/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 11:08:30,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 11:08:30,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 11:08:30,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 11:08:30,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 11:08:30,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 11:08:30,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 11:08:30,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 11:08:30,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 11:08:30,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 11:08:30,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 11:08:30,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 11:08:30,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 11:08:30,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 11:08:30,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 11:08:31,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 11:08:31,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 11:08:31,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 11:08:31,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 11:08:31,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 11:08:31,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 11:08:31,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 11:08:31,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 11:08:31,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 11:08:31,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 11:08:31,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 11:08:31,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 11:08:31,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 11:08:31,025 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 11:08:31,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 11:08:31,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 11:08:31,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 11:08:31,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 11:08:31,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 11:08:31,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 11:08:31,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 11:08:31,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 11:08:31,046 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 11:08:31,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 11:08:31,047 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 11:08:31,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:08:31,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 11:08:31,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 11:08:31,049 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 11:08:31,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 11:08:31,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 11:08:31,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 11:08:31,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 11:08:31,225 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 11:08:31,228 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 11:08:31,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2022-03-04 11:08:31,229 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2022-03-04 11:08:31,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 11:08:31,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 11:08:31,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 11:08:31,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 11:08:31,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 11:08:31,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,269 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 11:08:31,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 11:08:31,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 11:08:31,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 11:08:31,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 11:08:31,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 11:08:31,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 11:08:31,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 11:08:31,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 11:08:31,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/1) ... [2022-03-04 11:08:31,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:08:31,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:08:31,314 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 11:08:31,346 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 11:08:31,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 11:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 11:08:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 11:08:31,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 11:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 11:08:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 11:08:31,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 11:08:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 11:08:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 11:08:31,356 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 11:08:31,389 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 11:08:31,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 11:08:31,455 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 11:08:31,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 11:08:31,460 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 11:08:31,461 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:08:31 BoogieIcfgContainer [2022-03-04 11:08:31,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 11:08:31,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 11:08:31,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 11:08:31,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 11:08:31,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:08:31" (1/2) ... [2022-03-04 11:08:31,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c228f97 and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:08:31, skipping insertion in model container [2022-03-04 11:08:31,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:08:31" (2/2) ... [2022-03-04 11:08:31,465 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2.wvr.bpl [2022-03-04 11:08:31,468 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 11:08:31,469 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 11:08:31,469 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 11:08:31,469 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 11:08:31,510 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 11:08:31,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 11:08:31,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:08:31,548 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 11:08:31,548 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 11:08:31,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 11:08:31,583 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=true, mMcrOverapproximateWrwc=true [2022-03-04 11:08:31,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 11:08:32,770 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3703 transitions and produced 3381 states. [2022-03-04 11:08:32,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 11:08:32,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:08:32,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2073864275, now seen corresponding path program 1 times [2022-03-04 11:08:32,782 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:08:32,782 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810511776] [2022-03-04 11:08:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:08:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:08:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:08:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 138707 backedges. 1629 proven. 0 refuted. 0 times theorem prover too weak. 137078 trivial. 0 not checked. [2022-03-04 11:08:33,509 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:08:33,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810511776] [2022-03-04 11:08:33,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810511776] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 11:08:33,510 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 11:08:33,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 11:08:33,511 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441143000] [2022-03-04 11:08:33,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 11:08:33,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 11:08:33,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:08:33,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 11:08:33,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-04 11:08:33,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:08:33,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:08:33,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 11:08:33,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:08:34,778 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4020 transitions and produced 3743 states. [2022-03-04 11:08:34,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:08:34,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 11:08:34,779 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 11:08:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:08:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1175706974, now seen corresponding path program 2 times [2022-03-04 11:08:34,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:08:34,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099439602] [2022-03-04 11:08:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:08:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:08:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:08:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 146938 backedges. 28844 proven. 407 refuted. 0 times theorem prover too weak. 117687 trivial. 0 not checked. [2022-03-04 11:08:35,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:08:35,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099439602] [2022-03-04 11:08:35,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099439602] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:08:35,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117470567] [2022-03-04 11:08:35,674 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:08:35,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:08:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:08:35,679 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 11:08:35,694 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 11:08:36,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:08:36,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:08:36,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-04 11:08:36,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:08:37,895 INFO L134 CoverageAnalysis]: Checked inductivity of 146938 backedges. 28844 proven. 407 refuted. 0 times theorem prover too weak. 117687 trivial. 0 not checked. [2022-03-04 11:08:37,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:08:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 146938 backedges. 28844 proven. 407 refuted. 0 times theorem prover too weak. 117687 trivial. 