/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 10:59:49,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 10:59:49,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 10:59:50,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 10:59:50,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 10:59:50,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 10:59:50,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 10:59:50,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 10:59:50,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 10:59:50,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 10:59:50,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 10:59:50,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 10:59:50,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 10:59:50,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 10:59:50,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 10:59:50,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 10:59:50,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 10:59:50,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 10:59:50,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 10:59:50,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 10:59:50,088 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.epf [2022-03-16 10:59:50,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 10:59:50,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 10:59:50,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 10:59:50,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 10:59:50,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 10:59:50,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 10:59:50,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 10:59:50,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 10:59:50,121 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 10:59:50,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 10:59:50,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 10:59:50,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 10:59:50,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 10:59:50,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:59:50,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 10:59:50,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 10:59:50,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 10:59:50,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 10:59:50,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 10:59:50,125 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 10:59:50,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 10:59:50,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 10:59:50,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 10:59:50,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 10:59:50,364 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 10:59:50,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 10:59:50,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl [2022-03-16 10:59:50,367 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-3.wvr.bpl' [2022-03-16 10:59:50,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 10:59:50,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 10:59:50,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 10:59:50,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 10:59:50,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 10:59:50,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,417 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 10:59:50,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 10:59:50,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 10:59:50,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 10:59:50,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 10:59:50,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 10:59:50,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 10:59:50,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 10:59:50,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 10:59:50,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/1) ... [2022-03-16 10:59:50,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:59:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:59:50,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 10:59:50,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 10:59:50,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 10:59:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 10:59:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 10:59:50,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 10:59:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 10:59:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 10:59:50,498 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 10:59:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 10:59:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 10:59:50,498 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 10:59:50,530 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 10:59:50,531 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 10:59:50,604 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 10:59:50,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 10:59:50,610 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 10:59:50,611 INFO L202 PluginConnector]: Adding new model misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:59:50 BoogieIcfgContainer [2022-03-16 10:59:50,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 10:59:50,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 10:59:50,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 10:59:50,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 10:59:50,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:59:50" (1/2) ... [2022-03-16 10:59:50,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92df85c and model type misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:59:50, skipping insertion in model container [2022-03-16 10:59:50,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:59:50" (2/2) ... [2022-03-16 10:59:50,626 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-3.wvr.bpl [2022-03-16 10:59:50,630 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 10:59:50,631 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 10:59:50,631 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 10:59:50,631 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 10:59:50,675 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 10:59:50,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 10:59:50,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:59:50,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 10:59:50,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 10:59:50,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 10:59:50,795 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=true [2022-03-16 10:59:50,795 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 11:00:11,209 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2329729 transitions and produced 1032387 states. [2022-03-16 11:00:11,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:11,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash 919955025, now seen corresponding path program 1 times [2022-03-16 11:00:11,226 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:11,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854237534] [2022-03-16 11:00:11,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:11,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 344479 backedges. 1648 proven. 0 refuted. 0 times theorem prover too weak. 342831 trivial. 0 not checked. [2022-03-16 11:00:12,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:12,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854237534] [2022-03-16 11:00:12,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854237534] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:12,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:12,990 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:00:12,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528367902] [2022-03-16 11:00:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:13,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 11:00:13,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:13,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 11:00:13,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 11:00:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:13,206 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:13,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:13,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:22,149 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 823290 transitions and produced 346254 states. [2022-03-16 11:00:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:22,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 11:00:22,152 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:22,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:22,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1783575660, now seen corresponding path program 1 times [2022-03-16 11:00:22,157 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:22,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365319458] [2022-03-16 11:00:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:22,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 5329 proven. 0 refuted. 0 times theorem prover too weak. 7879 trivial. 0 not checked. [2022-03-16 11:00:22,427 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:22,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365319458] [2022-03-16 11:00:22,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365319458] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:22,428 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:22,428 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:00:22,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195717962] [2022-03-16 11:00:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:22,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 11:00:22,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:22,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 11:00:22,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 11:00:22,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:22,434 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:22,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:22,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:22,813 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20592 transitions and produced 11677 states. [2022-03-16 11:00:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:22,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:22,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 11:00:22,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:22,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1830119342, now seen corresponding path program 1 times [2022-03-16 11:00:22,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:22,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230639370] [2022-03-16 11:00:22,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:22,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 31621 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 31473 trivial. 0 not checked. [2022-03-16 11:00:23,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:23,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230639370] [2022-03-16 11:00:23,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230639370] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:23,220 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:23,220 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 11:00:23,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613169150] [2022-03-16 11:00:23,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:23,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:00:23,222 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:23,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:00:23,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:00:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:23,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:23,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:23,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:23,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:23,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:23,989 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 35518 transitions and produced 19641 states. [2022-03-16 11:00:23,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:23,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 11:00:23,990 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:23,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:23,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1818971316, now seen corresponding path program 1 times [2022-03-16 11:00:23,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:23,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541108693] [2022-03-16 11:00:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:23,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 142201 backedges. 