/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/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 01:31:58,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 01:31:58,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 01:31:58,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 01:31:58,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 01:31:58,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 01:31:58,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 01:31:58,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 01:31:58,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 01:31:58,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 01:31:58,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 01:31:58,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 01:31:58,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 01:31:58,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 01:31:58,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 01:31:58,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 01:31:58,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 01:31:58,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 01:31:58,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 01:31:58,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 01:31:58,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 01:31:58,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 01:31:58,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 01:31:58,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 01:31:58,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 01:31:58,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 01:31:58,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 01:31:58,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 01:31:58,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 01:31:58,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 01:31:58,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 01:31:58,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 01:31:58,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 01:31:58,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 01:31:58,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 01:31:58,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 01:31:58,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 01:31:58,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 01:31:58,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 01:31:58,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 01:31:58,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 01:31:58,828 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 01:31:58,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 01:31:58,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 01:31:58,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 01:31:58,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 01:31:58,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 01:31:58,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 01:31:58,844 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 01:31:58,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 01:31:58,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 01:31:58,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 01:31:58,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 01:31:58,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 01:31:58,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:31:58,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 01:31:58,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 01:31:58,847 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 01:31:58,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 01:31:59,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 01:31:59,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 01:31:59,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 01:31:59,043 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 01:31:59,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 01:31:59,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2021-08-22 01:31:59,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2021-08-22 01:31:59,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 01:31:59,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 01:31:59,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 01:31:59,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 01:31:59,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 01:31:59,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 01:31:59,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 01:31:59,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 01:31:59,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 01:31:59,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 01:31:59,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 01:31:59,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 01:31:59,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 01:31:59,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/1) ... [2021-08-22 01:31:59,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 01:31:59,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:31:59,138 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 01:31:59,164 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 01:31:59,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 01:31:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 01:31:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 01:31:59,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 01:31:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 01:31:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 01:31:59,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 01:31:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 01:31:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 01:31:59,186 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 01:31:59,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 01:31:59,308 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 01:31:59,309 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:31:59 BoogieIcfgContainer [2021-08-22 01:31:59,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 01:31:59,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 01:31:59,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 01:31:59,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 01:31:59,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 01:31:59" (1/2) ... [2021-08-22 01:31:59,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79aaedf3 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:31:59, skipping insertion in model container [2021-08-22 01:31:59,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:31:59" (2/2) ... [2021-08-22 01:31:59,313 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2021-08-22 01:31:59,316 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 01:31:59,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 01:31:59,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 01:31:59,317 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 01:31:59,340 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-22 01:31:59,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 01:31:59,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:31:59,394 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 01:31:59,395 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 01:31:59,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 01:31:59,418 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 01:31:59,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-22 01:31:59,464 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:31:59,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:31:59,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1363007188, now seen corresponding path program 1 times [2021-08-22 01:31:59,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:31:59,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920748051] [2021-08-22 01:31:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:31:59,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:31:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:31:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:31:59,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:31:59,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920748051] [2021-08-22 01:31:59,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920748051] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:31:59,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983568386] [2021-08-22 01:31:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:31:59,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:31:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:31:59,639 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 01:31:59,640 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 01:31:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:31:59,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 