/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 07:13:15,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 07:13:15,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 07:13:15,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 07:13:15,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 07:13:15,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 07:13:15,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 07:13:15,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 07:13:15,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 07:13:15,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 07:13:15,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 07:13:15,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 07:13:15,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 07:13:15,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 07:13:15,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 07:13:15,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 07:13:15,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 07:13:15,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 07:13:15,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 07:13:15,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 07:13:15,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 07:13:15,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 07:13:15,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 07:13:15,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 07:13:15,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 07:13:15,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 07:13:15,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 07:13:15,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 07:13:15,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 07:13:15,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 07:13:15,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 07:13:15,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 07:13:15,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 07:13:15,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 07:13:15,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 07:13:15,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 07:13:15,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 07:13:15,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 07:13:15,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 07:13:15,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 07:13:15,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 07:13:15,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-16 07:13:15,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 07:13:15,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 07:13:15,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 07:13:15,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 07:13:15,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 07:13:15,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 07:13:15,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 07:13:15,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 07:13:15,220 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 07:13:15,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 07:13:15,220 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 07:13:15,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 07:13:15,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 07:13:15,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 07:13:15,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 07:13:15,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 07:13:15,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 07:13:15,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:13:15,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 07:13:15,223 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 07:13:15,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 07:13:15,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 07:13:15,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 07:13:15,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 07:13:15,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 07:13:15,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 07:13:15,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 07:13:15,422 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 07:13:15,423 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 07:13:15,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2022-03-16 07:13:15,424 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2022-03-16 07:13:15,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 07:13:15,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 07:13:15,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 07:13:15,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 07:13:15,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 07:13:15,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,462 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 07:13:15,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 07:13:15,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 07:13:15,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 07:13:15,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 07:13:15,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 07:13:15,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 07:13:15,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 07:13:15,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 07:13:15,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/1) ... [2022-03-16 07:13:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:13:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:15,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 07:13:15,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 07:13:15,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 07:13:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 07:13:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 07:13:15,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 07:13:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 07:13:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 07:13:15,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 07:13:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 07:13:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 07:13:15,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 07:13:15,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 07:13:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 07:13:15,534 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 07:13:15,566 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 07:13:15,567 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 07:13:15,638 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 07:13:15,649 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 07:13:15,649 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 07:13:15,651 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:13:15 BoogieIcfgContainer [2022-03-16 07:13:15,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 07:13:15,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 07:13:15,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 07:13:15,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 07:13:15,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:13:15" (1/2) ... [2022-03-16 07:13:15,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378e9d60 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 07:13:15, skipping insertion in model container [2022-03-16 07:13:15,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:13:15" (2/2) ... [2022-03-16 07:13:15,664 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2022-03-16 07:13:15,667 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 07:13:15,667 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 07:13:15,667 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 07:13:15,667 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 07:13:15,705 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 07:13:15,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 07:13:15,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:15,735 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 07:13:15,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 07:13:15,777 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 07:13:15,782 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-16 07:13:15,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 07:13:15,976 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 593 transitions and produced 265 states. [2022-03-16 07:13:15,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -780755900, now seen corresponding path program 1 times [2022-03-16 07:13:15,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:15,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853284783] [2022-03-16 07:13:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:15,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 07:13:16,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:13:16,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853284783] [2022-03-16 07:13:16,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853284783] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:13:16,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930929324] [2022-03-16 07:13:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:16,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:16,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:16,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:13:16,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 07:13:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:16,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 07:13:16,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:13:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 07:13:16,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:13:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-16 07:13:16,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930929324] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:13:16,815 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:13:16,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-03-16 