/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 01:59:12,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 01:59:12,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 01:59:12,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 01:59:12,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 01:59:12,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 01:59:12,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 01:59:12,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 01:59:12,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 01:59:12,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 01:59:12,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 01:59:12,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 01:59:12,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 01:59:12,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 01:59:12,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 01:59:12,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 01:59:12,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 01:59:12,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 01:59:12,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 01:59:12,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 01:59:12,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 01:59:12,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 01:59:12,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 01:59:12,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 01:59:12,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 01:59:12,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 01:59:12,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 01:59:12,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 01:59:12,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 01:59:12,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 01:59:12,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 01:59:12,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 01:59:12,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 01:59:12,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 01:59:12,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 01:59:12,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 01:59:12,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 01:59:12,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 01:59:12,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 01:59:12,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 01:59:12,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 01:59:12,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-22 01:59:12,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 01:59:12,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 01:59:12,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 01:59:12,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 01:59:12,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 01:59:12,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 01:59:12,829 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 01:59:12,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 01:59:12,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 01:59:12,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 01:59:12,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 01:59:12,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 01:59:12,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 01:59:12,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 01:59:12,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 01:59:12,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 01:59:12,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 01:59:12,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 01:59:12,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 01:59:12,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 01:59:12,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 01:59:12,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:59:12,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 01:59:12,850 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 01:59:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 01:59:12,851 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 01:59:12,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 01:59:12,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 01:59:12,851 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 01:59:12,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 01:59:13,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 01:59:13,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 01:59:13,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 01:59:13,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 01:59:13,187 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 01:59:13,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl [2021-08-22 01:59:13,188 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/buffer-mult-alt.wvr.bpl' [2021-08-22 01:59:13,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 01:59:13,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 01:59:13,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 01:59:13,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 01:59:13,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 01:59:13,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 01:59:13,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 01:59:13,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 01:59:13,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 01:59:13,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 01:59:13,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 01:59:13,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 01:59:13,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 01:59:13,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/1) ... [2021-08-22 01:59:13,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:59:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:13,290 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) [2021-08-22 01:59:13,307 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 [2021-08-22 01:59:13,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 01:59:13,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 01:59:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 01:59:13,326 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 01:59:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 01:59:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 01:59:13,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 01:59:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 01:59:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 01:59:13,327 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 01:59:13,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 01:59:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 01:59:13,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-22 01:59:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-22 01:59:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-22 01:59:13,329 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 01:59:13,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 01:59:13,547 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 01:59:13,548 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:59:13 BoogieIcfgContainer [2021-08-22 01:59:13,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 01:59:13,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 01:59:13,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 01:59:13,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 01:59:13,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:59:13" (1/2) ... [2021-08-22 01:59:13,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5151ad8c and model type buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:59:13, skipping insertion in model container [2021-08-22 01:59:13,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:59:13" (2/2) ... [2021-08-22 01:59:13,557 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult-alt.wvr.bpl [2021-08-22 01:59:13,562 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 01:59:13,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 01:59:13,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 01:59:13,562 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 01:59:13,629 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-22 01:59:13,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 01:59:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:13,667 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) [2021-08-22 01:59:13,688 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 [2021-08-22 01:59:13,698 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 01:59:13,704 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, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 01:59:13,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-22 01:59:14,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:14,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash 247201663, now seen corresponding path program 1 times [2021-08-22 01:59:14,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:14,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347167771] [2021-08-22 01:59:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:14,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-22 01:59:14,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:14,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347167771] [2021-08-22 01:59:14,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347167771] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:59:14,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 01:59:14,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 01:59:14,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113373765] [2021-08-22 01:59:14,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 01:59:14,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:14,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 01:59:14,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 01:59:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:14,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:59:14,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 01:59:14,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:14,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:14,394 INFO L82 PathProgramCache]: Analyzing trace with hash 507536779, now seen corresponding path program 2 times [2021-08-22 01:59:14,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:14,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401544931] [2021-08-22 01:59:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:14,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-08-22 