/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 14:59:10,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 14:59:10,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 14:59:11,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 14:59:11,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 14:59:11,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 14:59:11,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 14:59:11,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 14:59:11,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 14:59:11,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 14:59:11,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 14:59:11,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 14:59:11,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 14:59:11,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 14:59:11,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 14:59:11,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 14:59:11,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 14:59:11,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 14:59:11,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 14:59:11,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 14:59:11,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 14:59:11,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 14:59:11,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 14:59:11,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 14:59:11,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 14:59:11,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 14:59:11,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 14:59:11,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 14:59:11,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 14:59:11,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 14:59:11,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 14:59:11,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 14:59:11,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 14:59:11,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 14:59:11,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 14:59:11,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 14:59:11,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 14:59:11,075 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 14:59:11,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 14:59:11,076 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 14:59:11,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 14:59:11,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 14:59:11,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 14:59:11,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 14:59:11,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 14:59:11,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 14:59:11,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:59:11,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 14:59:11,079 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 14:59:11,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 14:59:11,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 14:59:11,080 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 14:59:11,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 14:59:11,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 14:59:11,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 14:59:11,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 14:59:11,280 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 14:59:11,281 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 14:59:11,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl [2022-02-09 14:59:11,282 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/commit-2.wvr.bpl' [2022-02-09 14:59:11,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 14:59:11,314 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 14:59:11,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 14:59:11,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 14:59:11,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 14:59:11,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,334 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 14:59:11,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 14:59:11,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 14:59:11,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 14:59:11,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 14:59:11,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 14:59:11,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 14:59:11,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 14:59:11,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 14:59:11,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/1) ... [2022-02-09 14:59:11,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 14:59:11,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:11,388 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) [2022-02-09 14:59:11,399 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 [2022-02-09 14:59:11,417 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 14:59:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 14:59:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 14:59:11,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 14:59:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 14:59:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 14:59:11,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 14:59:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 14:59:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 14:59:11,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 14:59:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 14:59:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 14:59:11,418 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 14:59:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 14:59:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 14:59:11,419 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 14:59:11,458 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 14:59:11,459 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 14:59:11,555 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 14:59:11,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 14:59:11,621 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-09 14:59:11,622 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-02-09 14:59:11,622 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-09 14:59:11,622 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-09 14:59:11,622 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-09 14:59:11,623 INFO L202 PluginConnector]: Adding new model commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:59:11 BoogieIcfgContainer [2022-02-09 14:59:11,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 14:59:11,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 14:59:11,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 14:59:11,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 14:59:11,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 02:59:11" (1/2) ... [2022-02-09 14:59:11,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7ce13a and model type commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 02:59:11, skipping insertion in model container [2022-02-09 14:59:11,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 02:59:11" (2/2) ... [2022-02-09 14:59:11,634 INFO L111 eAbstractionObserver]: Analyzing ICFG commit-2.wvr.bpl [2022-02-09 14:59:11,649 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 14:59:11,649 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 14:59:11,649 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 14:59:11,649 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 14:59:11,706 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 14:59:11,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 14:59:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:11,757 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) [2022-02-09 14:59:11,780 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 [2022-02-09 14:59:11,804 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 14:59:11,812 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 [2022-02-09 14:59:11,813 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 14:59:12,042 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:12,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:12,046 INFO L85 PathProgramCache]: Analyzing trace with hash -953795070, now seen corresponding path program 1 times [2022-02-09 14:59:12,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:12,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151727226] [2022-02-09 14:59:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:12,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:12,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:12,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151727226] [2022-02-09 14:59:12,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151727226] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:59:12,146 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 14:59:12,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 14:59:12,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986349886] [2022-02-09 14:59:12,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:59:12,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 14:59:12,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:12,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 14:59:12,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 14:59:12,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:12,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:12,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-02-09 14:59:12,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:12,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 