/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 08:19:15,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 08:19:15,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 08:19:15,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 08:19:15,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 08:19:15,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 08:19:15,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 08:19:15,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 08:19:15,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 08:19:15,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 08:19:15,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 08:19:15,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 08:19:15,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 08:19:15,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 08:19:15,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 08:19:15,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 08:19:15,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 08:19:15,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 08:19:15,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 08:19:15,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 08:19:15,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 08:19:15,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 08:19:15,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 08:19:15,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 08:19:15,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 08:19:15,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 08:19:15,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 08:19:15,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 08:19:15,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 08:19:15,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 08:19:15,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 08:19:15,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 08:19:15,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 08:19:15,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 08:19:15,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 08:19:15,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 08:19:15,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 08:19:15,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 08:19:15,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 08:19:15,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 08:19:15,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 08:19:15,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-09 08:19:15,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 08:19:15,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 08:19:15,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 08:19:15,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 08:19:15,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 08:19:15,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 08:19:15,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 08:19:15,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 08:19:15,837 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 08:19:15,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 08:19:15,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 08:19:15,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:19:15,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 08:19:15,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 08:19:15,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 08:19:15,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 08:19:15,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 08:19:15,840 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 08:19:15,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 08:19:16,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 08:19:16,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 08:19:16,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 08:19:16,043 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 08:19:16,044 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 08:19:16,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl [2022-02-09 08:19:16,045 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl' [2022-02-09 08:19:16,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 08:19:16,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 08:19:16,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 08:19:16,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 08:19:16,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 08:19:16,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,092 INFO L137 Inliner]: procedures = 2, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 08:19:16,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 08:19:16,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 08:19:16,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 08:19:16,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 08:19:16,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 08:19:16,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 08:19:16,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 08:19:16,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 08:19:16,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/1) ... [2022-02-09 08:19:16,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:19:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:19:16,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 08:19:16,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 08:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-02-09 08:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-02-09 08:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 08:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 08:19:16,161 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 08:19:16,190 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 08:19:16,191 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 08:19:16,249 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 08:19:16,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 08:19:16,254 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 08:19:16,255 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:19:16 BoogieIcfgContainer [2022-02-09 08:19:16,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 08:19:16,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 08:19:16,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 08:19:16,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 08:19:16,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:16" (1/2) ... [2022-02-09 08:19:16,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f86ff36 and model type LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:19:16, skipping insertion in model container [2022-02-09 08:19:16,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:19:16" (2/2) ... [2022-02-09 08:19:16,261 INFO L111 eAbstractionObserver]: Analyzing ICFG LBE_bigexample_safe_BA.bpl [2022-02-09 08:19:16,264 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 08:19:16,264 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 08:19:16,265 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-02-09 08:19:16,265 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 08:19:16,299 INFO L148 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2022-02-09 08:19:16,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 08:19:16,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:19:16,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 08:19:16,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 08:19:16,372 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 08:19:16,377 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 08:19:16,377 INFO L340 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-02-09 08:19:16,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT (and 47 more)] === [2022-02-09 08:19:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:19:16,409 INFO L85 PathProgramCache]: Analyzing trace with hash 73691, now seen corresponding path program 1 times [2022-02-09 08:19:16,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:19:16,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319666774] [2022-02-09 08:19:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:19:16,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:19:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 08:19:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 08:19:16,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 08:19:16,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319666774] [2022-02-09 