07:13:16,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660854502] [2022-03-16 07:13:16,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:13:16,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 07:13:16,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:13:16,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 07:13:16,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-03-16 07:13:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:16,853 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:13:16,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.45) internal successors, (69), 20 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) [2022-03-16 07:13:16,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:17,209 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 196 transitions and produced 144 states. [2022-03-16 07:13:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:17,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 07:13:17,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 07:13:17,426 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:17,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1626785502, now seen corresponding path program 2 times [2022-03-16 07:13:17,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:17,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071276659] [2022-03-16 07:13:17,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:17,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:17,530 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:17,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:13:17,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071276659] [2022-03-16 07:13:17,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071276659] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:13:17,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629910473] [2022-03-16 07:13:17,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 07:13:17,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:17,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:17,532 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:13:17,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 07:13:17,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 07:13:17,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:13:17,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-16 07:13:17,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:13:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:17,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:13:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:17,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629910473] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:13:17,893 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:13:17,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-16 07:13:17,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285811104] [2022-03-16 07:13:17,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:13:17,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-16 07:13:17,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:13:17,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-16 07:13:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-16 07:13:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:17,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:13:17,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 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) [2022-03-16 07:13:17,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:17,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:18,242 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207 transitions and produced 155 states. [2022-03-16 07:13:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:18,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:18,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 07:13:18,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:18,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:18,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1382553216, now seen corresponding path program 3 times [2022-03-16 07:13:18,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:18,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535201485] [2022-03-16 07:13:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:19,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:13:19,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535201485] [2022-03-16 07:13:19,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535201485] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:13:19,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109008811] [2022-03-16 07:13:19,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 07:13:19,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:19,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:19,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:13:19,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 07:13:19,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-16 07:13:19,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:13:19,584 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-16 07:13:19,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:13:21,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:21,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:21,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:21,481 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 90 [2022-03-16 07:13:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:21,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:13:23,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:23,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:23,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:13:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:13:23,903 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 07:13:23,904 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 13 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 168 treesize of output 238 [2022-03-16 07:13:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:28,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109008811] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:13:28,322 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:13:28,322 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-03-16 07:13:28,322 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087438394] [2022-03-16 07:13:28,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:13:28,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-03-16 07:13:28,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:13:28,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-03-16 07:13:28,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2193, Unknown=0, NotChecked=0, Total=2550 [2022-03-16 07:13:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:28,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:13:28,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.803921568627451) internal successors, (92), 51 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 07:13:28,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:28,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:28,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:46,524 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 181 states. [2022-03-16 07:13:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-16 07:13:46,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 07:13:46,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:46,726 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:46,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:46,726 INFO L85 PathProgramCache]: Analyzing trace with hash -893231052, now seen corresponding path program 4 times [2022-03-16 07:13:46,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:46,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442777174] [2022-03-16 07:13:46,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:46,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:13:46,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442777174] [2022-03-16 07:13:46,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442777174] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:13:46,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631884807] [2022-03-16 07:13:46,861 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 07:13:46,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:46,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:46,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:13:46,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 07:13:46,897 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 07:13:46,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:13:46,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 07:13:46,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:13:47,201 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:47,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:13:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:47,572 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631884807] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:13:47,572 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:13:47,572 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-16 07:13:47,572 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831761465] [2022-03-16 07:13:47,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:13:47,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-16 07:13:47,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:13:47,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-16 07:13:47,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=1804, Unknown=0, NotChecked=0, Total=2256 [2022-03-16 07:13:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:47,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:13:47,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.5625) internal successors, (123), 48 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 07:13:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-16 07:13:47,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:48,778 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 275 transitions and produced 260 states. [2022-03-16 07:13:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-16 07:13:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-16 