01:59:14,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:14,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401544931] [2021-08-22 01:59:14,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401544931] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:59:14,481 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 01:59:14,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 01:59:14,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109727579] [2021-08-22 01:59:14,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 01:59:14,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:14,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 01:59:14,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 01:59:14,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:14,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-08-22 01:59:14,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 01:59:14,523 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:14,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:14,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1595712303, now seen corresponding path program 3 times [2021-08-22 01:59:14,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:14,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104997463] [2021-08-22 01:59:14,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:14,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-22 01:59:14,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:14,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104997463] [2021-08-22 01:59:14,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104997463] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:59:14,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 01:59:14,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 01:59:14,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964975559] [2021-08-22 01:59:14,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 01:59:14,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 01:59:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 01:59:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:14,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-08-22 01:59:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:14,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 01:59:14,604 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:14,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2030045581, now seen corresponding path program 4 times [2021-08-22 01:59:14,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:14,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575669980] [2021-08-22 01:59:14,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:14,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-22 01:59:14,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:14,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575669980] [2021-08-22 01:59:14,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575669980] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:14,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938580128] [2021-08-22 01:59:14,688 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 01:59:14,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:14,689 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) [2021-08-22 01:59:14,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-22 01:59:14,790 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 01:59:14,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:14,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 01:59:14,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-22 01:59:15,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938580128] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:15,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:59:15,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 4 [2021-08-22 01:59:15,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653394868] [2021-08-22 01:59:15,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-22 01:59:15,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:15,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-22 01:59:15,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-22 01:59:15,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:15,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:15,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:59:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:15,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:15,397 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,SelfDestructingSolverStorable3 [2021-08-22 01:59:15,397 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:15,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:15,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1110468834, now seen corresponding path program 5 times [2021-08-22 01:59:15,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:15,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227068812] [2021-08-22 01:59:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:15,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-08-22 01:59:15,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:15,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227068812] [2021-08-22 01:59:15,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227068812] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:15,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918437410] [2021-08-22 01:59:15,521 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 01:59:15,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:15,529 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) [2021-08-22 01:59:15,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-22 01:59:15,625 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-22 01:59:15,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:15,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-22 01:59:15,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 64 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-22 01:59:15,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918437410] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:15,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:59:15,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-08-22 01:59:15,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703537257] [2021-08-22 01:59:15,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 01:59:15,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 01:59:15,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-22 01:59:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:15,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:15,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:59:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:15,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:15,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:15,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:16,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:16,181 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:16,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:16,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1380549360, now seen corresponding path program 6 times [2021-08-22 01:59:16,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:16,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076094214] [2021-08-22 01:59:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:16,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:59:16,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:16,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076094214] [2021-08-22 01:59:16,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076094214] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:16,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817378926] [2021-08-22 01:59:16,985 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 01:59:16,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:16,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:16,989 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) [2021-08-22 01:59:17,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-22 01:59:17,141 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-22 01:59:17,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:17,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 42 conjunts are in the unsatisfiable core [2021-08-22 01:59:17,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:18,887 INFO L354 Elim1Store]: treesize reduction 98, result has 6.7 percent of original size [2021-08-22 01:59:18,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 46 [2021-08-22 01:59:19,591 INFO L354 Elim1Store]: treesize reduction 38, result has 63.8 percent of original size [2021-08-22 01:59:19,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 101 [2021-08-22 01:59:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:59:20,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817378926] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:20,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:59:20,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2021-08-22 01:59:20,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14149405] [2021-08-22 01:59:20,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-22 01:59:20,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-22 01:59:20,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2021-08-22 01:59:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:20,132 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:20,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 31 states have internal predecessors, (99), 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) [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:20,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:26,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-22 01:59:26,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:26,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:26,917 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:26,917 INFO L82 PathProgramCache]: Analyzing trace with hash -419800729, now seen corresponding path program 7 times [2021-08-22 01:59:26,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:26,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441805262] [2021-08-22 01:59:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:26,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 40 proven. 