/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/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 07:16:09,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 07:16:09,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 07:16:09,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 07:16:09,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 07:16:09,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 07:16:09,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 07:16:09,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 07:16:09,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 07:16:09,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 07:16:09,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 07:16:09,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 07:16:09,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 07:16:09,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 07:16:09,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 07:16:09,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 07:16:09,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 07:16:09,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 07:16:09,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 07:16:09,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 07:16:09,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 07:16:09,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 07:16:09,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 07:16:09,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 07:16:09,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 07:16:09,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 07:16:09,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 07:16:09,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 07:16:09,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 07:16:09,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 07:16:09,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 07:16:09,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 07:16:09,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 07:16:09,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 07:16:09,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 07:16:09,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 07:16:09,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 07:16:09,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 07:16:09,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 07:16:09,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 07:16:09,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 07:16:09,668 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 07:16:09,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 07:16:09,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 07:16:09,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 07:16:09,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 07:16:09,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 07:16:09,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 07:16:09,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 07:16:09,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 07:16:09,695 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 07:16:09,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 07:16:09,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 07:16:09,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 07:16:09,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 07:16:09,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 07:16:09,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:16:09,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 07:16:09,698 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 07:16:09,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 07:16:09,699 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 07:16:09,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 07:16:09,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 07:16:09,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 07:16:09,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 07:16:09,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 07:16:09,887 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 07:16:09,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2022-03-16 07:16:09,888 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2022-03-16 07:16:09,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 07:16:09,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 07:16:09,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 07:16:09,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 07:16:09,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 07:16:09,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,941 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 07:16:09,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 07:16:09,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 07:16:09,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 07:16:09,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 07:16:09,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 07:16:09,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 07:16:09,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 07:16:09,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 07:16:09,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/1) ... [2022-03-16 07:16:09,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:16:09,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:09,976 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 07:16:09,990 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 07:16:10,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 07:16:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 07:16:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 07:16:10,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 07:16:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 07:16:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 07:16:10,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 07:16:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 07:16:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 07:16:10,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 07:16:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 07:16:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 07:16:10,008 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 07:16:10,042 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 07:16:10,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 07:16:10,130 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 07:16:10,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 07:16:10,141 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 07:16:10,142 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:16:10 BoogieIcfgContainer [2022-03-16 07:16:10,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 07:16:10,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 07:16:10,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 07:16:10,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 07:16:10,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:09" (1/2) ... [2022-03-16 07:16:10,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4c9ff3 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 07:16:10, skipping insertion in model container [2022-03-16 07:16:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:16:10" (2/2) ... [2022-03-16 07:16:10,169 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2022-03-16 07:16:10,172 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 07:16:10,173 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 07:16:10,173 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 07:16:10,173 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 07:16:10,196 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 07:16:10,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 07:16:10,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:10,245 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 07:16:10,246 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 07:16:10,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 07:16:10,271 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 07:16:10,272 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 07:16:10,600 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1795 transitions and produced 705 states. [2022-03-16 07:16:10,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:10,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1048686744, now seen corresponding path program 1 times [2022-03-16 07:16:10,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:10,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426801364] [2022-03-16 07:16:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:11,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:11,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426801364] [2022-03-16 07:16:11,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426801364] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:11,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844810465] [2022-03-16 07:16:11,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:11,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:11,094 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 07:16:11,095 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 07:16:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:11,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 