/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.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-4b0ab11 [2022-03-02 00:18:42,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 00:18:42,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 00:18:42,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 00:18:42,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 00:18:42,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 00:18:42,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 00:18:42,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 00:18:42,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 00:18:42,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 00:18:42,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 00:18:42,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 00:18:42,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 00:18:42,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 00:18:42,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 00:18:42,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 00:18:42,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 00:18:42,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 00:18:42,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 00:18:42,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 00:18:42,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 00:18:42,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 00:18:42,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 00:18:42,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 00:18:42,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 00:18:42,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 00:18:42,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 00:18:42,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 00:18:42,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 00:18:42,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 00:18:42,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 00:18:42,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 00:18:42,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 00:18:42,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 00:18:42,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 00:18:42,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 00:18:42,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 00:18:42,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 00:18:42,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 00:18:42,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 00:18:42,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 00:18:42,927 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-02 00:18:42,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 00:18:42,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 00:18:42,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 00:18:42,941 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 00:18:42,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 00:18:42,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 00:18:42,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 00:18:42,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 00:18:42,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 00:18:42,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 00:18:42,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:18:42,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 00:18:42,944 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-02 00:18:42,945 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 00:18:42,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 00:18:43,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 00:18:43,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 00:18:43,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 00:18:43,128 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 00:18:43,128 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 00:18:43,129 INFO L432 ainManager$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 [2022-03-02 00:18:43,129 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' [2022-03-02 00:18:43,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 00:18:43,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 00:18:43,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 00:18:43,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 00:18:43,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 00:18:43,166 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,171 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,180 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 00:18:43,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 00:18:43,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 00:18:43,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 00:18:43,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 00:18:43,192 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,192 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,193 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,193 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,194 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,196 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,197 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 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 00:18:43,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 00:18:43,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 00:18:43,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 00:18:43,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:43" (1/1) ... [2022-03-02 00:18:43,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:18:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:43,220 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) [2022-03-02 00:18:43,226 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 [2022-03-02 00:18:43,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 00:18:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 00:18:43,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 00:18:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 00:18:43,258 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 00:18:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 00:18:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 00:18:43,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 00:18:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 00:18:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 00:18:43,259 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 00:18:43,293 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 00:18:43,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 00:18:43,382 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 00:18:43,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 00:18:43,411 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 00:18:43,413 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:18:43 BoogieIcfgContainer [2022-03-02 00:18:43,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 00:18:43,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 00:18:43,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 00:18:43,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 00:18:43,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:43" (1/2) ... [2022-03-02 00:18:43,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd35e6c and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 12:18:43, skipping insertion in model container [2022-03-02 00:18:43,422 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 02.03 12:18:43" (2/2) ... [2022-03-02 00:18:43,423 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2022-03-02 00:18:43,426 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 00:18:43,426 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 00:18:43,426 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 00:18:43,426 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 00:18:43,465 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 00:18:43,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 00:18:43,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:43,518 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) [2022-03-02 00:18:43,519 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 [2022-03-02 00:18:43,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 00:18:43,562 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-02 00:18:43,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 00:18:43,791 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-03-02 00:18:43,793 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:43,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:43,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-03-02 00:18:43,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:43,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784289962] [2022-03-02 00:18:43,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:18:44,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:44,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784289962] [2022-03-02 00:18:44,061 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784289962] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:44,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10606356] [2022-03-02 00:18:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:44,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:44,063 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) [2022-03-02 00:18:44,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 00:18:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:44,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 00:18:44,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:18:44,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:18:44,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10606356] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:44,551 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:44,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-03-02 00:18:44,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412630548] [2022-03-02 00:18:44,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:44,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-02 00:18:44,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:44,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-02 00:18:44,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-03-02 00:18:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:44,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:44,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 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) [2022-03-02 00:18:44,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:45,025 