/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 07:14:54,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 07:14:54,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 07:14:54,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 07:14:54,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 07:14:54,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 07:14:54,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 07:14:54,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 07:14:54,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 07:14:54,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 07:14:54,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 07:14:54,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 07:14:54,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 07:14:54,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 07:14:54,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 07:14:54,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 07:14:54,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 07:14:54,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 07:14:54,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 07:14:54,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 07:14:54,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 07:14:54,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 07:14:54,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 07:14:54,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 07:14:54,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 07:14:54,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 07:14:54,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 07:14:54,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 07:14:54,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 07:14:54,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 07:14:54,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 07:14:54,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 07:14:54,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 07:14:54,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 07:14:54,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 07:14:54,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 07:14:54,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 07:14:54,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 07:14:54,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 07:14:54,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 07:14:54,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 07:14:54,660 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-Random521.epf [2021-08-22 07:14:54,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 07:14:54,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 07:14:54,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 07:14:54,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 07:14:54,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 07:14:54,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 07:14:54,690 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 07:14:54,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 07:14:54,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 07:14:54,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 07:14:54,691 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 07:14:54,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 07:14:54,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 07:14:54,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 07:14:54,693 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 07:14:54,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 07:14:54,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 07:14:54,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 07:14:54,959 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 07:14:54,961 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 07:14:54,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-08-22 07:14:54,962 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-08-22 07:14:54,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 07:14:54,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 07:14:54,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 07:14:54,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 07:14:54,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 07:14:54,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:54,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 07:14:55,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 07:14:55,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 07:14:55,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 07:14:55,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 07:14:55,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 07:14:55,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 07:14:55,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 07:14:55,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/1) ... [2021-08-22 07:14:55,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 07:14:55,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:55,037 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 07:14:55,053 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 07:14:55,070 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 07:14:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 07:14:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 07:14:55,071 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 07:14:55,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 07:14:55,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 07:14:55,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 07:14:55,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 07:14:55,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 07:14:55,072 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 07:14:55,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 07:14:55,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 07:14:55,073 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 07:14:55,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 07:14:55,290 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-22 07:14:55,291 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:14:55 BoogieIcfgContainer [2021-08-22 07:14:55,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 07:14:55,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 07:14:55,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 07:14:55,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 07:14:55,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 07:14:54" (1/2) ... [2021-08-22 07:14:55,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65bad1ec and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:14:55, skipping insertion in model container [2021-08-22 07:14:55,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:14:55" (2/2) ... [2021-08-22 07:14:55,301 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-08-22 07:14:55,304 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 07:14:55,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 07:14:55,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 07:14:55,305 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 07:14:55,359 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-22 07:14:55,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 07:14:55,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:55,409 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 07:14:55,419 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 07:14:55,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 07:14:55,444 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 07:14:55,444 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 07:14:55,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:55,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1681848204, now seen corresponding path program 1 times [2021-08-22 07:14:55,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:55,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110755154] [2021-08-22 07:14:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:55,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:14:55,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:55,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110755154] [2021-08-22 07:14:55,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110755154] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:14:55,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:14:55,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 07:14:55,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186422320] [2021-08-22 07:14:55,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 07:14:55,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 07:14:55,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 07:14:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,640 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:55,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 07:14:55,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 07:14:55,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:55,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:55,706 INFO L82 PathProgramCache]: Analyzing trace with hash -773586133, now seen corresponding path program 1 times [2021-08-22 07:14:55,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:55,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55919060] [2021-08-22 07:14:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:55,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:14:55,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:55,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55919060] [2021-08-22 07:14:55,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55919060] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:14:55,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:14:55,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 07:14:55,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670536785] [2021-08-22 07:14:55,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 07:14:55,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:55,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 07:14:55,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 07:14:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,748 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:55,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 07:14:55,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 07:14:55,782 