07:16:11,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-03-16 07:16:11,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-03-16 07:16:11,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844810465] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:11,591 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:11,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 28 [2022-03-16 07:16:11,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752244086] [2022-03-16 07:16:11,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:11,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-16 07:16:11,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:11,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-16 07:16:11,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2022-03-16 07:16:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:11,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:11,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 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 07:16:11,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:12,089 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1806 transitions and produced 716 states. [2022-03-16 07:16:12,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:12,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 07:16:12,303 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 07:16:12,304 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:12,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1373401866, now seen corresponding path program 2 times [2022-03-16 07:16:12,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:12,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123917958] [2022-03-16 07:16:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 65 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:12,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:12,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123917958] [2022-03-16 07:16:12,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123917958] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:12,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842354354] [2022-03-16 07:16:12,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 07:16:12,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:12,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:12,531 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 07:16:12,532 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 07:16:12,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 07:16:12,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:12,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 07:16:12,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-16 07:16:12,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-16 07:16:12,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842354354] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:12,957 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:12,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 10] total 32 [2022-03-16 07:16:12,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404225695] [2022-03-16 07:16:12,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:12,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-16 07:16:12,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:12,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-16 07:16:12,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2022-03-16 07:16:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:12,959 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:12,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 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 07:16:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:13,451 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1817 transitions and produced 727 states. [2022-03-16 07:16:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:13,471 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 07:16:13,665 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 07:16:13,665 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:13,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:13,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1128281644, now seen corresponding path program 3 times [2022-03-16 07:16:13,666 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:13,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79171187] [2022-03-16 07:16:13,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:13,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 65 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:13,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:13,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79171187] [2022-03-16 07:16:13,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79171187] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:13,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029596280] [2022-03-16 07:16:13,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 07:16:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:13,862 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 07:16:13,862 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 07:16:13,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 07:16:13,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:13,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 07:16:13,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-03-16 07:16:14,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 63 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-03-16 07:16:14,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029596280] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:14,395 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:14,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 13] total 40 [2022-03-16 07:16:14,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214226910] [2022-03-16 07:16:14,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:14,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-03-16 07:16:14,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-03-16 07:16:14,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1279, Unknown=0, NotChecked=0, Total=1560 [2022-03-16 07:16:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:14,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:14,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.525) internal successors, (101), 40 states have internal predecessors, (101), 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 07:16:14,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:14,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:14,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:14,797 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 233 states. [2022-03-16 07:16:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:14,821 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 07:16:15,011 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 07:16:15,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1790949582, now seen corresponding path program 4 times [2022-03-16 07:16:15,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:15,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160698203] [2022-03-16 07:16:15,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 73 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-16 07:16:15,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:15,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160698203] [2022-03-16 07:16:15,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160698203] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:15,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282359187] [2022-03-16 07:16:15,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 07:16:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:15,136 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 07:16:15,137 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 07:16:15,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 07:16:15,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:15,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 07:16:15,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-16 07:16:15,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-16 07:16:15,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282359187] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:15,617 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:15,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2022-03-16 07:16:15,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893929306] [2022-03-16 07:16:15,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:15,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 07:16:15,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 07:16:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 07:16:15,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:15,619 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:15,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.9393939393939394) internal successors, (97), 33 states have internal predecessors, (97), 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 07:16:15,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:15,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:15,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:15,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:16,256 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1839 transitions and produced 749 states. [2022-03-16 