71151 proven. 0 refuted. 0 times theorem prover too weak. 71050 trivial. 0 not checked. [2022-03-16 11:00:24,676 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:24,676 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541108693] [2022-03-16 11:00:24,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541108693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:24,677 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:24,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:00:24,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633308551] [2022-03-16 11:00:24,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:24,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:00:24,685 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:24,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:00:24,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:00:24,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:24,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:24,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:24,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:24,811 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4046 transitions and produced 2929 states. [2022-03-16 11:00:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:24,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-16 11:00:24,814 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:24,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:24,816 INFO L85 PathProgramCache]: Analyzing trace with hash -622047136, now seen corresponding path program 1 times [2022-03-16 11:00:24,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:24,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161489019] [2022-03-16 11:00:24,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:24,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 40563 backedges. 9103 proven. 0 refuted. 0 times theorem prover too weak. 31460 trivial. 0 not checked. [2022-03-16 11:00:25,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:25,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161489019] [2022-03-16 11:00:25,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161489019] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:25,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:25,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:00:25,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348453998] [2022-03-16 11:00:25,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:25,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:00:25,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:00:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:00:25,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:25,033 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:25,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:25,074 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2032 transitions and produced 1933 states. [2022-03-16 11:00:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-16 11:00:25,083 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:25,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1109179106, now seen corresponding path program 2 times [2022-03-16 11:00:25,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:25,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410680866] [2022-03-16 11:00:25,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 31107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31107 trivial. 0 not checked. [2022-03-16 11:00:25,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:25,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410680866] [2022-03-16 11:00:25,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410680866] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:00:25,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:00:25,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 11:00:25,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297779803] [2022-03-16 11:00:25,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:00:25,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:00:25,310 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:25,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:00:25,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:00:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:25,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:25,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:25,388 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3771 transitions and produced 2904 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:25,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 11:00:25,390 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 11:00:25,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:00:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1996682787, now seen corresponding path program 2 times [2022-03-16 11:00:25,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:00:25,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130928421] [2022-03-16 11:00:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:00:25,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:00:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:00:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 31107 backedges. 0 proven. 22232 refuted. 0 times theorem prover too weak. 8875 trivial. 0 not checked. [2022-03-16 11:00:26,571 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:00:26,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130928421] [2022-03-16 11:00:26,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130928421] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:00:26,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710418749] [2022-03-16 11:00:26,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:00:26,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:00:26,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:00:26,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:00:26,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:00:26,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:00:26,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:00:26,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 259 conjunts are in the unsatisfiable core [2022-03-16 11:00:26,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:00:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 31107 backedges. 0 proven. 22232 refuted. 0 times theorem prover too weak. 8875 trivial. 0 not checked. [2022-03-16 11:00:29,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:00:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 31107 backedges. 0 proven. 22232 refuted. 0 times theorem prover too weak. 8875 trivial. 0 not checked. [2022-03-16 11:00:32,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710418749] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:00:32,550 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:00:32,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-03-16 11:00:32,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073230168] [2022-03-16 11:00:32,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:00:32,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 11:00:32,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:00:32,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 11:00:32,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 11:00:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:32,554 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:00:32,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:00:32,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:32,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:32,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:32,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:32,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:32,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:32,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:00:34,338 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 216342 transitions and produced 114889 states. [2022-03-16 11:00:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:00:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:34,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:00:34,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 11:00:34,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 11:00:34,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 11:00:34,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 11:00:34,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 11:00:34,572 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,SelfDestructingSolverStorable6 [2022-03-16 11:00:34,578 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2022-03-16 11:00:34,580 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:00:34,580 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:00:34,582 INFO L202 PluginConnector]: Adding new model misc-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:00:34 BasicIcfg [2022-03-16 11:00:34,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:00:34,583 INFO L158 Benchmark]: Toolchain (without parser) took 44191.41ms. Allocated memory was 205.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 162.9MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-16 11:00:34,583 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:00:34,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.09ms. Allocated memory is still 205.5MB. Free memory was 162.7MB in the beginning and 161.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:00:34,595 INFO L158 Benchmark]: Boogie Preprocessor took 18.72ms. Allocated memory is still 205.5MB. Free memory was 161.3MB in the beginning and 160.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:00:34,595 INFO L158 Benchmark]: RCFGBuilder took 172.16ms. Allocated memory is still 205.5MB. Free memory was 160.3MB in the beginning and 151.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 11:00:34,596 INFO L158 Benchmark]: TraceAbstraction took 43962.43ms. Allocated memory was 205.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 151.2MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-16 11:00:34,597 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 0.14ms. Allocated memory is still 205.5MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.09ms. Allocated memory is still 205.5MB. Free memory was 162.7MB in the beginning and 161.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.72ms. Allocated memory is still 205.5MB. Free memory was 161.3MB in the beginning and 160.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 172.16ms. Allocated memory is still 205.5MB. Free memory was 160.3MB in the beginning and 151.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 43962.43ms. Allocated memory was 205.5MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 151.2MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.7GB. 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 - PositiveResult [Line: 72]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 43.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 32.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 8212 NumberOfCodeBlocks, 8212 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 8918 ConstructedInterpolants, 0 QuantifiedInterpolants, 21756 SizeOfPredicates, 1 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 259 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 629804/696500 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-16 11:00:34,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-16 11:00:34,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...