14:59:12,271 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:12,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1925270153, now seen corresponding path program 1 times [2022-02-09 14:59:12,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:12,273 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718007613] [2022-02-09 14:59:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:12,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:12,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:12,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718007613] [2022-02-09 14:59:12,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718007613] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:12,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418522781] [2022-02-09 14:59:12,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:12,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:12,341 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) [2022-02-09 14:59:12,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 14:59:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:12,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 14:59:12,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:12,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:12,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418522781] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:12,585 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:12,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2022-02-09 14:59:12,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025729930] [2022-02-09 14:59:12,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:12,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 14:59:12,587 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:12,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 14:59:12,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 14:59:12,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:12,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:12,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-02-09 14:59:12,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:12,912 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,SelfDestructingSolverStorable1 [2022-02-09 14:59:12,913 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:12,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash -815648019, now seen corresponding path program 1 times [2022-02-09 14:59:12,914 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:12,914 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771662689] [2022-02-09 14:59:12,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:12,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:12,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:12,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771662689] [2022-02-09 14:59:12,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771662689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:59:12,947 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 14:59:12,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 14:59:12,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906509903] [2022-02-09 14:59:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:59:12,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 14:59:12,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:12,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 14:59:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 14:59:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:12,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:12,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-09 14:59:12,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:12,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 14:59:13,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:13,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:13,024 INFO L85 PathProgramCache]: Analyzing trace with hash 115234569, now seen corresponding path program 1 times [2022-02-09 14:59:13,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:13,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475200691] [2022-02-09 14:59:13,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:13,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:13,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:13,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475200691] [2022-02-09 14:59:13,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475200691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:59:13,063 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 14:59:13,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 14:59:13,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148631433] [2022-02-09 14:59:13,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:59:13,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 14:59:13,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 14:59:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 14:59:13,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:13,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2022-02-09 14:59:13,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 14:59:13,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:13,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1092176275, now seen corresponding path program 1 times [2022-02-09 14:59:13,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:13,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636792551] [2022-02-09 14:59:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:13,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:13,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636792551] [2022-02-09 14:59:13,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636792551] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:13,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700113709] [2022-02-09 14:59:13,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:13,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:13,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:13,216 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) [2022-02-09 14:59:13,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 14:59:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:13,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 14:59:13,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:13,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:13,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:13,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700113709] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:13,484 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:13,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2022-02-09 14:59:13,484 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697202849] [2022-02-09 14:59:13,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:13,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 14:59:13,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:13,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 14:59:13,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-09 14:59:13,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,488 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:13,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-02-09 14:59:13,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 14:59:13,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:13,772 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:13,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:13,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1930420094, now seen corresponding path program 1 times [2022-02-09 14:59:13,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:13,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415636885] [2022-02-09 14:59:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:13,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:13,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:13,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415636885] [2022-02-09 14:59:13,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415636885] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:13,847 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238646029] [2022-02-09 14:59:13,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:13,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:13,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:13,849 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) [2022-02-09 14:59:13,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 14:59:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-09 14:59:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 14:59:13,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 14:59:13,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238646029] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 14:59:13,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 14:59:13,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-02-09 14:59:13,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143022370] [2022-02-09 14:59:13,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 14:59:13,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 14:59:13,929 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:13,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 14:59:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-09 14:59:13,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:13,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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) [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:13,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:14,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:14,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:14,200 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:14,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:14,200 