/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:29:05,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:29:05,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:29:05,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 01:29:05,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 01:29:05,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 01:29:05,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 01:29:05,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 01:29:05,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 01:29:05,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 01:29:05,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 01:29:05,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 01:29:05,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:29:05,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:29:05,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:29:05,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:29:05,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:29:05,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:29:05,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:29:05,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:29:05,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:29:05,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:29:05,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:29:05,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:29:05,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 01:29:05,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:29:05,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:29:05,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:29:05,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 01:29:05,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:29:05,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:29:05,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:29:05,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:29:05,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:29:05,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:29:05,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:29:05,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:29:05,269 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:29:05,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:29:05,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:29:05,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:29:05,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:29:05,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:29:05,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:29:05,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:29:05,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:29:05,273 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:29:05,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:29:05,274 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:29:05,275 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:29:05,275 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:29:05,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:29:05,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:29:05,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:29:05,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:29:05,509 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:29:05,510 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:29:05,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2022-03-04 01:29:05,512 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2022-03-04 01:29:05,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:29:05,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:29:05,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:29:05,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:29:05,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:29:05,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,567 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:29:05,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:29:05,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:29:05,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:29:05,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:29:05,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:29:05,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:29:05,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:29:05,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:29:05,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/1) ... [2022-03-04 01:29:05,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:29:05,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:29:05,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 01:29:05,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 01:29:05,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:29:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:29:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:29:05,685 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:29:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:29:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:29:05,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:29:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:29:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:29:05,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:29:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:29:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:29:05,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 01:29:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 01:29:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 01:29:05,689 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 01:29:05,736 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:29:05,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:29:05,875 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:29:05,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:29:05,891 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:29:05,896 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:29:05 BoogieIcfgContainer [2022-03-04 01:29:05,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:29:05,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:29:05,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:29:05,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:29:05,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:29:05" (1/2) ... [2022-03-04 01:29:05,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258019cb and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:29:05, skipping insertion in model container [2022-03-04 01:29:05,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:29:05" (2/2) ... [2022-03-04 01:29:05,921 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2022-03-04 01:29:05,925 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:29:05,925 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:29:05,925 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:29:05,925 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:29:05,981 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 01:29:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:29:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:29:06,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 01:29:06,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 01:29:06,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:29:06,067 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 01:29:06,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 01:29:06,581 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1006 transitions and produced 792 states. [2022-03-04 01:29:06,583 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:29:06,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:29:06,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1395233696, now seen corresponding path program 1 times [2022-03-04 01:29:06,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:29:06,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566228108] [2022-03-04 01:29:06,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:29:06,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:29:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:29:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1114 proven. 1348 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-04 01:29:08,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:29:08,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566228108] [2022-03-04 01:29:08,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566228108] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:29:08,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504018412] [2022-03-04 01:29:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:29:08,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:29:08,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:29:08,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:29:08,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 01:29:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:29:08,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-04 01:29:08,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:29:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1177 proven. 1085 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-03-04 01:29:11,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:29:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 1999 proven. 216 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2022-03-04 01:29:12,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504018412] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:29:12,106 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:29:12,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 42, 18] total 125 [2022-03-04 01:29:12,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171561530] [2022-03-04 01:29:12,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:29:12,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-03-04 01:29:12,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:29:12,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-03-04 01:29:12,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1679, Invalid=14071, Unknown=0, NotChecked=0, Total=15750 [2022-03-04 01:29:12,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:12,140 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:29:12,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 3.4682539682539684) internal successors, (437), 125 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:29:12,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:22,593 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1827 transitions and produced 1419 states. [2022-03-04 01:29:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2022-03-04 01:29:22,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 01:29:22,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 01:29:22,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:29:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:29:22,806 INFO L85 PathProgramCache]: Analyzing trace with hash 877508605, now seen corresponding path program 2 times [2022-03-04 01:29:22,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:29:22,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571814143] [2022-03-04 01:29:22,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:29:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:29:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:29:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 3021 proven. 