07:16:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:16,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:16,281 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 07:16:16,464 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 07:16:16,464 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1335289104, now seen corresponding path program 5 times [2022-03-16 07:16:16,465 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:16,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957164461] [2022-03-16 07:16:16,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:16,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:16,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957164461] [2022-03-16 07:16:16,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957164461] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:16,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096089309] [2022-03-16 07:16:16,663 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 07:16:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:16,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:16,667 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 07:16:16,668 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 07:16:16,704 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-16 07:16:16,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:16,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 07:16:16,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:17,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:17,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096089309] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:17,732 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:17,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-16 07:16:17,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186666569] [2022-03-16 07:16:17,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:17,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 07:16:17,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:17,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 07:16:17,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=3071, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 07:16:17,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:17,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:17,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 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 07:16:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:17,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:17,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:17,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:18,536 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 309 states. [2022-03-16 07:16:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:18,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-16 07:16:18,558 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 07:16:18,751 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 07:16:18,752 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:18,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:18,752 INFO L85 PathProgramCache]: Analyzing trace with hash 189678626, now seen corresponding path program 6 times [2022-03-16 07:16:18,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:18,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479314743] [2022-03-16 07:16:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:18,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 46 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:16:20,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:20,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479314743] [2022-03-16 07:16:20,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479314743] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:20,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102949659] [2022-03-16 07:16:20,846 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 07:16:20,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:20,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:20,848 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 07:16:20,849 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 07:16:20,899 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-16 07:16:20,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:20,905 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 114 conjunts are in the unsatisfiable core [2022-03-16 07:16:20,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:16:25,505 INFO L244 Elim1Store]: Index analysis took 165 ms [2022-03-16 07:16:27,054 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 07:16:27,055 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 138 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 115 case distinctions, treesize of input 119 treesize of output 1243 [2022-03-16 07:22:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 07:22:07,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:24:42,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:24:42,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:24:42,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:24:42,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:24:42,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:24:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:24:42,888 INFO L244 Elim1Store]: Index analysis took 364 ms [2022-03-16 07:24:57,002 WARN L228 SmtUtils]: Spent 14.11s on a formula simplification. DAG size of input: 670 DAG size of output: 646 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 07:24:57,003 INFO L353 Elim1Store]: treesize reduction 290, result has 83.2 percent of original size [2022-03-16 07:24:57,004 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 55 disjoint index pairs (out of 325 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 251 treesize of output 1480 Received shutdown request... [2022-03-16 07:30:24,111 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 07:30:24,119 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 07:30:24,131 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 07:30:24,184 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:30:24,186 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:30:24,203 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 07:30:24,395 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 07:30:24,396 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. [2022-03-16 07:30:24,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:30:24,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:30:24,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:30:24,401 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 07:30:24,405 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:30:24,405 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:30:24,407 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:30:24 BasicIcfg [2022-03-16 07:30:24,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:30:24,407 INFO L158 Benchmark]: Toolchain (without parser) took 854497.00ms. Allocated memory was 194.0MB in the beginning and 639.6MB in the end (delta: 445.6MB). Free memory was 151.8MB in the beginning and 227.8MB in the end (delta: -76.0MB). Peak memory consumption was 407.5MB. Max. memory is 8.0GB. [2022-03-16 07:30:24,408 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:30:24,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.80ms. Allocated memory is still 194.0MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:30:24,410 INFO L158 Benchmark]: Boogie Preprocessor took 9.95ms. Allocated memory is still 194.0MB. Free memory was 150.1MB in the beginning and 149.2MB in the end (delta: 898.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:30:24,410 INFO L158 Benchmark]: RCFGBuilder took 188.63ms. Allocated memory is still 194.0MB. Free memory was 149.2MB in the beginning and 139.9MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 07:30:24,412 INFO L158 Benchmark]: TraceAbstraction took 854263.29ms. Allocated memory was 194.0MB in the beginning and 639.6MB in the end (delta: 445.6MB). Free memory was 139.4MB in the beginning and 227.8MB in the end (delta: -88.3MB). Peak memory consumption was 394.9MB. Max. memory is 8.0GB. [2022-03-16 07:30:24,413 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 0.11ms. Allocated memory is still 194.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.80ms. Allocated memory is still 194.0MB. Free memory was 151.8MB in the beginning and 150.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.95ms. Allocated memory is still 194.0MB. Free memory was 150.1MB in the beginning and 149.2MB in the end (delta: 898.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 188.63ms. Allocated memory is still 194.0MB. Free memory was 149.2MB in the beginning and 139.9MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 854263.29ms. Allocated memory was 194.0MB in the beginning and 639.6MB in the end (delta: 445.6MB). Free memory was 139.4MB in the beginning and 227.8MB in the end (delta: -88.3MB). Peak memory consumption was 394.9MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - 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 71 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 854.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 154, 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, 3.8s InterpolantComputationTime, 520 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 3998 SizeOfPredicates, 32 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 1197/1605 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