INFO L85 PathProgramCache]: Analyzing trace with hash -3277216, now seen corresponding path program 2 times [2022-02-09 14:59:14,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:14,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860041536] [2022-02-09 14:59:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:14,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:14,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:14,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860041536] [2022-02-09 14:59:14,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860041536] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:14,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289857523] [2022-02-09 14:59:14,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:59:14,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:14,265 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) [2022-02-09 14:59:14,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 14:59:14,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:59:14,295 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:14,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-09 14:59:14,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:14,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:14,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-09 14:59:14,529 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-09 14:59:14,611 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:14,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 142 [2022-02-09 14:59:14,619 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:14,620 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 134 [2022-02-09 14:59:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:15,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289857523] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:15,166 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:15,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-02-09 14:59:15,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300041425] [2022-02-09 14:59:15,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:15,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 14:59:15,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:15,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 14:59:15,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-09 14:59:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:15,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:15,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 14:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:15,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:15,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:15,509 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:15,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1326552555, now seen corresponding path program 3 times [2022-02-09 14:59:15,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:15,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453372853] [2022-02-09 14:59:15,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:15,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:15,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:15,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453372853] [2022-02-09 14:59:15,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453372853] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:15,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181978140] [2022-02-09 14:59:15,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 14:59:15,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:15,564 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) [2022-02-09 14:59:15,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 14:59:15,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 14:59:15,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:15,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 14:59:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:15,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:15,910 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 269 [2022-02-09 14:59:15,914 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 269 treesize of output 267 [2022-02-09 14:59:16,154 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:16,155 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 235 treesize of output 229 [2022-02-09 14:59:16,161 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:16,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 223 [2022-02-09 14:59:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:16,714 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181978140] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:16,714 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:16,714 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-02-09 14:59:16,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006349988] [2022-02-09 14:59:16,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:16,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 14:59:16,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 14:59:16,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-02-09 14:59:16,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:16,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:16,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 11 states have internal predecessors, (46), 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) [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:16,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 14:59:17,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:17,099 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:17,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1949856576, now seen corresponding path program 4 times [2022-02-09 14:59:17,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:17,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439146245] [2022-02-09 14:59:17,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:17,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:17,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:17,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439146245] [2022-02-09 14:59:17,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439146245] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:17,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39460854] [2022-02-09 14:59:17,192 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 14:59:17,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:17,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:17,193 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) [2022-02-09 14:59:17,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 14:59:17,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 14:59:17,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-09 14:59:17,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:17,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:17,820 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:17,821 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 386 treesize of output 388 [2022-02-09 14:59:17,830 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:17,831 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 380 treesize of output 382 [2022-02-09 14:59:18,222 INFO L353 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2022-02-09 14:59:18,222 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 185 treesize of output 183 [2022-02-09 14:59:18,229 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:18,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 165 treesize of output 163 [2022-02-09 14:59:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:18,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39460854] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:18,927 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:18,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-02-09 14:59:18,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32131721] [2022-02-09 14:59:18,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:18,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 14:59:18,928 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 14:59:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-02-09 14:59:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:18,928 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:18,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 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) [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:18,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:19,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-09 14:59:19,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:19,385 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:19,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:19,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1112134539, now seen corresponding path program 5 times [2022-02-09 14:59:19,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:19,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338884995] [2022-02-09 14:59:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:19,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:19,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:19,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338884995] [2022-02-09 14:59:19,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338884995] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:19,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539597290] [2022-02-09 14:59:19,544 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 14:59:19,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:19,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:19,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:59:19,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 