08:19:16,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319666774] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 08:19:16,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 08:19:16,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-02-09 08:19:16,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131702509] [2022-02-09 08:19:16,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 08:19:16,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 08:19:16,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 08:19:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 08:19:16,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 08:19:16,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:19:16,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 08:19:16,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 08:19:16,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 08:19:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 08:19:20,294 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (50 of 51 remaining) [2022-02-09 08:19:20,294 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (49 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (48 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (47 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (46 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (45 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (44 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (43 of 51 remaining) [2022-02-09 08:19:20,295 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (42 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (41 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (40 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (39 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (38 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (37 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (36 of 51 remaining) [2022-02-09 08:19:20,296 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (35 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (34 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (33 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (32 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (31 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (30 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (29 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (28 of 51 remaining) [2022-02-09 08:19:20,297 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (27 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (26 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (25 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (24 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (23 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (22 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (21 of 51 remaining) [2022-02-09 08:19:20,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (20 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (19 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (18 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (17 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (16 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (15 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (14 of 51 remaining) [2022-02-09 08:19:20,299 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (13 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (12 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (11 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (10 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (9 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (8 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (7 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (6 of 51 remaining) [2022-02-09 08:19:20,300 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (5 of 51 remaining) [2022-02-09 08:19:20,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (4 of 51 remaining) [2022-02-09 08:19:20,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (3 of 51 remaining) [2022-02-09 08:19:20,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (2 of 51 remaining) [2022-02-09 08:19:20,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (1 of 51 remaining) [2022-02-09 08:19:20,301 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (0 of 51 remaining) [2022-02-09 08:19:20,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 08:19:20,307 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 08:19:20,310 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 08:19:20,311 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 08:19:20,313 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 08:19:20 BasicIcfg [2022-02-09 08:19:20,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 08:19:20,314 INFO L158 Benchmark]: Toolchain (without parser) took 4250.64ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 888.1MB). Free memory was 151.3MB in the beginning and 721.7MB in the end (delta: -570.5MB). Peak memory consumption was 402.3MB. Max. memory is 8.0GB. [2022-02-09 08:19:20,314 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:19:20,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.68ms. Allocated memory is still 189.8MB. Free memory was 151.2MB in the beginning and 149.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 08:19:20,315 INFO L158 Benchmark]: Boogie Preprocessor took 12.24ms. Allocated memory is still 189.8MB. Free memory was 149.6MB in the beginning and 148.8MB in the end (delta: 801.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 08:19:20,315 INFO L158 Benchmark]: RCFGBuilder took 147.59ms. Allocated memory is still 189.8MB. Free memory was 148.7MB in the beginning and 140.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 08:19:20,315 INFO L158 Benchmark]: TraceAbstraction took 4056.62ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 888.1MB). Free memory was 139.8MB in the beginning and 721.7MB in the end (delta: -581.9MB). Peak memory consumption was 390.8MB. Max. memory is 8.0GB. [2022-02-09 08:19:20,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.68ms. Allocated memory is still 189.8MB. Free memory was 151.2MB in the beginning and 149.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.24ms. Allocated memory is still 189.8MB. Free memory was 149.6MB in the beginning and 148.8MB in the end (delta: 801.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 147.59ms. Allocated memory is still 189.8MB. Free memory was 148.7MB in the beginning and 140.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 4056.62ms. Allocated memory was 189.8MB in the beginning and 1.1GB in the end (delta: 888.1MB). Free memory was 139.8MB in the beginning and 721.7MB in the end (delta: -581.9MB). Peak memory consumption was 390.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 611837, positive: 571202, positive conditional: 571202, positive unconditional: 0, negative: 40635, negative conditional: 40635, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 571202, positive: 571202, positive conditional: 571202, 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: 571202, positive: 571202, positive conditional: 571202, 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: 571202, positive: 571202, positive conditional: 571200, positive unconditional: 2, 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: 571202, positive: 571202, positive conditional: 567176, positive unconditional: 4026, 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: 571202, positive: 571202, positive conditional: 567176, positive unconditional: 4026, 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: 3276, positive: 3276, positive conditional: 3218, positive unconditional: 58, 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: 3276, positive: 3276, positive conditional: 0, positive unconditional: 3276, 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: 571202, positive: 567926, positive conditional: 563958, positive unconditional: 3968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3276, unknown conditional: 3218, unknown unconditional: 58] , Statistics on independence cache: Total cache size (in pairs): 3276, Positive cache size: 3276, Positive conditional cache size: 3218, Positive unconditional cache size: 58, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 4024, Maximal queried relation: 0, Independence queries for same thread: 40635 - 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: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: 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 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-09 08:19:20,341 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 [2022-02-09 08:19:20,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...