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-03-02 00:18:45,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:45,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 00:18:45,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-02 00:18:45,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:45,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:45,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-03-02 00:18:45,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:45,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107145469] [2022-03-02 00:18:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:45,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:45,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:45,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107145469] [2022-03-02 00:18:45,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107145469] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:45,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633431963] [2022-03-02 00:18:45,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:18:45,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:45,352 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) [2022-03-02 00:18:45,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 00:18:45,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:18:45,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:45,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 00:18:45,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:45,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:45,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633431963] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:45,685 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:45,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-02 00:18:45,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289767487] [2022-03-02 00:18:45,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:45,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-02 00:18:45,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:45,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-02 00:18:45,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-02 00:18:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:45,689 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:45,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 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) [2022-03-02 00:18:45,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:45,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:46,018 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-03-02 00:18:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:18:46,037 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 00:18:46,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:46,232 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:46,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-03-02 00:18:46,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:46,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163793586] [2022-03-02 00:18:46,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:46,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:46,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163793586] [2022-03-02 00:18:46,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163793586] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:46,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808477265] [2022-03-02 00:18:46,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:18:46,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:46,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:46,743 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) [2022-03-02 00:18:46,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 00:18:46,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 00:18:46,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:46,785 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-02 00:18:46,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:47,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:47,616 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:18:47,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 87 [2022-03-02 00:18:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:47,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:48,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:48,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:48,817 INFO L353 Elim1Store]: treesize reduction 20, result has 78.9 percent of original size [2022-03-02 00:18:48,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 40 treesize of output 85 [2022-03-02 00:18:48,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:48,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:48,985 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 5 [2022-03-02 00:18:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:49,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808477265] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:49,153 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:49,153 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 38 [2022-03-02 00:18:49,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667417741] [2022-03-02 00:18:49,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:49,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 00:18:49,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:49,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 00:18:49,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 00:18:49,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:49,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:49,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 states have internal predecessors, (84), 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) [2022-03-02 00:18:49,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:49,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:18:49,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:57,702 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 455 transitions and produced 264 states. [2022-03-02 00:18:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:18:57,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:18:57,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 00:18:57,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:57,903 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:57,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:57,904 INFO L85 PathProgramCache]: Analyzing trace with hash 136490182, now seen corresponding path program 4 times [2022-03-02 00:18:57,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:57,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723914355] [2022-03-02 00:18:57,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:57,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:58,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:58,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723914355] [2022-03-02 00:18:58,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723914355] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:58,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437083459] [2022-03-02 00:18:58,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:18:58,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:58,456 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) [2022-03-02 00:18:58,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 00:18:58,509 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:18:58,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:58,510 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-02 00:18:58,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:59,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:59,201 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2022-03-02 00:18:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:59,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:59,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:59,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:59,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:00,079 INFO L353 Elim1Store]: treesize reduction 158, result has 65.3 percent of original size [2022-03-02 00:19:00,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 50 treesize of output 313 [2022-03-02 00:19:19,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:19,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:20,014 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:19:20,014 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 126 [2022-03-02 00:19:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:20,432 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437083459] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:19:20,432 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:19:20,432 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-03-02 00:19:20,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510923092] [2022-03-02 00:19:20,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:19:20,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-02 00:19:20,433 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:19:20,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-02 00:19:20,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1666, Unknown=0, NotChecked=0, Total=1806 [2022-03-02 00:19:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:20,434 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:19:20,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 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) [2022-03-02 00:19:20,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:20,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:20,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:19:20,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:30,898 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 509 transitions and produced 300 states. [2022-03-02 00:19:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:19:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:19:30,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 00:19:31,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:19:31,100 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:19:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:19:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1662599294, now seen corresponding path program 5 times [2022-03-02 00:19:31,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:19:31,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738196547] [2022-03-02 