01:31:59,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:31:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:31:59,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983568386] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:31:59,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:31:59,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-22 01:31:59,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045185718] [2021-08-22 01:31:59,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 01:31:59,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:31:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 01:31:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-22 01:31:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:31:59,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:31:59,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 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 01:31:59,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:31:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:31:59,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-22 01:32:00,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-22 01:32:00,170 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:00,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:00,171 INFO L82 PathProgramCache]: Analyzing trace with hash -591947326, now seen corresponding path program 2 times [2021-08-22 01:32:00,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:00,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198110168] [2021-08-22 01:32:00,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:00,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:00,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:00,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198110168] [2021-08-22 01:32:00,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198110168] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:00,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318427] [2021-08-22 01:32:00,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:32:00,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:00,247 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 01:32:00,248 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 01:32:00,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:32:00,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:32:00,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-22 01:32:00,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:00,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318427] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:00,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:00,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-08-22 01:32:00,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701374097] [2021-08-22 01:32:00,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 01:32:00,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:00,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 01:32:00,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-22 01:32:00,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:00,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:00,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 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 01:32:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:00,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:00,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:00,577 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 01:32:00,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:00,774 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:00,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:00,775 INFO L82 PathProgramCache]: Analyzing trace with hash 351422571, now seen corresponding path program 3 times [2021-08-22 01:32:00,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:00,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860687134] [2021-08-22 01:32:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:00,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:00,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:00,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860687134] [2021-08-22 01:32:00,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860687134] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:00,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609205942] [2021-08-22 01:32:00,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:32:00,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:00,966 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 01:32:00,967 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 01:32:01,011 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-08-22 01:32:01,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:32:01,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-22 01:32:01,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:01,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-22 01:32:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:01,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609205942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:01,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:01,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2021-08-22 01:32:01,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292267175] [2021-08-22 01:32:01,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 01:32:01,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 01:32:01,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-08-22 01:32:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:01,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:01,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 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 01:32:01,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:01,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:01,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:01,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:01,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-22 01:32:01,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:01,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:01,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:01,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1662123966, now seen corresponding path program 1 times [2021-08-22 01:32:01,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:01,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184354605] [2021-08-22 01:32:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:01,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:02,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:02,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184354605] [2021-08-22 01:32:02,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184354605] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:02,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855173993] [2021-08-22 01:32:02,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:02,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:02,291 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 01:32:02,304 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 01:32:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:02,388 WARN L261 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 39 conjunts are in the unsatisfiable core [2021-08-22 01:32:02,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:03,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-08-22 01:32:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:03,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855173993] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:03,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:03,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15] total 30 [2021-08-22 01:32:03,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763696672] [2021-08-22 01:32:03,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-22 01:32:03,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:03,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-22 01:32:03,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2021-08-22 01:32:03,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:03,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:03,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.032258064516129) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:32:03,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:03,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:03,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:03,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:04,480 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 01:32:04,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:04,662 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash 86448462, now seen corresponding path program 2 times [2021-08-22 01:32:04,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:04,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623849839] [2021-08-22 