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:55,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:55,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1022422755, now seen corresponding path program 2 times [2021-08-22 07:14:55,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:55,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287990229] [2021-08-22 07:14:55,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:55,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:14:55,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:55,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287990229] [2021-08-22 07:14:55,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287990229] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:14:55,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:14:55,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 07:14:55,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495258143] [2021-08-22 07:14:55,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 07:14:55,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:55,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 07:14:55,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 07:14:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:55,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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 07:14:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 07:14:55,849 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:55,850 INFO L82 PathProgramCache]: Analyzing trace with hash -76434941, now seen corresponding path program 1 times [2021-08-22 07:14:55,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:55,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378543391] [2021-08-22 07:14:55,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:55,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:14:55,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:55,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378543391] [2021-08-22 07:14:55,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378543391] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:14:55,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 07:14:55,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 07:14:55,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73193975] [2021-08-22 07:14:55,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 07:14:55,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 07:14:55,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 07:14:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:55,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 07:14:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:55,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 07:14:55,903 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:55,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash 81907587, now seen corresponding path program 2 times [2021-08-22 07:14:55,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:55,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120127252] [2021-08-22 07:14:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:55,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:14:55,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:55,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120127252] [2021-08-22 07:14:55,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120127252] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:55,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551549703] [2021-08-22 07:14:55,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 07:14:55,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:55,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:55,992 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 07:14:55,999 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 07:14:56,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 07:14:56,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:14:56,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-22 07:14:56,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:14:56,577 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-22 07:14:56,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 49 [2021-08-22 07:14:56,597 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 7 treesize of output 3 [2021-08-22 07:14:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:14:56,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551549703] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:56,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:14:56,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-08-22 07:14:56,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235439127] [2021-08-22 07:14:56,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 07:14:56,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:56,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 07:14:56,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-22 07:14:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:56,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:56,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 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 07:14:56,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 07:14:56,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-22 07:14:57,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:57,121 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:57,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:57,121 INFO L82 PathProgramCache]: Analyzing trace with hash 880691282, now seen corresponding path program 3 times [2021-08-22 07:14:57,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:57,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548283196] [2021-08-22 07:14:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:57,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-22 07:14:57,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:57,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548283196] [2021-08-22 07:14:57,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548283196] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:57,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892164257] [2021-08-22 07:14:57,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 07:14:57,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:57,227 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 07:14:57,228 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 07:14:57,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-22 07:14:57,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:14:57,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-22 07:14:57,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:14:57,366 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 7 treesize of output 3 [2021-08-22 07:14:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:14:57,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892164257] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:57,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:14:57,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2021-08-22 07:14:57,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448500286] [2021-08-22 07:14:57,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-22 07:14:57,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:57,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-22 07:14:57,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-08-22 07:14:57,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:57,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:57,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 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 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-22 07:14:57,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:57,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:57,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-22 07:14:57,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:57,928 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:57,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:57,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1256240428, now seen corresponding path program 4 times [2021-08-22 07:14:57,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:57,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794883172] [2021-08-22 07:14:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:57,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-22 07:14:57,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:57,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794883172] [2021-08-22 07:14:57,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794883172] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:57,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281198338] [2021-08-22 07:14:57,997 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 07:14:57,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:58,013 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 07:14:58,014 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 07:14:58,120 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 07:14:58,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:14:58,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-22 07:14:58,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:14:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-22 07:14:58,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281198338] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 07:14:58,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-22 07:14:58,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2021-08-22 07:14:58,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864820126] [2021-08-22 07:14:58,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-22 07:14:58,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:58,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-22 07:14:58,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-22 07:14:58,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:58,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:58,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 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 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:58,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:14:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:14:58,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-22 07:14:58,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:58,465 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash -62030742, now seen corresponding path program 5 times [2021-08-22 