00:19:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:19:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:19:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:19:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:31,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:19:31,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738196547] [2022-03-02 00:19:31,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738196547] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:19:31,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719001147] [2022-03-02 00:19:31,747 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 00:19:31,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:19:31,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:19:31,748 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) [2022-03-02 00:19:31,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 00:19:31,820 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-02 00:19:31,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:19:31,822 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 57 conjunts are in the unsatisfiable core [2022-03-02 00:19:31,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:19:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:33,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:33,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:33,294 INFO L353 Elim1Store]: treesize reduction 216, result has 3.1 percent of original size [2022-03-02 00:19:33,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 219 treesize of output 106 [2022-03-02 00:19:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:33,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:19:34,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:35,274 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:19:35,275 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 118 treesize of output 581 [2022-03-02 00:25:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:25:53,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719001147] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:25:53,613 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:25:53,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 51 [2022-03-02 00:25:53,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117325269] [2022-03-02 00:25:53,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:25:53,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-03-02 00:25:53,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:25:53,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-03-02 00:25:53,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2022-03-02 00:25:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:25:53,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:25:53,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.1372549019607843) internal successors, (109), 51 states have internal predecessors, (109), 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) [2022-03-02 00:25:53,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:25:53,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:25:53,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:25:53,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:25:53,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:01,221 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 199 transitions and produced 183 states. [2022-03-02 00:26:01,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 00:26:01,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 00:26:01,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:01,464 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:26:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:26:01,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2079005886, now seen corresponding path program 6 times [2022-03-02 00:26:01,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:26:01,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658047184] [2022-03-02 00:26:01,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:26:01,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:26:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:01,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:26:01,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658047184] [2022-03-02 00:26:01,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658047184] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:26:01,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36702218] [2022-03-02 00:26:01,576 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:26:01,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:26:01,580 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) [2022-03-02 00:26:01,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 00:26:01,616 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 00:26:01,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:26:01,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 00:26:01,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:26:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:01,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:26:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:02,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36702218] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:26:02,179 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:26:02,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-02 00:26:02,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437833949] [2022-03-02 00:26:02,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:26:02,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-02 00:26:02,181 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:26:02,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-02 00:26:02,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-03-02 00:26:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:02,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:26:02,198 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) [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 00:26:02,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:03,321 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 247 transitions and produced 232 states. [2022-03-02 00:26:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 00:26:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 00:26:03,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 00:26:03,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:03,553 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:26:03,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:26:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash -713231340, now seen corresponding path program 7 times [2022-03-02 00:26:03,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:26:03,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346024873] [2022-03-02 00:26:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:26:03,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:26:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:03,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:26:03,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346024873] [2022-03-02 00:26:03,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346024873] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:26:03,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662356029] [2022-03-02 00:26:03,779 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 00:26:03,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:03,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:26:03,780 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) [2022-03-02 00:26:03,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 00:26:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:03,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-02 00:26:03,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:26:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 00:26:04,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:26:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 00:26:04,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662356029] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:26:04,340 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:26:04,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-03-02 00:26:04,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230694271] [2022-03-02 00:26:04,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:26:04,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-02 00:26:04,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:26:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-02 00:26:04,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-03-02 00:26:04,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:04,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:26:04,343 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) [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 00:26:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:07,698 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2333 transitions and produced 950 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 00:26:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:26:07,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 00:26:07,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-02 00:26:07,914 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:26:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:26:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1346980366, now seen corresponding path program 8 times [2022-03-02 00:26:07,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:26:07,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743821294] [2022-03-02 00:26:07,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:26:07,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:26:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:08,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:26:08,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743821294] [2022-03-02 00:26:08,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743821294] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:26:08,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313573668] [2022-03-02 00:26:08,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:26:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:08,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:26:08,140 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) [2022-03-02 00:26:08,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 00:26:08,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:26:08,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:26:08,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-02 00:26:08,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:26:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:26:08,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:26:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 