0 not checked. [2022-03-04 11:08:39,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117470567] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:08:39,668 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:08:39,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-03-04 11:08:39,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977820163] [2022-03-04 11:08:39,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:08:39,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 11:08:39,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:08:39,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 11:08:39,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-04 11:08:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:08:39,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:08:39,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 11:08:39,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:08:39,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:08:41,275 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5454 transitions and produced 5043 states. [2022-03-04 11:08:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:08:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:08:41,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 11:08:41,491 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 [2022-03-04 11:08:41,492 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 11:08:41,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:08:41,492 INFO L85 PathProgramCache]: Analyzing trace with hash 684897137, now seen corresponding path program 3 times [2022-03-04 11:08:41,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:08:41,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367512918] [2022-03-04 11:08:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:08:41,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:08:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:09:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 267127 backedges. 257239 proven. 9679 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-03-04 11:09:07,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:09:07,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367512918] [2022-03-04 11:09:07,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367512918] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:09:07,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166553596] [2022-03-04 11:09:07,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:09:07,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:09:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:09:07,923 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 11:09:07,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 11:09:09,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 261 check-sat command(s) [2022-03-04 11:09:09,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:09:09,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 2777 conjuncts, 396 conjunts are in the unsatisfiable core [2022-03-04 11:09:09,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:09:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 267127 backedges. 257239 proven. 9679 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-03-04 11:09:13,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:10:25,507 INFO L134 CoverageAnalysis]: Checked inductivity of 267127 backedges. 257239 proven. 9887 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 11:10:25,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166553596] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:10:25,507 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:10:25,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [291, 291, 394] total 684 [2022-03-04 11:10:25,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996715330] [2022-03-04 11:10:25,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:10:25,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 685 states [2022-03-04 11:10:25,513 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:10:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 685 interpolants. [2022-03-04 11:10:25,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223495, Invalid=245045, Unknown=0, NotChecked=0, Total=468540 [2022-03-04 11:10:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:10:25,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:10:25,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 685 states, 685 states have (on average 5.524087591240876) internal successors, (3784), 684 states have internal predecessors, (3784), 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 11:10:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:10:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:10:25,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:11:25,940 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10115 transitions and produced 9429 states. [2022-03-04 11:11:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:11:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:11:25,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 568 states. [2022-03-04 11:11:25,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 11:11:26,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:11:26,156 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 11:11:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:11:26,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1558308989, now seen corresponding path program 4 times [2022-03-04 11:11:26,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:11:26,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787327564] [2022-03-04 11:11:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:11:26,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:11:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:13:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 847812 backedges. 846024 proven. 1579 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-03-04 11:13:02,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:13:02,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787327564] [2022-03-04 11:13:02,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787327564] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:13:02,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059908224] [2022-03-04 11:13:02,807 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 11:13:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:13:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:13:02,809 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 11:13:02,809 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 11:13:03,961 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 11:13:03,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:13:04,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 4674 conjuncts, 667 conjunts are in the unsatisfiable core [2022-03-04 11:13:04,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:13:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 847812 backedges. 846024 proven. 1579 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-03-04 11:13:09,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:16:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 847812 backedges. 846024 proven. 1787 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 11:16:38,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059908224] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:16:38,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:16:38,621 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [562, 562, 665] total 1226 [2022-03-04 11:16:38,621 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472722740] [2022-03-04 11:16:38,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:16:38,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 1227 states [2022-03-04 11:16:38,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:16:38,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 1227 interpolants. [2022-03-04 11:16:38,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=749602, Invalid=754700, Unknown=0, NotChecked=0, Total=1504302 [2022-03-04 11:16:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:16:38,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:16:38,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 1227 states, 1227 states have (on average 5.295028524857376) internal successors, (6497), 1226 states have internal predecessors, (6497), 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 11:16:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:16:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 11:16:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 568 states. [2022-03-04 11:16:38,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-04 11:21:10,097 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 11:21:10,097 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 11:21:10,097 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 11:21:10,629 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 11:21:10,804 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 11:21:10,805 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-04 11:21:10,807 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-04 11:21:10,808 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 11:21:10,808 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-04 11:21:10,815 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-04 11:21:10,817 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 11:21:10,817 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 11:21:10,818 INFO L202 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 11:21:10 BasicIcfg [2022-03-04 11:21:10,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 11:21:10,819 INFO L158 Benchmark]: Toolchain (without parser) took 759571.22ms. Allocated memory was 190.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 155.8MB in the beginning and 1.2GB in the end (delta: -998.9MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-04 11:21:10,819 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 11:21:10,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.57ms. Allocated memory is still 190.8MB. Free memory was 155.7MB in the beginning and 154.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 11:21:10,820 INFO L158 Benchmark]: Boogie Preprocessor took 13.18ms. Allocated memory is still 190.8MB. Free memory was 154.2MB in the beginning and 153.3MB in the end (delta: 884.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 11:21:10,820 INFO L158 Benchmark]: RCFGBuilder took 175.35ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 144.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-04 11:21:10,821 INFO L158 Benchmark]: TraceAbstraction took 759356.82ms. Allocated memory was 190.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 144.0MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-04 11:21:10,823 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 190.8MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.57ms. Allocated memory is still 190.8MB. Free memory was 155.7MB in the beginning and 154.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.18ms. Allocated memory is still 190.8MB. Free memory was 154.2MB in the beginning and 153.3MB in the end (delta: 884.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 175.35ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 144.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 759356.82ms. Allocated memory was 190.8MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 144.0MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.8GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 44 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 759.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 336.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1144, 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: 0.4s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 416.4s InterpolantComputationTime, 14902 NumberOfCodeBlocks, 14902 NumberOfCodeBlocksAsserted, 268 NumberOfCheckSat, 21660 ConstructedInterpolants, 0 QuantifiedInterpolants, 137914 SizeOfPredicates, 6 NumberOfNonLiveVariables, 9507 ConjunctsInSsa, 1066 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 3888927/3924338 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