925 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2022-03-04 01:29:23,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:29:23,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571814143] [2022-03-04 01:29:23,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571814143] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:29:23,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763772091] [2022-03-04 01:29:23,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:29:23,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:29:23,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:29:23,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:29:23,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 01:29:23,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:29:23,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:29:23,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-04 01:29:23,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:29:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 2673 proven. 925 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-03-04 01:29:26,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:29:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5865 backedges. 2673 proven. 925 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-03-04 01:29:29,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763772091] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:29:29,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:29:29,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 157 [2022-03-04 01:29:29,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147225765] [2022-03-04 01:29:29,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:29:29,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2022-03-04 01:29:29,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:29:29,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2022-03-04 01:29:29,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3315, Invalid=21491, Unknown=0, NotChecked=0, Total=24806 [2022-03-04 01:29:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:29,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:29:29,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 2.981012658227848) internal successors, (471), 157 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:29:29,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2022-03-04 01:29:29,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:37,592 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2475 transitions and produced 1919 states. [2022-03-04 01:29:37,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2022-03-04 01:29:37,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:29:37,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 01:29:37,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:29:37,799 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:29:37,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:29:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash -386614491, now seen corresponding path program 3 times [2022-03-04 01:29:37,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:29:37,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696526837] [2022-03-04 01:29:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:29:37,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:29:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:29:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14363 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 13726 trivial. 0 not checked. [2022-03-04 01:29:37,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:29:37,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696526837] [2022-03-04 01:29:37,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696526837] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 01:29:37,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 01:29:37,937 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 01:29:37,939 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669394412] [2022-03-04 01:29:37,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 01:29:37,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 01:29:37,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:29:37,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 01:29:37,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 01:29:37,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:37,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:29:37,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2022-03-04 01:29:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2022-03-04 01:29:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:29:37,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:38,766 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3278 transitions and produced 2265 states. [2022-03-04 01:29:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:29:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:29:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:29:38,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 01:29:38,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:29:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:29:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1283946805, now seen corresponding path program 4 times [2022-03-04 01:29:38,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:29:38,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922383354] [2022-03-04 01:29:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:29:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:29:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:29:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 4682 proven. 10219 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-03-04 01:29:48,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:29:48,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922383354] [2022-03-04 01:29:48,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922383354] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:29:48,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887226166] [2022-03-04 01:29:48,013 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:29:48,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:29:48,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:29:48,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:29:48,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 01:29:48,198 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:29:48,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:29:48,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 89 conjunts are in the unsatisfiable core [2022-03-04 01:29:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:29:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 7204 proven. 4351 refuted. 0 times theorem prover too weak. 4370 trivial. 0 not checked. [2022-03-04 01:29:56,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:29:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15925 backedges. 8378 proven. 3050 refuted. 0 times theorem prover too weak. 4497 trivial. 0 not checked. [2022-03-04 01:29:59,720 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887226166] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:29:59,720 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:29:59,720 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 88, 32] total 310 [2022-03-04 01:29:59,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982389916] [2022-03-04 01:29:59,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:29:59,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 311 states [2022-03-04 01:29:59,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:29:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 311 interpolants. [2022-03-04 01:29:59,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7924, Invalid=88486, Unknown=0, NotChecked=0, Total=96410 [2022-03-04 01:29:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:29:59,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:29:59,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 311 states, 311 states have (on average 2.8810289389067525) internal successors, (896), 310 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:29:59,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:29:59,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:29:59,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:29:59,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:30:30,759 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2922 transitions and produced 2232 states. [2022-03-04 01:30:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:30:30,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:30:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:30:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 418 states. [2022-03-04 01:30:30,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 01:30:30,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:30:30,978 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:30:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:30:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1422091902, now seen corresponding path program 5 times [2022-03-04 01:30:30,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:30:30,979 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829846635] [2022-03-04 01:30:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:30:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:30:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:30:37,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 5635 proven. 5282 refuted. 0 times theorem prover too weak. 3345 trivial. 0 not checked. [2022-03-04 01:30:37,058 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:30:37,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829846635] [2022-03-04 01:30:37,058 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829846635] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:30:37,058 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529886877] [2022-03-04 01:30:37,058 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:30:37,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:30:37,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:30:37,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:30:37,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 01:30:37,736 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 80 check-sat command(s) [2022-03-04 01:30:37,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:30:37,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 130 conjunts are in the unsatisfiable core [2022-03-04 01:30:37,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:30:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 6365 proven. 6654 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-03-04 01:30:48,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:30:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14262 backedges. 6365 proven. 