21 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-22 01:59:27,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:27,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441805262] [2021-08-22 01:59:27,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441805262] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:27,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819585942] [2021-08-22 01:59:27,019 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 01:59:27,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:27,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:27,025 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) [2021-08-22 01:59:27,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-22 01:59:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:27,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-22 01:59:27,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 30 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 01:59:27,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819585942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:27,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:59:27,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-08-22 01:59:27,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128080320] [2021-08-22 01:59:27,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-22 01:59:27,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:27,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-22 01:59:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-08-22 01:59:27,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:27,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:27,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.111111111111111) internal successors, (92), 17 states have internal predecessors, (92), 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) [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-22 01:59:27,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:30,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:30,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:30,391 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:30,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:30,392 INFO L82 PathProgramCache]: Analyzing trace with hash 258524546, now seen corresponding path program 8 times [2021-08-22 01:59:30,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:30,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020954665] [2021-08-22 01:59:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 278 proven. 110 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-08-22 01:59:30,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:30,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020954665] [2021-08-22 01:59:30,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020954665] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:30,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556622777] [2021-08-22 01:59:30,584 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:59:30,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:30,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:30,586 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) [2021-08-22 01:59:30,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-22 01:59:30,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:59:30,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-22 01:59:30,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:32,405 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 94 proven. 475 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-22 01:59:32,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556622777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:32,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:59:32,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 24] total 30 [2021-08-22 01:59:32,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059361690] [2021-08-22 01:59:32,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-22 01:59:32,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:32,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-22 01:59:32,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=777, Unknown=0, NotChecked=0, Total=930 [2021-08-22 01:59:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:32,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:32,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.225806451612903) internal successors, (162), 30 states have internal predecessors, (162), 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) [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:32,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:59:33,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:33,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:33,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:33,499 INFO L82 PathProgramCache]: Analyzing trace with hash 997795232, now seen corresponding path program 9 times [2021-08-22 01:59:33,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:33,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358071825] [2021-08-22 01:59:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:33,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 287 proven. 410 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-08-22 01:59:33,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:33,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358071825] [2021-08-22 01:59:33,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358071825] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:33,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122482059] [2021-08-22 01:59:33,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:59:33,686 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:33,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:33,686 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) [2021-08-22 01:59:33,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-22 01:59:34,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-22 01:59:34,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:34,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 01:59:34,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2021-08-22 01:59:34,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122482059] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:59:34,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 01:59:34,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2021-08-22 01:59:34,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137922844] [2021-08-22 01:59:34,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 01:59:34,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:34,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 01:59:34,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-08-22 01:59:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:34,420 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:34,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-08-22 01:59:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:34,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:34,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:34,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:34,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:59:34,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 01:59:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 01:59:34,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 01:59:35,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:35,127 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:35,127 INFO L82 PathProgramCache]: Analyzing trace with hash -112690026, now seen corresponding path program 10 times [2021-08-22 01:59:35,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:35,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498982127] [2021-08-22 01:59:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:35,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-08-22 01:59:35,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:35,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498982127] [2021-08-22 01:59:35,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498982127] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 01:59:35,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 01:59:35,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-22 01:59:35,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578781969] [2021-08-22 01:59:35,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 01:59:35,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:59:35,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 01:59:35,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-22 01:59:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:35,190 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:59:35,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-08-22 01:59:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 01:59:35,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:59:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-22 01:59:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 01:59:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 01:59:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 01:59:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 01:59:35,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-22 01:59:35,355 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 01:59:35,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:59:35,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1196995091, now seen corresponding path program 11 times [2021-08-22 01:59:35,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:59:35,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57974063] [2021-08-22 01:59:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:59:35,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:59:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:59:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 17 proven. 465 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-08-22 01:59:37,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:59:37,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57974063] [2021-08-22 01:59:37,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57974063] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:59:37,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434909856] [2021-08-22 01:59:37,088 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 01:59:37,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:59:37,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:59:37,094 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) [2021-08-22 01:59:37,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-22 01:59:37,596 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-08-22 01:59:37,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:59:37,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 129 conjunts are in the unsatisfiable core [2021-08-22 01:59:37,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:59:52,056 INFO L354 Elim1Store]: treesize reduction 1674, result has 24.1 percent of original size [2021-08-22 01:59:52,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 200 treesize of output 654 [2021-08-22 02:00:36,180 INFO L354 Elim1Store]: treesize reduction 2050, result has 23.8 percent of original size [2021-08-22 02:00:36,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1816 treesize of output 1908 [2021-08-22 02:03:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 1 proven. 