/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-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 07:16:48,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 07:16:48,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 07:16:48,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 07:16:48,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 07:16:48,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 07:16:48,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 07:16:48,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 07:16:48,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 07:16:48,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 07:16:48,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 07:16:48,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 07:16:48,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 07:16:48,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 07:16:48,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 07:16:48,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 07:16:48,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 07:16:48,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 07:16:48,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 07:16:48,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 07:16:48,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 07:16:48,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 07:16:48,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 07:16:48,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 07:16:48,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 07:16:48,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 07:16:48,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 07:16:48,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 07:16:48,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 07:16:48,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 07:16:48,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 07:16:48,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 07:16:48,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 07:16:48,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 07:16:48,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 07:16:48,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 07:16:48,950 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 07:16:48,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 07:16:48,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 07:16:48,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 07:16:48,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 07:16:48,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 07:16:48,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 07:16:48,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 07:16:48,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 07:16:48,981 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 07:16:48,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 07:16:48,982 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 07:16:48,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 07:16:48,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 07:16:48,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:16:48,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 07:16:48,984 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 07:16:48,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 07:16:48,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 07:16:48,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 07:16:48,985 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 07:16:48,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 07:16:49,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 07:16:49,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 07:16:49,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 07:16:49,195 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 07:16:49,197 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 07:16:49,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2022-03-16 07:16:49,198 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2022-03-16 07:16:49,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 07:16:49,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 07:16:49,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 07:16:49,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 07:16:49,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 07:16:49,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,242 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 07:16:49,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 07:16:49,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 07:16:49,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 07:16:49,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 07:16:49,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 07:16:49,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 07:16:49,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 07:16:49,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 07:16:49,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/1) ... [2022-03-16 07:16:49,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 07:16:49,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:49,276 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 07:16:49,284 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 07:16:49,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 07:16:49,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 07:16:49,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 07:16:49,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 07:16:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 07:16:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 07:16:49,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 07:16:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 07:16:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 07:16:49,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 07:16:49,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 07:16:49,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 07:16:49,304 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 07:16:49,344 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 07:16:49,345 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 07:16:49,456 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 07:16:49,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 07:16:49,466 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 07:16:49,468 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:16:49 BoogieIcfgContainer [2022-03-16 07:16:49,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 07:16:49,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 07:16:49,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 07:16:49,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 07:16:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 07:16:49" (1/2) ... [2022-03-16 07:16:49,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf64b42 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 07:16:49, skipping insertion in model container [2022-03-16 07:16:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 07:16:49" (2/2) ... [2022-03-16 07:16:49,476 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2022-03-16 07:16:49,482 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 07:16:49,482 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 07:16:49,482 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 07:16:49,482 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 07:16:49,534 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 07:16:49,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 07:16:49,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:49,575 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 07:16:49,576 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 07:16:49,623 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 07:16:49,630 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 07:16:49,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 07:16:49,980 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1795 transitions and produced 705 states. [2022-03-16 07:16:49,982 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1048686744, now seen corresponding path program 1 times [2022-03-16 07:16:49,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:49,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86625390] [2022-03-16 07:16:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:49,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:50,501 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 07:16:50,501 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:50,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86625390] [2022-03-16 07:16:50,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86625390] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:50,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315080348] [2022-03-16 07:16:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:50,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:50,505 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 07:16:50,505 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 07:16:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:50,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 07:16:50,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:50,801 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 07:16:50,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:50,999 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 07:16:50,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315080348] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:50,999 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:51,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 28 [2022-03-16 07:16:51,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715555743] [2022-03-16 07:16:51,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:51,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-16 07:16:51,007 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:51,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-16 07:16:51,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2022-03-16 07:16:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:51,023 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:51,025 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 07:16:51,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:51,489 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1806 transitions and produced 716 states. [2022-03-16 07:16:51,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:51,509 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 07:16:51,703 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 07:16:51,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:51,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1373401866, now seen corresponding path program 2 times [2022-03-16 07:16:51,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:51,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084571844] [2022-03-16 07:16:51,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:51,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:51,914 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 07:16:51,915 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:51,915 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084571844] [2022-03-16 07:16:51,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084571844] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:51,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034711959] [2022-03-16 07:16:51,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 07:16:51,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:51,925 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 07:16:51,927 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 07:16:51,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 07:16:51,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:51,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 07:16:51,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:52,157 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 07:16:52,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:52,354 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 07:16:52,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034711959] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:52,355 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:52,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 10] total 32 [2022-03-16 07:16:52,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271991626] [2022-03-16 07:16:52,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:52,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-16 07:16:52,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:52,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-16 07:16:52,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2022-03-16 07:16:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:52,358 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:52,358 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 07:16:52,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:52,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:52,806 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1817 transitions and produced 727 states. [2022-03-16 07:16:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:52,822 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 07:16:53,007 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 07:16:53,007 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:53,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1128281644, now seen corresponding path program 3 times [2022-03-16 07:16:53,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:53,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370859908] [2022-03-16 07:16:53,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:53,238 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 07:16:53,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:53,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370859908] [2022-03-16 07:16:53,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370859908] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:53,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128701869] [2022-03-16 07:16:53,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 07:16:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:53,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:53,241 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 07:16:53,242 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 07:16:53,276 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-16 07:16:53,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:53,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 07:16:53,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:53,568 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 07:16:53,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:53,841 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 07:16:53,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128701869] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:53,842 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:53,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 13] total 40 [2022-03-16 07:16:53,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144546009] [2022-03-16 07:16:53,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:53,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-03-16 07:16:53,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:53,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-03-16 07:16:53,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1279, Unknown=0, NotChecked=0, Total=1560 [2022-03-16 07:16:53,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:53,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:53,844 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 07:16:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:53,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:54,231 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 233 states. [2022-03-16 07:16:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:54,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 07:16:54,443 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 07:16:54,444 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:54,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1790949582, now seen corresponding path program 4 times [2022-03-16 07:16:54,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:54,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405171648] [2022-03-16 07:16:54,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:54,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:54,575 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 07:16:54,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:54,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405171648] [2022-03-16 07:16:54,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405171648] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:54,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390800139] [2022-03-16 07:16:54,576 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 07:16:54,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:54,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:54,577 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 07:16:54,583 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 07:16:54,614 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 07:16:54,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:54,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 07:16:54,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:54,877 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 07:16:54,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:55,103 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 07:16:55,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390800139] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:55,103 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:55,103 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2022-03-16 07:16:55,103 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350967204] [2022-03-16 07:16:55,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:55,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-16 07:16:55,104 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:55,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-16 07:16:55,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2022-03-16 07:16:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:55,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:55,105 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 07:16:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:55,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:55,796 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1839 transitions and produced 749 states. [2022-03-16 07:16:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:55,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:55,816 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 07:16:56,016 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 07:16:56,016 