14:59:19,601 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-09 14:59:19,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:19,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 14:59:19,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:19,776 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-09 14:59:19,782 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-09 14:59:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:19,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:21,069 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:21,069 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 540 treesize of output 542 [2022-02-09 14:59:21,079 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:21,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 534 treesize of output 536 [2022-02-09 14:59:22,014 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-02-09 14:59:22,015 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 343 treesize of output 337 [2022-02-09 14:59:22,043 INFO L353 Elim1Store]: treesize reduction 18, result has 67.3 percent of original size [2022-02-09 14:59:22,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 321 treesize of output 325 [2022-02-09 14:59:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:23,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539597290] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:23,406 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:23,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2022-02-09 14:59:23,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282645575] [2022-02-09 14:59:23,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:23,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-09 14:59:23,407 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:23,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-09 14:59:23,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-02-09 14:59:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:23,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:23,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 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) [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:59:23,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:23,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 14:59:23,795 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:23,795 INFO L85 PathProgramCache]: Analyzing trace with hash 855189912, now seen corresponding path program 6 times [2022-02-09 14:59:23,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:23,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576074778] [2022-02-09 14:59:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:23,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 14:59:23,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:23,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576074778] [2022-02-09 14:59:23,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576074778] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:23,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302785047] [2022-02-09 14:59:23,894 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 14:59:23,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:23,896 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:59:23,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 14:59:23,972 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-02-09 14:59:23,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:23,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 14:59:23,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 14:59:24,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:24,877 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:24,878 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 384 treesize of output 384 [2022-02-09 14:59:24,885 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:24,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 376 treesize of output 376 [2022-02-09 14:59:25,293 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:25,293 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 159 treesize of output 155 [2022-02-09 14:59:25,296 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 69 [2022-02-09 14:59:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 14:59:25,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302785047] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:25,816 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:25,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-02-09 14:59:25,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479611267] [2022-02-09 14:59:25,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:25,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 14:59:25,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:25,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 14:59:25,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-02-09 14:59:25,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:25,817 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:25,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 16 states have internal predecessors, (45), 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) [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 14:59:25,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-09 14:59:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:59:26,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:27,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:27,052 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:27,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:27,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1573680949, now seen corresponding path program 1 times [2022-02-09 14:59:27,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:27,053 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378977978] [2022-02-09 14:59:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:27,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:27,102 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:27,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378977978] [2022-02-09 14:59:27,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378977978] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:27,102 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504573741] [2022-02-09 14:59:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:27,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:27,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:27,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:59:27,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 14:59:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:27,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-09 14:59:27,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:27,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:27,364 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 269 [2022-02-09 14:59:27,371 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:27,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 290 treesize of output 284 [2022-02-09 14:59:27,375 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 255 [2022-02-09 14:59:27,379 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 255 treesize of output 253 [2022-02-09 14:59:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:27,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504573741] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 14:59:27,916 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 14:59:27,916 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-02-09 14:59:27,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500150625] [2022-02-09 14:59:27,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 14:59:27,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-09 14:59:27,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 14:59:27,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-09 14:59:27,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-02-09 14:59:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:27,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 14:59:27,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 states have internal predecessors, (45), 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) [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-02-09 14:59:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:59:27,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 14:59:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 14:59:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 14:59:28,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 14:59:28,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 14:59:28,422 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 14:59:28,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 14:59:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash 171588779, now seen corresponding path program 2 times [2022-02-09 14:59:28,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 14:59:28,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846976285] [2022-02-09 14:59:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 14:59:28,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 14:59:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 14:59:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:28,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 14:59:28,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846976285] [2022-02-09 14:59:28,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846976285] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 14:59:28,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903967598] [2022-02-09 14:59:28,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 14:59:28,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 14:59:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 14:59:28,528 