07:14:58,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:58,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832729160] [2021-08-22 07:14:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:58,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:14:58,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:58,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832729160] [2021-08-22 07:14:58,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832729160] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:58,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510780600] [2021-08-22 07:14:58,622 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 07:14:58,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:58,623 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 07:14:58,627 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 07:14:58,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-22 07:14:58,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:14:58,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-22 07:14:58,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:14:58,948 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 67 treesize of output 65 [2021-08-22 07:14:59,054 INFO L354 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2021-08-22 07:14:59,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 21 [2021-08-22 07:14:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-22 07:14:59,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510780600] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:59,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:14:59,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2021-08-22 07:14:59,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553725181] [2021-08-22 07:14:59,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 07:14:59,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:14:59,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 07:14:59,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-08-22 07:14:59,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:59,132 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:14:59,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 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 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:14:59,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:14:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:14:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:14:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:14:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:14:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:14:59,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-22 07:14:59,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:59,501 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:14:59,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:14:59,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1698673284, now seen corresponding path program 6 times [2021-08-22 07:14:59,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:14:59,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373001086] [2021-08-22 07:14:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:14:59,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:14:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:14:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 88 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-08-22 07:14:59,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:14:59,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373001086] [2021-08-22 07:14:59,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373001086] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:14:59,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995345195] [2021-08-22 07:14:59,812 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-22 07:14:59,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:14:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:14:59,812 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 07:14:59,814 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 07:14:59,973 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-22 07:14:59,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:14:59,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-22 07:14:59,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:15:00,284 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-08-22 07:15:00,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 10 [2021-08-22 07:15:00,315 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 15 treesize of output 7 [2021-08-22 07:15:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 61 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-08-22 07:15:00,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995345195] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:15:00,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:15:00,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 20 [2021-08-22 07:15:00,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263749167] [2021-08-22 07:15:00,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-22 07:15:00,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:15:00,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-22 07:15:00,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2021-08-22 07:15:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:15:00,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:15:00,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.333333333333333) internal successors, (91), 20 states have internal predecessors, (91), 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 07:15:00,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:15:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:15:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:15:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:15:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:15:02,491 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 07:15:02,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:15:02,685 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:15:02,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:15:02,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1988053653, now seen corresponding path program 7 times [2021-08-22 07:15:02,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:15:02,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234992312] [2021-08-22 07:15:02,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:15:02,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:15:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:15:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-08-22 07:15:02,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:15:02,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234992312] [2021-08-22 07:15:02,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234992312] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:15:02,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533428513] [2021-08-22 07:15:02,881 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-22 07:15:02,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:15:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:15:02,882 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 07:15:02,883 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 07:15:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:15:03,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 35 conjunts are in the unsatisfiable core [2021-08-22 07:15:03,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:15:03,663 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-08-22 07:15:03,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 13 [2021-08-22 07:15:03,834 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 15 treesize of output 7 [2021-08-22 07:15:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 113 proven. 75 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-22 07:15:03,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533428513] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:15:03,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:15:03,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 24 [2021-08-22 07:15:03,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954419256] [2021-08-22 07:15:03,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-22 07:15:03,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:15:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-22 07:15:03,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2021-08-22 07:15:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:15:03,942 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:15:03,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.64) internal successors, (116), 24 states have internal predecessors, (116), 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 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:15:03,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:15:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:15:05,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-22 07:15:05,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-22 07:15:05,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:15:05,238 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:15:05,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:15:05,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1667644954, now seen corresponding path program 8 times [2021-08-22 07:15:05,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:15:05,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765946766] [2021-08-22 07:15:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:15:05,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:15:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:16:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 11 proven. 363 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-08-22 07:16:28,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:16:28,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765946766] [2021-08-22 07:16:28,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765946766] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:16:28,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465132185] [2021-08-22 07:16:28,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-22 07:16:28,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:16:28,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:16:28,205 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 07:16:28,205 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 07:16:29,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-22 07:16:29,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:16:29,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-22 07:16:29,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:16:29,915 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-08-22 07:16:29,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 13 [2021-08-22 07:16:30,178 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 15 treesize of output 7 [2021-08-22 07:16:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 254 proven. 