07:13:48,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 07:13:48,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:48,979 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:48,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:48,980 INFO L85 PathProgramCache]: Analyzing trace with hash -178212572, now seen corresponding path program 5 times [2022-03-16 07:13:48,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:48,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101674048] [2022-03-16 07:13:48,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:48,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:13:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:49,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:13:49,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101674048] [2022-03-16 07:13:49,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101674048] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:13:49,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127244988] [2022-03-16 07:13:49,290 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 07:13:49,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:49,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:13:49,292 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:13:49,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 07:13:49,342 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-16 07:13:49,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:13:49,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-16 07:13:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:13:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:49,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:13:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:13:50,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127244988] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:13:50,514 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:13:50,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-03-16 07:13:50,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551999197] [2022-03-16 07:13:50,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:13:50,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-16 07:13:50,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:13:50,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-16 07:13:50,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=930, Invalid=4040, Unknown=0, NotChecked=0, Total=4970 [2022-03-16 07:13:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:50,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:13:50,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.352112676056338) internal successors, (167), 71 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 07:13:50,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:50,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:50,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-16 07:13:50,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-03-16 07:13:50,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:13:57,862 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2778 transitions and produced 1115 states. [2022-03-16 07:13:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:13:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-16 07:13:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-03-16 07:13:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-03-16 07:13:57,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-16 07:13:57,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 07:13:58,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:13:58,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:13:58,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:13:58,081 INFO L85 PathProgramCache]: Analyzing trace with hash -217299044, now seen corresponding path program 6 times [2022-03-16 07:13:58,081 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:13:58,081 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360804341] [2022-03-16 07:13:58,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:13:58,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:13:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:14:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 46 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:14:02,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:14:02,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360804341] [2022-03-16 07:14:02,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360804341] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:14:02,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341404548] [2022-03-16 07:14:02,411 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 07:14:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:14:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:14:02,412 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 07:14:02,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 07:14:02,480 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-16 07:14:02,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:14:02,482 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 91 conjunts are in the unsatisfiable core [2022-03-16 07:14:02,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:14:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:14:19,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:14:19,651 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 07:14:19,652 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 143 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 11 case distinctions, treesize of input 462 treesize of output 332 [2022-03-16 07:14:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:14:27,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:15:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:15:28,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,403 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:15:28,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:15:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:15:28,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:15:38,715 WARN L228 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 1120 DAG size of output: 900 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 07:15:38,718 INFO L353 Elim1Store]: treesize reduction 992, result has 67.4 percent of original size [2022-03-16 07:15:38,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 61 disjoint index pairs (out of 435 index pairs), introduced 26 new quantified variables, introduced 352 case distinctions, treesize of input 1336 treesize of output 2532 Received shutdown request... [2022-03-16 07:27:15,211 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:27:15,213 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:27:15,214 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:27:15,214 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:27:15,216 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 07:27:15,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 07:27:15,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:27:15,414 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 15ms.. [2022-03-16 07:27:15,415 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:27:15,415 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:27:15,415 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:27:15,419 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 07:27:15,420 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:27:15,420 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:27:15,422 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:27:15 BasicIcfg [2022-03-16 07:27:15,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:27:15,423 INFO L158 Benchmark]: Toolchain (without parser) took 839977.79ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 157.3MB in the beginning and 519.4MB in the end (delta: -362.1MB). Peak memory consumption was 431.7MB. Max. memory is 8.0GB. [2022-03-16 07:27:15,423 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:27:15,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.34ms. Allocated memory is still 197.1MB. Free memory was 157.2MB in the beginning and 155.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 07:27:15,424 INFO L158 Benchmark]: Boogie Preprocessor took 10.74ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 154.7MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:27:15,424 INFO L158 Benchmark]: RCFGBuilder took 176.02ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 144.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 07:27:15,424 INFO L158 Benchmark]: TraceAbstraction took 839769.16ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 144.2MB in the beginning and 519.4MB in the end (delta: -375.2MB). Peak memory consumption was 419.1MB. Max. memory is 8.0GB. [2022-03-16 07:27:15,426 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 0.12ms. Allocated memory is still 197.1MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.34ms. Allocated memory is still 197.1MB. Free memory was 157.2MB in the beginning and 155.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.74ms. Allocated memory is still 197.1MB. Free memory was 155.7MB in the beginning and 154.7MB in the end (delta: 972.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 176.02ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 144.8MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 839769.16ms. Allocated memory was 197.1MB in the beginning and 664.8MB in the end (delta: 467.7MB). Free memory was 144.2MB in the beginning and 519.4MB in the end (delta: -375.2MB). Peak memory consumption was 419.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 15ms.. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 15ms.. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 15ms.. - TimeoutResultAtElement [Line: 63]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 15ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 839.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 27.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 410, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 9784 SizeOfPredicates, 40 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 503/1011 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