6654 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-03-04 01:30:57,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529886877] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:30:57,571 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:30:57,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [157, 129, 81] total 365 [2022-03-04 01:30:57,573 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604551250] [2022-03-04 01:30:57,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:30:57,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 366 states [2022-03-04 01:30:57,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:30:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 366 interpolants. [2022-03-04 01:30:57,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19169, Invalid=114421, Unknown=0, NotChecked=0, Total=133590 [2022-03-04 01:30:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:30:57,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:30:57,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 366 states, 366 states have (on average 3.1557377049180326) internal successors, (1155), 365 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:30:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:30:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:30:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:30:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 418 states. [2022-03-04 01:30:57,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:31:51,493 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5843 transitions and produced 3808 states. [2022-03-04 01:31:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:31:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:31:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:31:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 732 states. [2022-03-04 01:31:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-03-04 01:31:51,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 01:31:51,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:31:51,713 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:31:51,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:31:51,713 INFO L85 PathProgramCache]: Analyzing trace with hash 751577018, now seen corresponding path program 6 times [2022-03-04 01:31:51,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:31:51,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849041266] [2022-03-04 01:31:51,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:31:51,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:31:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:32:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 16912 proven. 29225 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2022-03-04 01:32:22,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:32:22,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849041266] [2022-03-04 01:32:22,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849041266] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:32:22,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52317845] [2022-03-04 01:32:22,957 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 01:32:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:32:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:32:22,959 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:32:22,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 01:32:29,298 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 176 check-sat command(s) [2022-03-04 01:32:29,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:32:29,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-04 01:32:29,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:32:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 30621 proven. 5020 refuted. 0 times theorem prover too weak. 15333 trivial. 0 not checked. [2022-03-04 01:32:39,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:32:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 50974 backedges. 30621 proven. 5020 refuted. 0 times theorem prover too weak. 15333 trivial. 0 not checked. [2022-03-04 01:32:44,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52317845] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:32:44,593 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:32:44,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [364, 69, 69] total 490 [2022-03-04 01:32:44,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540837875] [2022-03-04 01:32:44,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:32:44,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 491 states [2022-03-04 01:32:44,595 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:32:44,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 491 interpolants. [2022-03-04 01:32:44,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38898, Invalid=201692, Unknown=0, NotChecked=0, Total=240590 [2022-03-04 01:32:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:32:44,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:32:44,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 491 states, 491 states have (on average 2.409368635437882) internal successors, (1183), 490 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 01:32:44,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 334 states. [2022-03-04 01:32:44,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:32:44,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:32:44,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 732 states. [2022-03-04 01:32:44,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-03-04 01:32:44,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:37:35,608 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15107 transitions and produced 9586 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 335 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 733 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-03-04 01:37:35,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1559 states. [2022-03-04 01:37:35,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 01:37:35,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:37:35,811 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 01:37:35,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:37:35,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1390475996, now seen corresponding path program 7 times [2022-03-04 01:37:35,812 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:37:35,812 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858876213] [2022-03-04 01:37:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:37:35,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:37:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:42:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 646323 backedges. 410136 proven. 229373 refuted. 0 times theorem prover too weak. 6814 trivial. 0 not checked. [2022-03-04 01:42:43,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:42:43,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858876213] [2022-03-04 01:42:43,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858876213] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:42:43,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220775625] [2022-03-04 01:42:43,925 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 01:42:43,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:42:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:42:43,926 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 01:42:43,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 01:42:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:42:44,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 6880 conjuncts, 201 conjunts are in the unsatisfiable core [2022-03-04 01:42:44,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 01:43:17,434 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 01:43:17,461 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:43:17,461 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:43:17,461 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:43:17,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 01:43:17,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:43:17,636 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. [2022-03-04 01:43:17,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 01:43:17,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 01:43:17,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 01:43:17,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 01:43:17,646 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-04 01:43:17,648 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:43:17,648 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:43:17,650 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:43:17 BasicIcfg [2022-03-04 01:43:17,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:43:17,651 INFO L158 Benchmark]: Toolchain (without parser) took 852112.06ms. Allocated memory was 195.0MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 158.2MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-03-04 01:43:17,651 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.57ms. Allocated memory is still 195.0MB. Free memory is still 159.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:43:17,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.10ms. Allocated memory is still 195.0MB. Free memory was 158.2MB in the beginning and 156.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:43:17,652 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 155.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:43:17,652 INFO L158 Benchmark]: RCFGBuilder took 298.90ms. Allocated memory is still 195.0MB. Free memory was 155.5MB in the beginning and 144.9MB in the end (delta: 10.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-04 01:43:17,652 INFO L158 Benchmark]: TraceAbstraction took 851735.57ms. Allocated memory was 195.0MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 144.4MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-03-04 01:43:17,653 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 0.57ms. Allocated memory is still 195.0MB. Free memory is still 159.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.10ms. Allocated memory is still 195.0MB. Free memory was 158.2MB in the beginning and 156.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 195.0MB. Free memory was 156.6MB in the beginning and 155.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 298.90ms. Allocated memory is still 195.0MB. Free memory was 155.5MB in the beginning and 144.9MB in the end (delta: 10.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 851735.57ms. Allocated memory was 195.0MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 144.4MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. - TimeoutResultAtElement [Line: 73]: 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 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. - TimeoutResultAtElement [Line: 73]: 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 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. - TimeoutResultAtElement [Line: 74]: 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 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. - TimeoutResultAtElement [Line: 75]: 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 2755 with TraceHistMax 616,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 1210 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 851.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 396.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3298, 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: 0.2s SsaConstructionTime, 8.2s SatisfiabilityAnalysisTime, 103.5s InterpolantComputationTime, 5364 NumberOfCodeBlocks, 5364 NumberOfCodeBlocksAsserted, 266 NumberOfCheckSat, 7781 ConstructedInterpolants, 0 QuantifiedInterpolants, 46931 SizeOfPredicates, 16 NumberOfNonLiveVariables, 6139 ConjunctsInSsa, 397 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 202093/282992 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