01:32:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:04,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 01:32:05,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:05,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623849839] [2021-08-22 01:32:05,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623849839] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:05,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265698984] [2021-08-22 01:32:05,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:32:05,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:05,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:05,474 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 01:32:05,488 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 01:32:05,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:32:05,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:32:05,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 56 conjunts are in the unsatisfiable core [2021-08-22 01:32:05,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:07,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:07,161 INFO L354 Elim1Store]: treesize reduction 38, result has 55.3 percent of original size [2021-08-22 01:32:07,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 63 treesize of output 77 [2021-08-22 01:32:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:07,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265698984] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:07,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:07,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26] total 47 [2021-08-22 01:32:07,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481558513] [2021-08-22 01:32:07,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-08-22 01:32:07,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:07,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-08-22 01:32:07,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=348, Invalid=1908, Unknown=0, NotChecked=0, Total=2256 [2021-08-22 01:32:07,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:07,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:07,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.0833333333333335) internal successors, (100), 47 states have internal predecessors, (100), 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 01:32:07,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:07,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:07,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:07,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:07,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:10,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:32:10,383 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 01:32:10,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:10,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:10,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:10,568 INFO L82 PathProgramCache]: Analyzing trace with hash -754592266, now seen corresponding path program 1 times [2021-08-22 01:32:10,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:10,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597360333] [2021-08-22 01:32:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:10,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-08-22 01:32:11,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:11,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597360333] [2021-08-22 01:32:11,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597360333] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:11,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100131988] [2021-08-22 01:32:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:11,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:11,403 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 01:32:11,411 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 01:32:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:11,679 WARN L261 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 71 conjunts are in the unsatisfiable core [2021-08-22 01:32:11,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:13,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 27 [2021-08-22 01:32:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:13,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100131988] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:13,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:13,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 31] total 49 [2021-08-22 01:32:13,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286202088] [2021-08-22 01:32:13,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-08-22 01:32:13,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:13,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-08-22 01:32:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=2126, Unknown=0, NotChecked=0, Total=2450 [2021-08-22 01:32:13,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:13,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:13,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.16) internal successors, (108), 49 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 01:32:13,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:13,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:13,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:13,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:13,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:32:13,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:18,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:32:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:32:18,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-22 01:32:18,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:18,680 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:18,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:18,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1633708734, now seen corresponding path program 2 times [2021-08-22 01:32:18,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:18,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218199375] [2021-08-22 01:32:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:18,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-08-22 01:32:19,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:19,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218199375] [2021-08-22 01:32:19,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218199375] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:19,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429394177] [2021-08-22 01:32:19,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:32:19,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:19,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:19,849 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 01:32:19,849 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 01:32:20,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:32:20,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:32:20,274 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 96 conjunts are in the unsatisfiable core [2021-08-22 01:32:20,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:23,773 INFO L354 Elim1Store]: treesize reduction 88, result has 52.4 percent of original size [2021-08-22 01:32:23,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 19 case distinctions, treesize of input 114 treesize of output 138 [2021-08-22 01:32:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:32:24,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429394177] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:24,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:32:24,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 46] total 66 [2021-08-22 01:32:24,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054272534] [2021-08-22 01:32:24,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-08-22 01:32:24,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:32:24,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-08-22 01:32:24,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=3932, Unknown=0, NotChecked=0, Total=4422 [2021-08-22 01:32:24,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:24,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:32:24,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.014925373134328) internal successors, (135), 66 states have internal predecessors, (135), 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 01:32:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:24,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:32:24,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:32:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:32:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:32:30,152 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 01:32:30,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-08-22 01:32:30,310 