00:26:08,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313573668] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:26:08,670 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:26:08,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 54 [2022-03-02 00:26:08,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988274021] [2022-03-02 00:26:08,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:26:08,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-02 00:26:08,671 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:26:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-02 00:26:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=2393, Unknown=0, NotChecked=0, Total=2862 [2022-03-02 00:26:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:08,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:26:08,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.388888888888889) internal successors, (129), 54 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-03-02 00:26:08,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:26:08,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:09,418 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2344 transitions and produced 961 states. [2022-03-02 00:26:09,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:26:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 00:26:09,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 00:26:09,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:09,636 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:26:09,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:26:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash -494438320, now seen corresponding path program 9 times [2022-03-02 00:26:09,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:26:09,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240521419] [2022-03-02 00:26:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:26:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:26:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:09,831 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:26:09,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240521419] [2022-03-02 00:26:09,831 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240521419] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:26:09,831 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673730277] [2022-03-02 00:26:09,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:26:09,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:09,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:26:09,833 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) [2022-03-02 00:26:09,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 00:26:09,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-03-02 00:26:09,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:26:09,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-02 00:26:09,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:26:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:10,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:26:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:10,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673730277] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:26:10,868 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:26:10,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 66 [2022-03-02 00:26:10,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665229761] [2022-03-02 00:26:10,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:26:10,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-03-02 00:26:10,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:26:10,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-03-02 00:26:10,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=768, Invalid=3522, Unknown=0, NotChecked=0, Total=4290 [2022-03-02 00:26:10,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:10,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:26:10,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.227272727272727) internal successors, (147), 66 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 00:26:10,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:26:11,576 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 452 transitions and produced 340 states. [2022-03-02 00:26:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:26:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:26:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 00:26:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 00:26:11,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 00:26:11,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 00:26:11,785 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:26:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:26:11,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1540285650, now seen corresponding path program 10 times [2022-03-02 00:26:11,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:26:11,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437491622] [2022-03-02 00:26:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:26:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:26:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:26:12,941 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:12,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:26:12,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437491622] [2022-03-02 00:26:12,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437491622] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:26:12,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370388194] [2022-03-02 00:26:12,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:26:12,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:26:12,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:26:12,943 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) [2022-03-02 00:26:12,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 00:26:12,985 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:26:12,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:26:12,993 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2022-03-02 00:26:12,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:26:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:26:15,093 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 [2022-03-02 00:26:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:26:15,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:26:17,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:17,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:26:21,776 INFO L353 Elim1Store]: treesize reduction 866, result has 61.2 percent of original size [2022-03-02 00:26:21,777 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... [2022-03-02 00:33:06,628 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 [2022-03-02 00:33:06,641 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 [2022-03-02 00:33:06,642 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:33:06,652 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 00:33:06,654 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:33:06,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-02 00:33:06,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-02 00:33:06,868 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. [2022-03-02 00:33:06,869 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:33:06,869 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:33:06,869 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:33:06,873 INFO L732 BasicCegarLoop]: Path program histogram: [10] [2022-03-02 00:33:06,874 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:33:06,874 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:33:06,875 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:33:06 BasicIcfg [2022-03-02 00:33:06,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:33:06,876 INFO L158 Benchmark]: Toolchain (without parser) took 863722.42ms. Allocated memory was 194.0MB in the beginning and 701.5MB in the end (delta: 507.5MB). Free memory was 156.8MB in the beginning and 402.6MB in the end (delta: -245.8MB). Peak memory consumption was 481.5MB. Max. memory is 8.0GB. [2022-03-02 00:33:06,876 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:33:06,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.07ms. Allocated memory is still 194.0MB. Free memory was 156.7MB in the beginning and 155.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:33:06,876 INFO L158 Benchmark]: Boogie Preprocessor took 13.72ms. Allocated memory is still 194.0MB. Free memory was 155.2MB in the beginning and 154.3MB in the end (delta: 990.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:33:06,876 INFO L158 Benchmark]: RCFGBuilder took 218.79ms. Allocated memory is still 194.0MB. Free memory was 154.2MB in the beginning and 144.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 00:33:06,876 INFO L158 Benchmark]: TraceAbstraction took 863457.19ms. Allocated memory was 194.0MB in the beginning and 701.5MB in the end (delta: 507.5MB). Free memory was 144.4MB in the beginning and 402.6MB in the end (delta: -258.2MB). Peak memory consumption was 470.0MB. Max. memory is 8.0GB. [2022-03-02 00:33:06,877 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 0.11ms. Allocated memory is still 194.0MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.07ms. Allocated memory is still 194.0MB. Free memory was 156.7MB in the beginning and 155.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.72ms. Allocated memory is still 194.0MB. Free memory was 155.2MB in the beginning and 154.3MB in the end (delta: 990.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 218.79ms. Allocated memory is still 194.0MB. Free memory was 154.2MB in the beginning and 144.9MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 863457.19ms. Allocated memory was 194.0MB in the beginning and 701.5MB in the end (delta: 507.5MB). Free memory was 144.4MB in the beginning and 402.6MB in the end (delta: -258.2MB). Peak memory consumption was 470.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 20ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 863.4s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 33.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 616, 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, 411.9s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1161 ConstructedInterpolants, 22 QuantifiedInterpolants, 18436 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1017 ConjunctsInSsa, 251 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 871/2193 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