,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:45,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:45,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:45,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:45,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:45,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:45,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:45,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:45,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 15:27:46,112 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 [2022-02-09 15:27:46,113 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:46,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:46,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1400384050, now seen corresponding path program 2 times [2022-02-09 15:27:46,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:46,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201481565] [2022-02-09 15:27:46,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:46,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:46,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201481565] [2022-02-09 15:27:46,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201481565] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:46,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113287829] [2022-02-09 15:27:46,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:27:46,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:46,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:46,408 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) [2022-02-09 15:27:46,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 15:27:46,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:27:46,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:27:46,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 15:27:46,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:46,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:46,888 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 32 treesize of output 20 [2022-02-09 15:27:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:46,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:47,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:47,367 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-09 15:27:47,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 31 treesize of output 116 [2022-02-09 15:27:48,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:48,577 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:27:48,577 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 73 [2022-02-09 15:27:48,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:48,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113287829] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:48,895 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:48,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2022-02-09 15:27:48,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568022010] [2022-02-09 15:27:48,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:48,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-09 15:27:48,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-09 15:27:48,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2022-02-09 15:27:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:48,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:48,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:48,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:48,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:48,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:48,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:48,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:48,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:50,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:50,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 15:27:50,206 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 [2022-02-09 15:27:50,207 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:50,207 INFO L85 PathProgramCache]: Analyzing trace with hash 155791660, now seen corresponding path program 3 times [2022-02-09 15:27:50,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:50,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682145036] [2022-02-09 15:27:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:50,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:50,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682145036] [2022-02-09 15:27:50,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682145036] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:50,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897652785] [2022-02-09 15:27:50,302 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 15:27:50,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:50,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:50,304 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) [2022-02-09 15:27:50,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 15:27:50,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-09 15:27:50,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:27:50,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 15:27:50,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:50,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:50,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897652785] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:50,731 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:50,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-09 15:27:50,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473465720] [2022-02-09 15:27:50,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:50,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-09 15:27:50,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:50,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-09 15:27:50,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-09 15:27:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:50,733 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:50,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:27:51,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 15:27:51,455 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 [2022-02-09 15:27:51,456 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:51,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash 717797480, now seen corresponding path program 4 times [2022-02-09 15:27:51,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:51,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107850452] [2022-02-09 15:27:51,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:51,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:51,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:51,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107850452] [2022-02-09 15:27:51,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107850452] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:51,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687567623] [2022-02-09 15:27:51,546 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 15:27:51,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:51,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:51,548 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) [2022-02-09 15:27:51,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 15:27:51,575 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 15:27:51,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:27:51,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 15:27:51,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:51,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:51,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:27:51,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687567623] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:27:51,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:27:51,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-09 15:27:51,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282528064] [2022-02-09 15:27:51,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:27:51,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-09 15:27:51,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:27:51,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-09 15:27:51,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-09 15:27:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:51,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:27:51,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:27:51,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:51,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:51,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:27:51,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:27:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:27:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:27:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:27:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:27:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:27:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:27:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:27:51,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 15:27:52,175 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 [2022-02-09 15:27:52,175 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:27:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:27:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237766, now seen corresponding path program 5 times [2022-02-09 15:27:52,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:27:52,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483215260] [2022-02-09 15:27:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:27:52,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:27:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:27:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:52,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:27:52,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483215260] [2022-02-09 15:27:52,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483215260] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:27:52,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993473925] [2022-02-09 15:27:52,653 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 15:27:52,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:27:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:27:52,654 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) [2022-02-09 15:27:52,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 15:27:52,683 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-09 15:27:52,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:27:52,684 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-09 15:27:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:27:53,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:53,573 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:53,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:53,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:27:53,576 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 