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:32:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:32:30,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1551763334, now seen corresponding path program 3 times [2021-08-22 01:32:30,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:32:30,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298629930] [2021-08-22 01:32:30,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:32:30,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:32:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:32:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 357 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-08-22 01:32:31,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:32:31,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298629930] [2021-08-22 01:32:31,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298629930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:32:31,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415545754] [2021-08-22 01:32:31,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:32:31,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:32:31,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:32:31,941 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 01:32:31,944 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 01:32:32,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-08-22 01:32:32,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:32:32,592 WARN L261 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 121 conjunts are in the unsatisfiable core [2021-08-22 01:32:32,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:32:37,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:37,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:32:45,379 WARN L207 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 940 DAG size of output: 720 [2021-08-22 01:32:45,386 INFO L354 Elim1Store]: treesize reduction 900, result has 64.4 percent of original size [2021-08-22 01:32:45,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 56 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 220 case distinctions, treesize of input 144 treesize of output 1672 [2021-08-22 01:44:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 638 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:44:46,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415545754] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:44:46,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:44:46,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 59] total 82 [2021-08-22 01:44:46,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636156846] [2021-08-22 01:44:46,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2021-08-22 01:44:46,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:44:46,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-08-22 01:44:46,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=6443, Unknown=0, NotChecked=0, Total=6806 [2021-08-22 01:44:46,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:44:46,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:44:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.0120481927710845) internal successors, (167), 82 states have internal predecessors, (167), 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 01:44:46,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:44:46,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:45:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:45:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:45:06,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-22 01:45:06,656 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 01:45:06,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:45:06,835 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:45:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:45:06,836 INFO L82 PathProgramCache]: Analyzing trace with hash 282957427, now seen corresponding path program 1 times [2021-08-22 01:45:06,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:45:06,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652563482] [2021-08-22 01:45:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:45:06,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:45:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:45:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-08-22 01:45:08,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:45:08,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652563482] [2021-08-22 01:45:08,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652563482] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:45:08,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286281301] [2021-08-22 01:45:08,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:45:08,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:45:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:45:08,486 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:45:08,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-22 01:45:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:45:09,320 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 137 conjunts are in the unsatisfiable core [2021-08-22 01:45:09,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:45:15,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 42 [2021-08-22 01:45:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 842 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:45:15,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286281301] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:45:15,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:45:15,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 64] total 91 [2021-08-22 01:45:15,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303631791] [2021-08-22 01:45:15,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2021-08-22 01:45:15,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:45:15,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2021-08-22 01:45:15,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=881, Invalid=7491, Unknown=0, NotChecked=0, Total=8372 [2021-08-22 01:45:15,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:45:15,635 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:45:15,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.097826086956522) internal successors, (193), 91 states have internal predecessors, (193), 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 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-22 01:45:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:45:24,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:45:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:45:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-22 01:45:24,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-08-22 01:45:24,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-22 01:45:24,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-22 01:45:24,837 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:45:24,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:45:24,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1436196179, now seen corresponding path program 2 times [2021-08-22 01:45:24,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:45:24,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079709989] [2021-08-22 01:45:24,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:45:24,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:45:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:45:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2021-08-22 01:45:26,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:45:26,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079709989] [2021-08-22 01:45:26,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079709989] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:45:26,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141172515] [2021-08-22 01:45:26,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 01:45:26,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:45:26,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:45:26,770 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:45:26,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-22 01:45:27,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 01:45:27,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:45:27,896 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 170 conjunts are in the unsatisfiable core [2021-08-22 01:45:27,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:45:37,486 INFO L354 Elim1Store]: treesize reduction 144, result has 51.5 percent of original size [2021-08-22 01:45:37,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 153 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 37 case distinctions, treesize of input 133 treesize of output 209 [2021-08-22 01:45:38,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 01:45:38,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141172515] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:45:38,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 