150 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-08-22 07:16:30,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465132185] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:16:30,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:16:30,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 28 [2021-08-22 07:16:30,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406751120] [2021-08-22 07:16:30,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-22 07:16:30,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:16:30,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-22 07:16:30,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2021-08-22 07:16:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:16:30,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:16:30,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.275862068965517) internal successors, (153), 28 states have internal predecessors, (153), 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 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:16:30,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:16:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:16:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:16:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-08-22 07:16:30,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:16:33,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:16:33,028 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 07:16:33,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-22 07:16:33,221 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:16:33,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:16:33,221 INFO L82 PathProgramCache]: Analyzing trace with hash -830593624, now seen corresponding path program 9 times [2021-08-22 07:16:33,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:16:33,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399010159] [2021-08-22 07:16:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:16:33,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:16:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:16:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 22 proven. 444 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-08-22 07:16:33,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:16:33,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399010159] [2021-08-22 07:16:33,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399010159] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:16:33,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401064284] [2021-08-22 07:16:33,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-22 07:16:33,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:16:33,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:16:33,791 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 07:16:33,791 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 07:16:35,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-08-22 07:16:35,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:16:35,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 43 conjunts are in the unsatisfiable core [2021-08-22 07:16:35,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:16:44,350 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 139 treesize of output 137 [2021-08-22 07:16:44,360 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-08-22 07:16:44,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 137 treesize of output 83 [2021-08-22 07:16:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 6 proven. 677 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 07:16:44,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401064284] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:16:44,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:16:44,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31] total 42 [2021-08-22 07:16:44,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603362421] [2021-08-22 07:16:44,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-08-22 07:16:44,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:16:44,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-08-22 07:16:44,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-08-22 07:16:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:16:44,486 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:16:44,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.186046511627907) internal successors, (180), 42 states have internal predecessors, (180), 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 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:16:44,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:16:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:16:50,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:16:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-22 07:16:50,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-22 07:16:50,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:16:50,565 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:16:50,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:16:50,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1666615600, now seen corresponding path program 10 times [2021-08-22 07:16:50,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:16:50,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321918069] [2021-08-22 07:16:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:16:50,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:16:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:16:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 952 proven. 666 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-08-22 07:16:51,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:16:51,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321918069] [2021-08-22 07:16:51,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321918069] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:16:51,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28645158] [2021-08-22 07:16:51,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-22 07:16:51,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:16:51,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:16:51,332 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 07:16:51,360 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 07:16:53,323 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-22 07:16:53,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:16:53,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 142 conjunts are in the unsatisfiable core [2021-08-22 07:16:53,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:17:01,466 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-22 07:17:01,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 233 treesize of output 219 [2021-08-22 07:17:01,948 INFO L354 Elim1Store]: treesize reduction 1323, result has 6.2 percent of original size [2021-08-22 07:17:01,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 219 treesize of output 240 [2021-08-22 07:17:02,828 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 15 treesize of output 7 [2021-08-22 07:17:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 1166 proven. 857 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-08-22 07:17:02,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28645158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:17:02,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:17:02,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 52] total 64 [2021-08-22 07:17:02,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62347528] [2021-08-22 07:17:02,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2021-08-22 07:17:02,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:17:02,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-08-22 07:17:02,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=3688, Unknown=0, NotChecked=0, Total=4160 [2021-08-22 07:17:02,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:17:02,915 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:17:02,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.9692307692307693) internal successors, (258), 64 states have internal predecessors, (258), 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 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-22 07:17:02,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:17:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-22 07:17:08,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-22 07:17:08,361 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 07:17:08,536 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,SelfDestructingSolverStorable12 [2021-08-22 07:17:08,537 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:17:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:17:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1172719006, now seen corresponding path program 11 times [2021-08-22 07:17:08,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:17:08,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471022568] [2021-08-22 07:17:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:17:08,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:17:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 07:17:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 375 proven. 779 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-08-22 07:17:10,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 07:17:10,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471022568] [2021-08-22 07:17:10,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471022568] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:17:10,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616498180] [2021-08-22 07:17:10,158 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-22 07:17:10,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-22 07:17:10,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 07:17:10,159 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 07:17:10,159 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 07:17:13,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2021-08-22 07:17:13,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-22 07:17:13,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 57 conjunts are in the unsatisfiable core [2021-08-22 07:17:13,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-22 07:18:58,869 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-08-22 07:18:58,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1025 treesize of output 1003 [2021-08-22 07:19:10,598 INFO L354 Elim1Store]: treesize reduction 3848, result has 0.1 percent of original size [2021-08-22 07:19:10,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 365 treesize of output 170 [2021-08-22 07:19:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2483 backedges. 1833 proven. 645 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-22 07:19:10,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616498180] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-22 07:19:10,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-22 07:19:10,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 52] total 74 [2021-08-22 07:19:10,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651563074] [2021-08-22 07:19:10,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2021-08-22 07:19:10,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 07:19:10,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-08-22 07:19:10,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=4496, Unknown=0, NotChecked=0, Total=5550 [2021-08-22 07:19:10,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:19:10,837 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 07:19:10,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.386666666666667) internal successors, (329), 74 states have internal predecessors, (329), 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 07:19:10,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:10,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:10,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-22 07:19:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 07:19:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-22 07:19:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-22 07:19:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-08-22 07:19:51,071 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 07:19:51,248 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,SelfDestructingSolverStorable13 [2021-08-22 07:19:51,249 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 07:19:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 07:19:51,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1431144724, now seen corresponding path program 12 times [2021-08-22 07:19:51,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 07:19:51,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565193106] [2021-08-22 07:19:51,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 07:19:51,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 07:19:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-22 07:28:59,592 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 07:28:59,597 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 07:28:59,608 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 07:28:59,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-22 07:28:59,609 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 425 with TraceHistMax 40,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-10-2-10-2-18-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-10-2-10-2-9-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-5-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2021-08-22 07:28:59,610 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 07:28:59,610 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 07:28:59,610 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 07:28:59,617 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 07:28:59,617 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 07:28:59,618 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:28:59 BasicIcfg [2021-08-22 07:28:59,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 07:28:59,619 INFO L168 Benchmark]: Toolchain (without parser) took 844638.62 ms. Allocated memory was 218.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 197.9 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-08-22 07:28:59,619 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 218.1 MB. Free memory was 199.2 MB in the beginning and 199.1 MB in the end (delta: 84.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 07:28:59,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 218.1 MB. Free memory was 197.8 MB in the beginning and 196.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 07:28:59,619 INFO L168 Benchmark]: Boogie Preprocessor took 12.60 ms. Allocated memory is still 218.1 MB. Free memory was 196.3 MB in the beginning and 195.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 07:28:59,620 INFO L168 Benchmark]: RCFGBuilder took 277.16 ms. Allocated memory is still 218.1 MB. Free memory was 195.3 MB in the beginning and 175.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-08-22 07:28:59,620 INFO L168 Benchmark]: TraceAbstraction took 844321.10 ms. Allocated memory was 218.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 175.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-08-22 07:28:59,621 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 0.09 ms. Allocated memory is still 218.1 MB. Free memory was 199.2 MB in the beginning and 199.1 MB in the end (delta: 84.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.33 ms. Allocated memory is still 218.1 MB. Free memory was 197.8 MB in the beginning and 196.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.60 ms. Allocated memory is still 218.1 MB. Free memory was 196.3 MB in the beginning and 195.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 277.16 ms. Allocated memory is still 218.1 MB. Free memory was 195.3 MB in the beginning and 175.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 844321.10 ms. Allocated memory was 218.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 175.3 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19869, positive: 17819, positive conditional: 17819, positive unconditional: 0, negative: 2050, negative conditional: 2050, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18527, positive: 17819, positive conditional: 17819, positive unconditional: 0, negative: 708, negative conditional: 708, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18527, positive: 17819, positive conditional: 17819, positive unconditional: 0, negative: 708, negative conditional: 708, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24114, positive: 17819, positive conditional: 17780, positive unconditional: 39, negative: 6295, negative conditional: 5587, negative unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24114, positive: 17819, positive conditional: 14351, positive unconditional: 3468, negative: 6295, negative conditional: 2938, negative unconditional: 3357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24114, positive: 17819, positive conditional: 14351, positive unconditional: 3468, negative: 6295, negative conditional: 2938, negative unconditional: 3357, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1361, positive: 1098, positive conditional: 1006, positive unconditional: 92, negative: 263, negative conditional: 260, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1361, positive: 1076, positive conditional: 0, positive unconditional: 1076, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 285, positive: 22, positive conditional: 21, positive unconditional: 1, negative: 263, negative conditional: 260, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 787, positive: 31, positive conditional: 26, positive unconditional: 5, negative: 756, negative conditional: 712, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24114, positive: 16721, positive conditional: 13345, positive unconditional: 3376, negative: 6032, negative conditional: 2678, negative unconditional: 3354, unknown: 1361, unknown conditional: 1266, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1098, Positive conditional cache size: 1006, Positive unconditional cache size: 92, Negative cache size: 263, Negative conditional cache size: 260, Negative unconditional cache size: 3, Eliminated conditions: 6078, Maximal queried relation: 14, Independence queries for same thread: 1342 - 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: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 425 with TraceHistMax 40,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-10-2-10-2-18-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-10-2-10-2-9-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-5-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 95]: 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 425 with TraceHistMax 40,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-10-2-10-2-18-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-10-2-10-2-9-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-5-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 95]: 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 425 with TraceHistMax 40,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-10-2-10-2-18-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-10-2-10-2-9-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-5-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 96]: 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 425 with TraceHistMax 40,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-4-2-9-2-9-2-10-2-10-2-18-2-14-2-14-2-14-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-13-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-12-2-11-2-11-2-11-2-11-2-10-2-10-2-9-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-7-2-6-2-6-2-6-2-6-2-5-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844215.8ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 58248.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 506, 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: 146.1ms SsaConstructionTime, 1680.2ms SatisfiabilityAnalysisTime, 226190.2ms InterpolantComputationTime, 2172 NumberOfCodeBlocks, 2172 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 2148 ConstructedInterpolants, 0 QuantifiedInterpolants, 136477 SizeOfPredicates, 110 NumberOfNonLiveVariables, 2500 ConjunctsInSsa, 397 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 7433/12360 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