48 treesize of output 28 [2022-02-09 15:27:53,614 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:27:53,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:27:54,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:27:54,743 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:27:54,743 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 98 treesize of output 371 [2022-02-09 15:29:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:59,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993473925] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:29:59,204 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:29:59,204 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 45 [2022-02-09 15:29:59,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016900144] [2022-02-09 15:29:59,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:29:59,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-09 15:29:59,205 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:59,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-09 15:29:59,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1781, Unknown=0, NotChecked=0, Total=1980 [2022-02-09 15:29:59,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:59,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:59,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.1555555555555554) internal successors, (97), 45 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:29:59,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:29:59,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:30:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:30:00,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:30:00,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 15:30:00,987 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 [2022-02-09 15:30:00,987 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:30:00,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:30:00,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1662599294, now seen corresponding path program 6 times [2022-02-09 15:30:00,988 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:30:00,988 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170033423] [2022-02-09 15:30:00,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:30:00,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:30:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:30:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:30:01,563 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:30:01,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170033423] [2022-02-09 15:30:01,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170033423] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:30:01,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423740634] [2022-02-09 15:30:01,564 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 15:30:01,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:30:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:30:01,565 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) [2022-02-09 15:30:01,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 15:30:01,608 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-09 15:30:01,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:30:01,609 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 60 conjunts are in the unsatisfiable core [2022-02-09 15:30:01,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:30:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:02,938 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:30:02,938 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 66 treesize of output 260 [2022-02-09 15:30:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:30:07,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:30:09,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:09,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:09,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:09,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:09,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:09,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:30:10,143 INFO L353 Elim1Store]: treesize reduction 100, result has 77.1 percent of original size [2022-02-09 15:30:10,144 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 56 case distinctions, treesize of input 113 treesize of output 366 [2022-02-09 15:31:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:40,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423740634] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:31:40,926 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:31:40,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 55 [2022-02-09 15:31:40,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471979446] [2022-02-09 15:31:40,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:31:40,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-02-09 15:31:40,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:31:40,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-02-09 15:31:40,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2776, Unknown=0, NotChecked=0, Total=2970 [2022-02-09 15:31:40,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:40,928 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:31:40,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.9636363636363636) internal successors, (108), 55 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:40,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:44,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-09 15:31:45,147 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 [2022-02-09 15:31:45,147 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:31:45,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:31:45,148 INFO L85 PathProgramCache]: Analyzing trace with hash 2079005886, now seen corresponding path program 7 times [2022-02-09 15:31:45,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:31:45,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229741150] [2022-02-09 15:31:45,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:31:45,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:31:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:31:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:45,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:31:45,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229741150] [2022-02-09 15:31:45,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229741150] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:31:45,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844961685] [2022-02-09 15:31:45,278 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 15:31:45,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:31:45,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:31:45,279 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) [2022-02-09 15:31:45,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 15:31:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:31:45,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-09 15:31:45,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:31:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:45,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:31:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:45,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844961685] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:31:45,961 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:31:45,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-02-09 15:31:45,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317694387] [2022-02-09 15:31:45,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:31:45,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-09 15:31:45,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:31:45,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-09 15:31:45,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-02-09 15:31:45,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:45,963 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:31:45,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 48 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:45,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-09 15:31:47,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 15:31:47,554 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 [2022-02-09 15:31:47,554 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:31:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:31:47,554 INFO L85 PathProgramCache]: Analyzing trace with hash -713231340, now seen corresponding path program 8 times [2022-02-09 15:31:47,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:31:47,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593944838] [2022-02-09 15:31:47,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:31:47,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:31:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:31:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:47,752 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:31:47,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593944838] [2022-02-09 15:31:47,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593944838] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:31:47,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31789556] [2022-02-09 15:31:47,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:31:47,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:31:47,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:31:47,765 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) [2022-02-09 15:31:47,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 15:31:47,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:31:47,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:31:47,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-09 15:31:47,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:31:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 15:31:48,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:31:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 15:31:48,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31789556] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:31:48,485 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:31:48,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-02-09 15:31:48,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570605704] [2022-02-09 15:31:48,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:31:48,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-09 15:31:48,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:31:48,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-09 15:31:48,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-02-09 15:31:48,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:48,487 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:31:48,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:48,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:48,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:48,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-09 15:31:48,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-09 