01:45:38,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 83] total 110 [2021-08-22 01:45:38,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074269601] [2021-08-22 01:45:38,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2021-08-22 01:45:38,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 01:45:38,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-08-22 01:45:38,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1073, Invalid=11137, Unknown=0, NotChecked=0, Total=12210 [2021-08-22 01:45:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:45:38,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 01:45:38,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 2.0) internal successors, (222), 110 states have internal predecessors, (222), 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 01:45:38,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2021-08-22 01:45:38,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-08-22 01:45:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2021-08-22 01:45:54,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2021-08-22 01:45:55,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-22 01:45:55,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-22 01:45:55,177 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 01:45:55,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 01:45:55,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1135207419, now seen corresponding path program 3 times [2021-08-22 01:45:55,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 01:45:55,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448098041] [2021-08-22 01:45:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 01:45:55,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 01:45:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 01:45:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 0 proven. 1008 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2021-08-22 01:45:57,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 01:45:57,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448098041] [2021-08-22 01:45:57,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448098041] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 01:45:57,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491652149] [2021-08-22 01:45:57,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 01:45:57,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 01:45:57,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 01:45:57,446 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-22 01:45:57,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-22 01:45:58,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2021-08-22 01:45:58,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 01:45:58,975 WARN L261 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 195 conjunts are in the unsatisfiable core [2021-08-22 01:45:58,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 01:46:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-22 01:46:15,059 INFO L244 Elim1Store]: Index analysis took 188 ms Received shutdown request... [2021-08-22 01:46:28,321 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 01:46:28,322 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 01:46:28,323 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-22 01:46:28,334 WARN L223 SmtUtils]: Removed 342 from assertion stack [2021-08-22 01:46:28,336 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 01:46:28,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-22 01:46:28,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-22 01:46:28,553 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 192 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2685 for 13236ms.. [2021-08-22 01:46:28,554 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 01:46:28,554 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 01:46:28,572 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 01:46:28,572 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 01:46:28,573 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:46:28 BasicIcfg [2021-08-22 01:46:28,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 01:46:28,574 INFO L168 Benchmark]: Toolchain (without parser) took 869512.72 ms. Allocated memory was 127.9 MB in the beginning and 1.0 GB in the end (delta: 913.3 MB). Free memory was 107.5 MB in the beginning and 768.0 MB in the end (delta: -660.5 MB). Peak memory consumption was 682.2 MB. Max. memory is 8.0 GB. [2021-08-22 01:46:28,574 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 127.9 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 01:46:28,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.15 ms. Allocated memory is still 127.9 MB. Free memory was 107.3 MB in the beginning and 105.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 01:46:28,575 INFO L168 Benchmark]: Boogie Preprocessor took 15.32 ms. Allocated memory is still 127.9 MB. Free memory was 105.9 MB in the beginning and 104.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 01:46:28,575 INFO L168 Benchmark]: RCFGBuilder took 213.36 ms. Allocated memory is still 127.9 MB. Free memory was 104.9 MB in the beginning and 92.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-22 01:46:28,575 INFO L168 Benchmark]: TraceAbstraction took 869263.56 ms. Allocated memory was 127.9 MB in the beginning and 1.0 GB in the end (delta: 913.3 MB). Free memory was 91.9 MB in the beginning and 768.0 MB in the end (delta: -676.0 MB). Peak memory consumption was 666.5 MB. Max. memory is 8.0 GB. [2021-08-22 01:46:28,576 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 0.10 ms. Allocated memory is still 127.9 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.15 ms. Allocated memory is still 127.9 MB. Free memory was 107.3 MB in the beginning and 105.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.32 ms. Allocated memory is still 127.9 MB. Free memory was 105.9 MB in the beginning and 104.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 213.36 ms. Allocated memory is still 127.9 MB. Free memory was 104.9 MB in the beginning and 92.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869263.56 ms. Allocated memory was 127.9 MB in the beginning and 1.0 GB in the end (delta: 913.3 MB). Free memory was 91.9 MB in the beginning and 768.0 MB in the end (delta: -676.0 MB). Peak memory consumption was 666.5 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: 3376, positive: 2433, positive conditional: 2433, positive unconditional: 0, negative: 943, negative conditional: 943, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2433, positive: 2433, positive conditional: 2433, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2433, positive: 2433, positive conditional: 2433, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2433, positive: 2433, positive conditional: 2382, positive unconditional: 51, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2433, positive: 2433, positive conditional: 2297, positive unconditional: 136, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2433, positive: 2433, positive conditional: 2297, positive unconditional: 136, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 323, positive: 323, positive conditional: 269, positive unconditional: 54, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 323, positive: 323, positive conditional: 0, positive unconditional: 323, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2433, positive: 2110, positive conditional: 2028, positive unconditional: 82, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 323, unknown conditional: 269, unknown unconditional: 54] , Statistics on independence cache: Total cache size (in pairs): 323, Positive cache size: 323, Positive conditional cache size: 269, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 85, Maximal queried relation: 0, Independence queries for same thread: 943 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 192 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2685 for 13236ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 192 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2685 for 13236ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 192 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2685 for 13236ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 869174.8ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 60585.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 704, 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: 75.3ms SsaConstructionTime, 439.9ms SatisfiabilityAnalysisTime, 768931.9ms InterpolantComputationTime, 1494 NumberOfCodeBlocks, 1494 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1474 ConstructedInterpolants, 9 QuantifiedInterpolants, 62426 SizeOfPredicates, 67 NumberOfNonLiveVariables, 1290 ConjunctsInSsa, 723 ConjunctsInUnsatCore, 20 InterpolantComputations, 0 PerfectInterpolantSequences, 1438/7054 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