541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 02:03:06,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434909856] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:03:06,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 02:03:06,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 46] total 73 [2021-08-22 02:03:06,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420470391] [2021-08-22 02:03:06,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2021-08-22 02:03:06,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 02:03:06,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-08-22 02:03:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=5153, Unknown=1, NotChecked=0, Total=5402 [2021-08-22 02:03:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:03:06,563 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 02:03:06,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.864864864864865) internal successors, (212), 73 states have internal predecessors, (212), 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) [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 02:03:06,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-08-22 02:04:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 02:04:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 02:04:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-08-22 02:04:03,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-22 02:04:04,118 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,SelfDestructingSolverStorable10 [2021-08-22 02:04:04,118 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-22 02:04:04,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 02:04:04,119 INFO L82 PathProgramCache]: Analyzing trace with hash -113453591, now seen corresponding path program 12 times [2021-08-22 02:04:04,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 02:04:04,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825366482] [2021-08-22 02:04:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 02:04:04,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 02:04:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 02:04:06,302 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 6 proven. 543 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-08-22 02:04:06,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 02:04:06,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825366482] [2021-08-22 02:04:06,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825366482] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 02:04:06,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705817759] [2021-08-22 02:04:06,303 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 02:04:06,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:04:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 02:04:06,304 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) [2021-08-22 02:04:06,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-22 02:04:07,475 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-08-22 02:04:07,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 02:04:07,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 142 conjunts are in the unsatisfiable core [2021-08-22 02:04:07,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 02:04:30,241 INFO L354 Elim1Store]: treesize reduction 356, result has 57.7 percent of original size [2021-08-22 02:04:30,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 252 treesize of output 666 Received shutdown request... [2021-08-22 02:13:34,643 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 [2021-08-22 02:13:34,652 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-22 02:13:34,654 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 02:13:34,660 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 [2021-08-22 02:13:34,661 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 02:13:34,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-22 02:13:34,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 02:13:34,877 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. [2021-08-22 02:13:34,879 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 02:13:34,879 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 02:13:34,879 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 02:13:34,879 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-22 02:13:34,905 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 02:13:34,905 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 02:13:34,917 INFO L202 PluginConnector]: Adding new model buffer-mult-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:13:34 BasicIcfg [2021-08-22 02:13:34,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 02:13:34,918 INFO L168 Benchmark]: Toolchain (without parser) took 861702.23 ms. Allocated memory was 173.0 MB in the beginning and 715.1 MB in the end (delta: 542.1 MB). Free memory was 154.2 MB in the beginning and 227.1 MB in the end (delta: -72.9 MB). Peak memory consumption was 522.8 MB. Max. memory is 8.0 GB. [2021-08-22 02:13:34,919 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 173.0 MB. Free memory is still 155.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 02:13:34,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.68 ms. Allocated memory is still 173.0 MB. Free memory was 154.1 MB in the beginning and 152.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 02:13:34,919 INFO L168 Benchmark]: Boogie Preprocessor took 14.46 ms. Allocated memory is still 173.0 MB. Free memory was 152.6 MB in the beginning and 151.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 02:13:34,919 INFO L168 Benchmark]: RCFGBuilder took 284.22 ms. Allocated memory is still 173.0 MB. Free memory was 151.6 MB in the beginning and 136.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-22 02:13:34,920 INFO L168 Benchmark]: TraceAbstraction took 861367.48 ms. Allocated memory was 173.0 MB in the beginning and 715.1 MB in the end (delta: 542.1 MB). Free memory was 135.5 MB in the beginning and 227.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 503.9 MB. Max. memory is 8.0 GB. [2021-08-22 02:13:34,921 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 0.11 ms. Allocated memory is still 173.0 MB. Free memory is still 155.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.68 ms. Allocated memory is still 173.0 MB. Free memory was 154.1 MB in the beginning and 152.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.46 ms. Allocated memory is still 173.0 MB. Free memory was 152.6 MB in the beginning and 151.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.22 ms. Allocated memory is still 173.0 MB. Free memory was 151.6 MB in the beginning and 136.0 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 861367.48 ms. Allocated memory was 173.0 MB in the beginning and 715.1 MB in the end (delta: 542.1 MB). Free memory was 135.5 MB in the beginning and 227.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 503.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 59905, positive: 55324, positive conditional: 55324, positive unconditional: 0, negative: 4581, negative conditional: 4581, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 56198, positive: 55324, positive conditional: 55324, positive unconditional: 0, negative: 874, negative conditional: 874, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 56198, positive: 55324, positive conditional: 55324, positive unconditional: 0, negative: 874, negative conditional: 874, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62116, positive: 55324, positive conditional: 53138, positive unconditional: 2186, negative: 6792, negative conditional: 5918, negative unconditional: 874, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62116, positive: 55324, positive conditional: 28943, positive unconditional: 26381, negative: 6792, negative conditional: 2996, negative unconditional: 3796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62116, positive: 55324, positive conditional: 28943, positive unconditional: 26381, negative: 6792, negative conditional: 2996, negative unconditional: 3796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 573, positive: 379, positive conditional: 101, positive unconditional: 278, negative: 194, negative conditional: 184, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 573, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 285, positive: 91, positive conditional: 79, positive unconditional: 12, negative: 194, negative conditional: 184, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 788, positive: 357, positive conditional: 276, positive unconditional: 81, negative: 431, negative conditional: 349, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62116, positive: 54945, positive conditional: 28842, positive unconditional: 26103, negative: 6598, negative conditional: 2812, negative unconditional: 3786, unknown: 573, unknown conditional: 285, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 573, Positive cache size: 379, Positive conditional cache size: 101, Positive unconditional cache size: 278, Negative cache size: 194, Negative conditional cache size: 184, Negative unconditional cache size: 10, Eliminated conditions: 27117, Maximal queried relation: 10, Independence queries for same thread: 3707 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 74]: 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 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 76]: 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 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 74]: 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 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - TimeoutResultAtElement [Line: 75]: 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 135 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 861239.2ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 68385.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 220, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 100.1ms SsaConstructionTime, 687.0ms SatisfiabilityAnalysisTime, 218075.1ms InterpolantComputationTime, 1552 NumberOfCodeBlocks, 1439 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1534 ConstructedInterpolants, 23 QuantifiedInterpolants, 27542 SizeOfPredicates, 20 NumberOfNonLiveVariables, 1480 ConjunctsInSsa, 230 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 3210/5413 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