15:31:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 15:31:49,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 15:31:49,393 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 [2022-02-09 15:31:49,393 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:31:49,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:31:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1346980366, now seen corresponding path program 9 times [2022-02-09 15:31:49,394 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:31:49,394 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49930555] [2022-02-09 15:31:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:31:49,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:31:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:31:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:49,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:31:49,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49930555] [2022-02-09 15:31:49,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49930555] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:31:49,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489826072] [2022-02-09 15:31:49,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 15:31:49,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:31:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:31:49,586 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) [2022-02-09 15:31:49,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 15:31:49,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-02-09 15:31:49,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:31:49,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-09 15:31:49,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:31:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:50,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:31:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 85 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:50,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489826072] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:31:50,680 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:31:50,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-02-09 15:31:50,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644446660] [2022-02-09 15:31:50,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:31:50,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-09 15:31:50,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:31:50,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-09 15:31:50,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=752, Invalid=3408, Unknown=0, NotChecked=0, Total=4160 [2022-02-09 15:31:50,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:50,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:31:50,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.276923076923077) internal successors, (148), 65 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:50,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-09 15:31:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 15:31:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:31:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:31:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 15:31:51,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-09 15:31:51,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 15:31:51,564 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 [2022-02-09 15:31:51,564 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:31:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:31:51,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1540285650, now seen corresponding path program 10 times [2022-02-09 15:31:51,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:31:51,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76214071] [2022-02-09 15:31:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:31:51,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:31:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:31:52,767 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:52,767 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:31:52,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76214071] [2022-02-09 15:31:52,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76214071] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:31:52,768 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586765334] [2022-02-09 15:31:52,768 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 15:31:52,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:31:52,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:31:52,769 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) [2022-02-09 15:31:52,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 15:31:52,804 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 15:31:52,805 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:31:52,806 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2022-02-09 15:31:52,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:31:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:54,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:54,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:54,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:31:54,948 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 51 [2022-02-09 15:31:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:31:54,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:31:56,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:31:56,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:32:02,017 WARN L228 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 835 DAG size of output: 611 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 15:32:02,018 INFO L353 Elim1Store]: treesize reduction 866, result has 61.2 percent of original size [2022-02-09 15:32:02,019 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 36 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 195 case distinctions, treesize of input 110 treesize of output 1393 Received shutdown request... [2022-02-09 15:41:50,564 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 15:41:50,566 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 15:41:50,570 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 [2022-02-09 15:41:50,570 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 [2022-02-09 15:41:50,570 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 [2022-02-09 15:41:50,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-09 15:41:50,766 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 [2022-02-09 15:41:50,767 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 26ms.. [2022-02-09 15:41:50,768 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 15:41:50,768 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 15:41:50,768 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 15:41:50,772 INFO L732 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-02-09 15:41:50,774 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 15:41:50,774 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 15:41:50,775 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 03:41:50 BasicIcfg [2022-02-09 15:41:50,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 15:41:50,775 INFO L158 Benchmark]: Toolchain (without parser) took 847957.18ms. Allocated memory was 191.9MB in the beginning and 483.4MB in the end (delta: 291.5MB). Free memory was 158.7MB in the beginning and 357.0MB in the end (delta: -198.3MB). Peak memory consumption was 311.9MB. Max. memory is 8.0GB. [2022-02-09 15:41:50,776 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:41:50,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.56ms. Allocated memory is still 191.9MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:41:50,776 INFO L158 Benchmark]: Boogie Preprocessor took 14.60ms. Allocated memory is still 191.9MB. Free memory was 157.2MB in the beginning and 156.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:41:50,776 INFO L158 Benchmark]: RCFGBuilder took 175.01ms. Allocated memory is still 191.9MB. Free memory was 156.2MB in the beginning and 146.6MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 15:41:50,776 INFO L158 Benchmark]: TraceAbstraction took 847745.46ms. Allocated memory was 191.9MB in the beginning and 483.4MB in the end (delta: 291.5MB). Free memory was 146.1MB in the beginning and 357.0MB in the end (delta: -210.9MB). Peak memory consumption was 299.3MB. Max. memory is 8.0GB. [2022-02-09 15:41:50,777 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 0.12ms. Allocated memory is still 191.9MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.56ms. Allocated memory is still 191.9MB. Free memory was 158.7MB in the beginning and 157.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.60ms. Allocated memory is still 191.9MB. Free memory was 157.2MB in the beginning and 156.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 175.01ms. Allocated memory is still 191.9MB. Free memory was 156.2MB in the beginning and 146.6MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 847745.46ms. Allocated memory was 191.9MB in the beginning and 483.4MB in the end (delta: 291.5MB). Free memory was 146.1MB in the beginning and 357.0MB in the end (delta: -210.9MB). Peak memory consumption was 299.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3760, positive: 3072, positive conditional: 2780, positive unconditional: 292, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2720, positive unconditional: 352, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3072, positive: 2792, positive conditional: 2649, positive unconditional: 143, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 0, Independence queries for same thread: 688 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 21, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, positive: 292, positive conditional: 0, positive unconditional: 292, 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: 3760, positive: 3072, positive conditional: 2780, positive unconditional: 292, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2720, positive unconditional: 352, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3072, positive: 2792, positive conditional: 2649, positive unconditional: 143, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 0, Independence queries for same thread: 688 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 26ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 26ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 26ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 25 for 26ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 847.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 10.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 357, 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, 234.6s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1239 ConstructedInterpolants, 61 QuantifiedInterpolants, 18819 SizeOfPredicates, 106 NumberOfNonLiveVariables, 1063 ConjunctsInSsa, 258 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 686/1744 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown