/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 02:07:37,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 02:07:37,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 02:07:37,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-23 02:07:37,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-23 02:07:37,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-23 02:07:37,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-23 02:07:37,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-23 02:07:37,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-23 02:07:37,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-23 02:07:37,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-23 02:07:37,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-23 02:07:37,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 02:07:37,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 02:07:37,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 02:07:37,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 02:07:37,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 02:07:37,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 02:07:37,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 02:07:37,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 02:07:37,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 02:07:37,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 02:07:37,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 02:07:37,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 02:07:37,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-23 02:07:37,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-23 02:07:37,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-23 02:07:37,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-23 02:07:37,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-23 02:07:37,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-23 02:07:37,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-23 02:07:37,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-23 02:07:37,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-23 02:07:37,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-23 02:07:37,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-23 02:07:37,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-23 02:07:37,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-23 02:07:37,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-23 02:07:37,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-23 02:07:37,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-23 02:07:37,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-23 02:07:37,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-23 02:07:37,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 02:07:37,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 02:07:37,308 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 02:07:37,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 02:07:37,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 02:07:37,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 02:07:37,311 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 02:07:37,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 02:07:37,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 02:07:37,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 02:07:37,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 02:07:37,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 02:07:37,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:07:37,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 02:07:37,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 02:07:37,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 02:07:37,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 02:07:37,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 02:07:37,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 02:07:37,626 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 02:07:37,627 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 02:07:37,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2021-08-23 02:07:37,628 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2021-08-23 02:07:37,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 02:07:37,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 02:07:37,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 02:07:37,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 02:07:37,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 02:07:37,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 02:07:37,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 02:07:37,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 02:07:37,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 02:07:37,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 02:07:37,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 02:07:37,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 02:07:37,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 02:07:37,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/1) ... [2021-08-23 02:07:37,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 02:07:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:37,729 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) [2021-08-23 02:07:37,737 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 [2021-08-23 02:07:37,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 02:07:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 02:07:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 02:07:37,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 02:07:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 02:07:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 02:07:37,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 02:07:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 02:07:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 02:07:37,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 02:07:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 02:07:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 02:07:37,765 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 02:07:37,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 02:07:37,894 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 02:07:37,895 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:07:37 BoogieIcfgContainer [2021-08-23 02:07:37,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 02:07:37,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 02:07:37,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 02:07:37,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 02:07:37,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 02:07:37" (1/2) ... [2021-08-23 02:07:37,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bf26c1 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 02:07:37, skipping insertion in model container [2021-08-23 02:07:37,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 02:07:37" (2/2) ... [2021-08-23 02:07:37,900 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2021-08-23 02:07:37,904 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 02:07:37,904 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 02:07:37,904 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 02:07:37,904 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 02:07:37,932 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 02:07:37,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 02:07:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:37,982 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) [2021-08-23 02:07:37,993 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 [2021-08-23 02:07:38,018 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 02:07:38,022 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 [2021-08-23 02:07:38,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 02:07:38,152 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:38,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:38,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1258162814, now seen corresponding path program 1 times [2021-08-23 02:07:38,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:38,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878221144] [2021-08-23 02:07:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:38,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 02:07:38,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:07:38,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878221144] [2021-08-23 02:07:38,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878221144] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:38,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140400117] [2021-08-23 02:07:38,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:38,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:38,477 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) [2021-08-23 02:07:38,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 02:07:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:38,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-23 02:07:38,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:07:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-23 02:07:38,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140400117] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:38,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:07:38,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-08-23 02:07:38,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024236745] [2021-08-23 02:07:38,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 02:07:38,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:07:38,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 02:07:38,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-23 02:07:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:38,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:07:38,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 02:07:38,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:07:39,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-23 02:07:39,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-23 02:07:39,223 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:39,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:39,224 INFO L82 PathProgramCache]: Analyzing trace with hash -538278918, now seen corresponding path program 2 times [2021-08-23 02:07:39,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:39,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29089239] [2021-08-23 02:07:39,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:39,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:07:39,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:07:39,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29089239] [2021-08-23 02:07:39,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29089239] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:39,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540323725] [2021-08-23 02:07:39,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 02:07:39,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:39,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:39,319 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) [2021-08-23 02:07:39,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 02:07:39,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 02:07:39,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:07:39,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-23 02:07:39,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:07:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:07:39,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540323725] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:39,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:07:39,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-08-23 02:07:39,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396248627] [2021-08-23 02:07:39,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-23 02:07:39,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:07:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-23 02:07:39,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-23 02:07:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:39,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:07:39,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 02:07:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:07:39,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:39,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:07:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:39,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 02:07:40,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:40,113 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:40,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:40,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1818381336, now seen corresponding path program 3 times [2021-08-23 02:07:40,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:40,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095154004] [2021-08-23 02:07:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:40,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:07:40,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:07:40,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095154004] [2021-08-23 02:07:40,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095154004] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:40,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051709026] [2021-08-23 02:07:40,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 02:07:40,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:40,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:40,198 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) [2021-08-23 02:07:40,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 02:07:40,262 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-23 02:07:40,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:07:40,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-23 02:07:40,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:07:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-23 02:07:40,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051709026] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:40,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:07:40,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-08-23 02:07:40,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817361313] [2021-08-23 02:07:40,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-23 02:07:40,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:07:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-23 02:07:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-08-23 02:07:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:40,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:07:40,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 02:07:40,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 02:07:40,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:40,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:07:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:41,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 02:07:41,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 02:07:41,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:41,285 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:41,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:41,285 INFO L82 PathProgramCache]: Analyzing trace with hash 712863214, now seen corresponding path program 4 times [2021-08-23 02:07:41,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:41,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870733911] [2021-08-23 02:07:41,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:41,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 02:07:41,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:07:41,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870733911] [2021-08-23 02:07:41,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870733911] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:41,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923139032] [2021-08-23 02:07:41,425 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 02:07:41,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:41,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:41,427 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) [2021-08-23 02:07:41,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 02:07:41,515 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 02:07:41,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:07:41,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-23 02:07:41,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:07:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:07:41,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923139032] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:41,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:07:41,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-08-23 02:07:41,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515086157] [2021-08-23 02:07:41,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-23 02:07:41,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:07:41,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-23 02:07:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-08-23 02:07:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:41,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:07:41,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 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) [2021-08-23 02:07:41,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:07:41,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:41,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 02:07:41,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:42,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:07:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:07:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:07:42,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 02:07:42,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:42,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:42,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:42,352 INFO L82 PathProgramCache]: Analyzing trace with hash 2100013066, now seen corresponding path program 5 times [2021-08-23 02:07:42,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:42,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49297302] [2021-08-23 02:07:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:42,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 02:07:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-23 02:07:42,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 02:07:42,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49297302] [2021-08-23 02:07:42,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49297302] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:42,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020578158] [2021-08-23 02:07:42,486 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 02:07:42,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:42,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 02:07:42,487 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) [2021-08-23 02:07:42,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 02:07:42,610 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-08-23 02:07:42,610 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 02:07:42,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-23 02:07:42,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 02:07:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-23 02:07:42,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020578158] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 02:07:42,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 02:07:42,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-08-23 02:07:42,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466658544] [2021-08-23 02:07:42,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-23 02:07:42,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 02:07:42,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-23 02:07:42,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-08-23 02:07:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:42,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 02:07:42,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4285714285714284) internal successors, (72), 21 states have internal predecessors, (72), 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) [2021-08-23 02:07:42,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:07:42,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:42,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:07:42,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:07:42,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 02:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-23 02:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-23 02:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-08-23 02:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-23 02:07:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-08-23 02:07:43,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 02:07:43,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:07:43,913 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 02:07:43,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 02:07:43,913 INFO L82 PathProgramCache]: Analyzing trace with hash 696109600, now seen corresponding path program 6 times [2021-08-23 02:07:43,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 02:07:43,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428173800] [2021-08-23 02:07:43,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 02:07:43,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 02:07:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-23 02:22:11,951 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 02:22:11,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-23 02:22:11,952 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2021-08-23 02:22:11,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 02:22:11,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 02:22:11,953 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 02:22:11,959 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 02:22:11,959 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 02:22:11,961 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:22:11 BasicIcfg [2021-08-23 02:22:11,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 02:22:11,962 INFO L168 Benchmark]: Toolchain (without parser) took 874310.03 ms. Allocated memory was 217.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 197.2 MB in the beginning and 1.1 GB in the end (delta: -882.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-08-23 02:22:11,962 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 217.1 MB. Free memory is still 198.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:22:11,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.11 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:22:11,962 INFO L168 Benchmark]: Boogie Preprocessor took 22.14 ms. Allocated memory is still 217.1 MB. Free memory was 195.6 MB in the beginning and 194.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-23 02:22:11,963 INFO L168 Benchmark]: RCFGBuilder took 197.72 ms. Allocated memory is still 217.1 MB. Free memory was 194.4 MB in the beginning and 181.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-23 02:22:11,963 INFO L168 Benchmark]: TraceAbstraction took 874064.23 ms. Allocated memory was 217.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 181.0 MB in the beginning and 1.1 GB in the end (delta: -898.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-08-23 02:22:11,964 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2021-08-23 02:22:11,966 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 [2021-08-23 02:22:11,966 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 Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 217.1 MB. Free memory is still 198.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.11 ms. Allocated memory is still 217.1 MB. Free memory was 197.0 MB in the beginning and 195.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.14 ms. Allocated memory is still 217.1 MB. Free memory was 195.6 MB in the beginning and 194.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 197.72 ms. Allocated memory is still 217.1 MB. Free memory was 194.4 MB in the beginning and 181.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 874064.23 ms. Allocated memory was 217.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 181.0 MB in the beginning and 1.1 GB in the end (delta: -898.9 MB). Peak memory consumption was 1.1 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: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 844, positive unconditional: 417, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 839, positive unconditional: 422, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 839, positive unconditional: 422, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 2, positive unconditional: 276, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 837, positive unconditional: 146, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 2, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 2, Positive unconditional cache size: 276, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 0, Independence queries for same thread: 241 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 75, Number of persistent set computation: 59, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322, positive: 322, positive conditional: 0, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 844, positive unconditional: 417, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 839, positive unconditional: 422, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 839, positive unconditional: 422, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 278, positive: 278, positive conditional: 2, positive unconditional: 276, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 837, positive unconditional: 146, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 2, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 2, Positive unconditional cache size: 276, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 0, Independence queries for same thread: 241 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873980.0ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 2192.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 139, 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: 41.7ms SsaConstructionTime, 188.4ms SatisfiabilityAnalysisTime, 1945.8ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 15 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 154/486 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