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:56,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1335289104, now seen corresponding path program 5 times [2022-03-16 07:16:56,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:56,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340576554] [2022-03-16 07:16:56,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:56,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:16:56,233 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 07:16:56,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:16:56,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340576554] [2022-03-16 07:16:56,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340576554] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:16:56,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469304396] [2022-03-16 07:16:56,234 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 07:16:56,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:16:56,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:16:56,235 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 07:16:56,236 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 07:16:56,308 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-16 07:16:56,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:16:56,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-16 07:16:56,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:16:56,787 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 07:16:56,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:16:57,363 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 07:16:57,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469304396] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 07:16:57,364 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 07:16:57,364 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-16 07:16:57,364 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700059732] [2022-03-16 07:16:57,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 07:16:57,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-16 07:16:57,365 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 07:16:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-16 07:16:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=3071, Unknown=0, NotChecked=0, Total=3906 [2022-03-16 07:16:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:57,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 07:16:57,368 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 07:16:57,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:57,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:57,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:57,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:57,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 07:16:58,160 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 309 states. [2022-03-16 07:16:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 07:16:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-16 07:16:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-16 07:16:58,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-16 07:16:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-16 07:16:58,183 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 07:16:58,375 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 07:16:58,375 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 07:16:58,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 07:16:58,376 INFO L85 PathProgramCache]: Analyzing trace with hash 189678626, now seen corresponding path program 6 times [2022-03-16 07:16:58,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 07:16:58,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500566804] [2022-03-16 07:16:58,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 07:16:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 07:16:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 07:17:00,462 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 07:17:00,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 07:17:00,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500566804] [2022-03-16 07:17:00,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500566804] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 07:17:00,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723339840] [2022-03-16 07:17:00,463 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 07:17:00,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 07:17:00,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 07:17:00,476 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 07:17:00,477 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 07:17:00,525 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-16 07:17:00,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 07:17:00,527 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 114 conjunts are in the unsatisfiable core [2022-03-16 07:17:00,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 07:17:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:17:05,042 INFO L244 Elim1Store]: Index analysis took 166 ms [2022-03-16 07:17:06,537 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 07:17:06,538 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 07:23:04,831 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 07:23:04,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 07:25:24,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:25:24,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:25:24,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:25:24,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:24,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:25:25,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,048 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 07:25:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 07:25:25,077 INFO L244 Elim1Store]: Index analysis took 373 ms [2022-03-16 07:25:37,756 WARN L228 SmtUtils]: Spent 12.67s 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 07:25:37,757 INFO L353 Elim1Store]: treesize reduction 290, result has 83.2 percent of original size [2022-03-16 07:25:37,758 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 07:31:05,131 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 07:31:05,134 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 07:31:05,136 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 07:31:05,142 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 07:31:05,143 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 07:31:05,155 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 07:31:05,337 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 07:31:05,337 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 27ms.. [2022-03-16 07:31:05,338 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 07:31:05,339 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 07:31:05,339 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 07:31:05,342 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 07:31:05,343 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 07:31:05,344 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 07:31:05,345 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 07:31:05 BasicIcfg [2022-03-16 07:31:05,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 07:31:05,345 INFO L158 Benchmark]: Toolchain (without parser) took 856121.74ms. Allocated memory was 197.1MB in the beginning and 766.5MB in the end (delta: 569.4MB). Free memory was 163.1MB in the beginning and 561.0MB in the end (delta: -397.9MB). Peak memory consumption was 492.4MB. Max. memory is 8.0GB. [2022-03-16 07:31:05,346 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:31:05,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.07ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 161.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 07:31:05,346 INFO L158 Benchmark]: Boogie Preprocessor took 10.43ms. Allocated memory is still 197.1MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 995.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 07:31:05,346 INFO L158 Benchmark]: RCFGBuilder took 212.74ms. Allocated memory is still 197.1MB. Free memory was 160.6MB in the beginning and 151.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 07:31:05,347 INFO L158 Benchmark]: TraceAbstraction took 855876.31ms. Allocated memory was 197.1MB in the beginning and 766.5MB in the end (delta: 569.4MB). Free memory was 150.7MB in the beginning and 561.0MB in the end (delta: -410.2MB). Peak memory consumption was 480.9MB. Max. memory is 8.0GB. [2022-03-16 07:31:05,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.07ms. Allocated memory is still 197.1MB. Free memory was 163.1MB in the beginning and 161.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.43ms. Allocated memory is still 197.1MB. Free memory was 161.6MB in the beginning and 160.6MB in the end (delta: 995.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 212.74ms. Allocated memory is still 197.1MB. Free memory was 160.6MB in the beginning and 151.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 855876.31ms. Allocated memory was 197.1MB in the beginning and 766.5MB in the end (delta: 569.4MB). Free memory was 150.7MB in the beginning and 561.0MB in the end (delta: -410.2MB). Peak memory consumption was 480.9MB. 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 27ms.. - 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 27ms.. - 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 27ms.. - 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 27ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 855.8s, 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, 4.0s 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