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 14:59:28,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 14:59:28,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 14:59:28,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 14:59:28,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-09 14:59:28,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 14:59:28,849 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-09 14:59:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 14:59:28,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 14:59:30,206 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:30,206 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 540 treesize of output 546 [2022-02-09 14:59:30,219 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:30,222 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 522 treesize of output 524 [2022-02-09 14:59:32,384 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:32,385 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 391 treesize of output 389 [2022-02-09 14:59:32,757 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 14:59:32,758 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 381 treesize of output 855 Received shutdown request... [2022-02-09 15:13:37,116 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 15:13:37,117 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-09 15:13:37,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 15:13:37,139 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 [2022-02-09 15:13:37,139 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 15:13:37,139 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 [2022-02-09 15:13:37,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-09 15:13:37,323 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. [2022-02-09 15:13:37,325 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 15:13:37,325 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 15:13:37,325 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 15:13:37,325 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 15:13:37,329 INFO L732 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1] [2022-02-09 15:13:37,330 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 15:13:37,330 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 15:13:37,334 INFO L202 PluginConnector]: Adding new model commit-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 03:13:37 BasicIcfg [2022-02-09 15:13:37,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 15:13:37,337 INFO L158 Benchmark]: Toolchain (without parser) took 866020.27ms. Allocated memory was 174.1MB in the beginning and 780.1MB in the end (delta: 606.1MB). Free memory was 132.6MB in the beginning and 284.4MB in the end (delta: -151.8MB). Peak memory consumption was 487.1MB. Max. memory is 8.0GB. [2022-02-09 15:13:37,338 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:13:37,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.23ms. Allocated memory is still 174.1MB. Free memory was 132.5MB in the beginning and 131.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:13:37,338 INFO L158 Benchmark]: Boogie Preprocessor took 14.96ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 129.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:13:37,338 INFO L158 Benchmark]: RCFGBuilder took 271.65ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 113.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-09 15:13:37,338 INFO L158 Benchmark]: TraceAbstraction took 865709.31ms. Allocated memory was 174.1MB in the beginning and 780.1MB in the end (delta: 606.1MB). Free memory was 113.2MB in the beginning and 284.4MB in the end (delta: -171.2MB). Peak memory consumption was 468.2MB. Max. memory is 8.0GB. [2022-02-09 15:13:37,339 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 0.10ms. Allocated memory is still 174.1MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.23ms. Allocated memory is still 174.1MB. Free memory was 132.5MB in the beginning and 131.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.96ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 129.8MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 271.65ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 113.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 865709.31ms. Allocated memory was 174.1MB in the beginning and 780.1MB in the end (delta: 606.1MB). Free memory was 113.2MB in the beginning and 284.4MB in the end (delta: -171.2MB). Peak memory consumption was 468.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1971, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 409, negative conditional: 397, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1678, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 116, negative conditional: 104, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1678, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 116, negative conditional: 104, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 1109, positive unconditional: 453, negative: 800, negative conditional: 684, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 681, positive unconditional: 881, negative: 800, negative conditional: 665, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 681, positive unconditional: 881, negative: 800, negative conditional: 665, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 457, positive: 347, positive conditional: 29, positive unconditional: 318, negative: 110, negative conditional: 98, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 457, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 142, positive: 32, positive conditional: 29, positive unconditional: 3, negative: 110, negative conditional: 98, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, positive: 105, positive conditional: 98, positive unconditional: 7, negative: 643, negative conditional: 481, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2362, positive: 1215, positive conditional: 652, positive unconditional: 563, negative: 690, negative conditional: 567, negative unconditional: 123, unknown: 457, unknown conditional: 127, unknown unconditional: 330] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 347, Positive conditional cache size: 29, Positive unconditional cache size: 318, Negative cache size: 110, Negative conditional cache size: 98, Negative unconditional cache size: 12, Eliminated conditions: 447, Maximal queried relation: 12, Independence queries for same thread: 293 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 23, Number of trivial persistent sets: 16, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, positive: 318, positive conditional: 0, positive unconditional: 318, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1971, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 409, negative conditional: 397, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1678, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 116, negative conditional: 104, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1678, positive: 1562, positive conditional: 1244, positive unconditional: 318, negative: 116, negative conditional: 104, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 1109, positive unconditional: 453, negative: 800, negative conditional: 684, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 681, positive unconditional: 881, negative: 800, negative conditional: 665, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2362, positive: 1562, positive conditional: 681, positive unconditional: 881, negative: 800, negative conditional: 665, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 457, positive: 347, positive conditional: 29, positive unconditional: 318, negative: 110, negative conditional: 98, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 457, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 142, positive: 32, positive conditional: 29, positive unconditional: 3, negative: 110, negative conditional: 98, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, positive: 105, positive conditional: 98, positive unconditional: 7, negative: 643, negative conditional: 481, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2362, positive: 1215, positive conditional: 652, positive unconditional: 563, negative: 690, negative conditional: 567, negative unconditional: 123, unknown: 457, unknown conditional: 127, unknown unconditional: 330] , Statistics on independence cache: Total cache size (in pairs): 457, Positive cache size: 347, Positive conditional cache size: 29, Positive unconditional cache size: 318, Negative cache size: 110, Negative conditional cache size: 98, Negative unconditional cache size: 12, Eliminated conditions: 447, Maximal queried relation: 12, Independence queries for same thread: 293 - 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: 172]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. - TimeoutResultAtElement [Line: 164]: 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 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. - TimeoutResultAtElement [Line: 163]: 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 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. - TimeoutResultAtElement [Line: 165]: 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 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. - TimeoutResultAtElement [Line: 163]: 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 21 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 16ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 34 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 865.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 77, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 493 ConstructedInterpolants, 4 QuantifiedInterpolants, 7956 SizeOfPredicates, 123 NumberOfNonLiveVariables, 614 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 29 InterpolantComputations, 4 PerfectInterpolantSequences, 59/147 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