/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:17:52,075 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:17:52,138 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:17:52,162 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:17:52,162 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:17:52,163 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:17:52,163 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:17:52,164 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:17:52,164 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:17:52,167 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:17:52,167 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:17:52,167 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:17:52,167 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:17:52,168 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:17:52,169 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:17:52,169 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:17:52,169 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:17:52,169 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:17:52,169 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:17:52,170 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:17:52,170 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:17:52,171 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:17:52,172 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:17:52,172 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:17:52,172 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:17:52,173 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:17:52,173 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:17:52,173 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:17:52,174 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:17:52,174 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:17:52,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:17:52,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:17:52,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:17:52,403 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:17:52,404 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:17:52,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl [2023-10-12 17:17:52,406 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl' [2023-10-12 17:17:52,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:17:52,425 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:17:52,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:17:52,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:17:52,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:17:52,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,446 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:17:52,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:17:52,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:17:52,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:17:52,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:17:52,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:17:52,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:17:52,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:17:52,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:17:52,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/1) ... [2023-10-12 17:17:52,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:52,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:52,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-10-12 17:17:52,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:17:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:17:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:17:52,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2023-10-12 17:17:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2023-10-12 17:17:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2023-10-12 17:17:52,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2023-10-12 17:17:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2023-10-12 17:17:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2023-10-12 17:17:52,552 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:17:52,593 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:17:52,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:17:52,679 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:17:52,691 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:17:52,691 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:17:52,693 INFO L201 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:17:52 BoogieIcfgContainer [2023-10-12 17:17:52,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:17:52,694 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:17:52,694 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:17:52,696 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:17:52,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:17:52,697 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:17:52" (1/2) ... [2023-10-12 17:17:52,698 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3dfa6858 and model type MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:17:52, skipping insertion in model container [2023-10-12 17:17:52,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:17:52,699 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:17:52" (2/2) ... [2023-10-12 17:17:52,703 INFO L332 chiAutomizerObserver]: Analyzing ICFG MirabelleConcurrentIncrement.bpl [2023-10-12 17:17:52,763 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:17:52,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 22 transitions, 66 flow [2023-10-12 17:17:52,819 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events. [2023-10-12 17:17:52,819 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:17:52,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 3/18 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 13. Up to 3 conditions per place. [2023-10-12 17:17:52,823 INFO L82 GeneralOperation]: Start removeDead. Operand has 23 places, 22 transitions, 66 flow [2023-10-12 17:17:52,826 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 18 transitions, 54 flow [2023-10-12 17:17:52,829 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:17:52,851 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 18 transitions, 54 flow [2023-10-12 17:17:52,855 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 18 transitions, 54 flow [2023-10-12 17:17:52,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 18 transitions, 54 flow [2023-10-12 17:17:52,861 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events. [2023-10-12 17:17:52,861 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:17:52,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 3/18 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 20 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 13. Up to 3 conditions per place. [2023-10-12 17:17:52,863 INFO L119 LiptonReduction]: Number of co-enabled transitions 56 [2023-10-12 17:17:52,957 INFO L134 LiptonReduction]: Checked pairs total: 48 [2023-10-12 17:17:52,957 INFO L136 LiptonReduction]: Total number of compositions: 5 [2023-10-12 17:17:52,968 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:17:52,969 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:17:52,969 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:17:52,969 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:17:52,969 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:17:52,969 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:17:52,969 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:17:52,969 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:17:52,970 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 13 transitions, 44 flow [2023-10-12 17:17:52,972 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:17:52,972 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:17:52,973 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:17:52,973 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:17:52,975 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:17:52,975 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 13 transitions, 44 flow [2023-10-12 17:17:52,978 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:17:52,978 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:17:52,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:17:52,978 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:17:52,982 INFO L748 eck$LassoCheckResult]: Stem: 27#[$Ultimate##0]true [31] $Ultimate##0-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 29#[L18]true [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 31#[L31, L18-1]true [2023-10-12 17:17:52,982 INFO L750 eck$LassoCheckResult]: Loop: 31#[L31, L18-1]true [59] L31-->L31: Formula: (and (< v_x_11 v_n_11) (= (+ v_x_11 1) v_x_10)) InVars {n=v_n_11, x=v_x_11} OutVars{n=v_n_11, x=v_x_10} AuxVars[] AssignedVars[x] 31#[L31, L18-1]true [2023-10-12 17:17:52,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1970, now seen corresponding path program 1 times [2023-10-12 17:17:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:52,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782013936] [2023-10-12 17:17:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 90, now seen corresponding path program 1 times [2023-10-12 17:17:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:53,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903169932] [2023-10-12 17:17:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:53,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,095 INFO L85 PathProgramCache]: Analyzing trace with hash 61129, now seen corresponding path program 1 times [2023-10-12 17:17:53,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:53,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025886191] [2023-10-12 17:17:53,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,178 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:17:53,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:17:53,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:17:53,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:17:53,179 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:17:53,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:17:53,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:17:53,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2023-10-12 17:17:53,180 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:17:53,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:17:53,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:17:53,220 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:17:53,221 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:17:53,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:53,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:53,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-10-12 17:17:53,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:17:53,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:17:53,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:17:53,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:53,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:53,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-10-12 17:17:53,282 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:17:53,282 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:17:53,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:17:53,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:17:53,389 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:17:53,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:17:53,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:17:53,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:17:53,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:17:53,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:17:53,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:17:53,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2023-10-12 17:17:53,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:17:53,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:17:53,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:17:53,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:17:53,426 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:17:53,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:53,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:53,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-10-12 17:17:53,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:17:53,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:17:53,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:17:53,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:17:53,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:17:53,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:17:53,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:17:53,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:17:53,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:17:53,499 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:17:53,499 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:17:53,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:53,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:53,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-10-12 17:17:53,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:17:53,551 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:17:53,551 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:17:53,552 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, n) = -1*x + 1*n Supporting invariants [] [2023-10-12 17:17:53,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:17:53,571 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:17:53,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:17:53,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:17:53,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:17:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:17:53,611 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:17:53,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:17:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:17:53,639 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:17:53,641 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 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) [2023-10-12 17:17:53,726 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 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) Result 4 states and 133 transitions. [2023-10-12 17:17:53,727 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:17:53,733 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:17:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:17:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 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) [2023-10-12 17:17:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2023-10-12 17:17:53,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 81 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:17:53,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:53,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 81 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:17:53,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:53,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 81 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:17:53,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:53,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 126 transitions, 684 flow [2023-10-12 17:17:53,773 INFO L124 PetriNetUnfolderBase]: 42/83 cut-off events. [2023-10-12 17:17:53,774 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-10-12 17:17:53,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 83 events. 42/83 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 220 event pairs, 1 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 134. Up to 28 conditions per place. [2023-10-12 17:17:53,774 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 24 places, 126 transitions, 684 flow [2023-10-12 17:17:53,777 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 24 places, 126 transitions, 684 flow [2023-10-12 17:17:53,777 INFO L430 stractBuchiCegarLoop]: Abstraction has has 24 places, 126 transitions, 684 flow [2023-10-12 17:17:53,777 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:17:53,777 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 places, 126 transitions, 684 flow [2023-10-12 17:17:53,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:17:53,783 INFO L124 PetriNetUnfolderBase]: 17/29 cut-off events. [2023-10-12 17:17:53,783 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:17:53,783 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:17:53,783 INFO L748 eck$LassoCheckResult]: Stem: 27#[$Ultimate##0]true [31] $Ultimate##0-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 29#[L18]true [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 31#[L31, L18-1]true [51] L18-1-->L39: Formula: (= v_T2Thread1of1ForFork1_thidvar0_2 2) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0] 74#[L31, L39, L19]true [2023-10-12 17:17:53,784 INFO L750 eck$LassoCheckResult]: Loop: 74#[L31, L39, L19]true [57] L39-->L39: Formula: (and (= v_y_10 (+ v_y_11 1)) (< v_y_11 v_n_7)) InVars {n=v_n_7, y=v_y_11} OutVars{n=v_n_7, y=v_y_10} AuxVars[] AssignedVars[y] 74#[L31, L39, L19]true [57] L39-->L39: Formula: (and (= v_y_10 (+ v_y_11 1)) (< v_y_11 v_n_7)) InVars {n=v_n_7, y=v_y_11} OutVars{n=v_n_7, y=v_y_10} AuxVars[] AssignedVars[y] 74#[L31, L39, L19]true [2023-10-12 17:17:53,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,784 INFO L85 PathProgramCache]: Analyzing trace with hash 61121, now seen corresponding path program 1 times [2023-10-12 17:17:53,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:53,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528100807] [2023-10-12 17:17:53,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2785, now seen corresponding path program 1 times [2023-10-12 17:17:53,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963122064] [2023-10-12 17:17:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:53,797 INFO L85 PathProgramCache]: Analyzing trace with hash 58739105, now seen corresponding path program 1 times [2023-10-12 17:17:53,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:17:53,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315308246] [2023-10-12 17:17:53,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:17:53,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:17:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:17:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:17:53,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:17:53,852 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:17:53,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:17:53,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:17:53,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:17:53,853 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:17:53,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:17:53,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:17:53,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2023-10-12 17:17:53,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:17:53,853 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:17:53,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:17:53,891 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:17:53,892 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:17:53,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:53,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:53,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-10-12 17:17:53,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:17:53,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:17:53,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-10-12 17:17:53,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:53,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:54,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:54,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-10-12 17:17:54,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:17:54,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:17:54,210 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:17:54,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:17:54,218 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:17:54,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:17:54,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:17:54,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:17:54,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:17:54,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:54,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:17:54,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:17:54,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2023-10-12 17:17:54,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:17:54,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:17:54,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:17:54,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:17:54,242 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:17:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:54,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:54,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:54,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-10-12 17:17:54,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:17:54,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:17:54,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:17:54,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:17:54,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:17:54,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:17:54,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:17:54,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:17:54,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:17:54,304 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:17:54,304 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:17:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:17:54,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:17:54,310 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:17:54,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-10-12 17:17:54,312 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:17:54,313 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:17:54,313 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:17:54,313 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(y, n) = -1*y + 1*n Supporting invariants [] [2023-10-12 17:17:54,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-10-12 17:17:54,319 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:17:54,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:17:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:17:54,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:17:54,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:17:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:17:54,349 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:17:54,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:17:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:17:54,366 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:17:54,366 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-10-12 17:17:54,468 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Result 6 states and 185 transitions. [2023-10-12 17:17:54,469 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:17:54,476 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:17:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:17:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-10-12 17:17:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2023-10-12 17:17:54,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 108 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:17:54,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:54,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 108 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:17:54,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:54,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 108 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:17:54,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:17:54,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 1704 transitions, 12744 flow [2023-10-12 17:17:54,511 INFO L124 PetriNetUnfolderBase]: 92/182 cut-off events. [2023-10-12 17:17:54,511 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-10-12 17:17:54,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 620 conditions, 182 events. 92/182 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 700 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 357. Up to 63 conditions per place. [2023-10-12 17:17:54,512 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 36 places, 1704 transitions, 12744 flow [2023-10-12 17:17:54,528 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 36 places, 1704 transitions, 12744 flow [2023-10-12 17:17:54,528 INFO L430 stractBuchiCegarLoop]: Abstraction has has 36 places, 1704 transitions, 12744 flow [2023-10-12 17:17:54,528 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:17:54,528 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36 places, 1704 transitions, 12744 flow [2023-10-12 17:17:54,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-10-12 17:17:54,561 INFO L124 PetriNetUnfolderBase]: 92/182 cut-off events. [2023-10-12 17:17:54,561 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2023-10-12 17:17:54,561 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:17:54,573 INFO L201 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:17:54 BoogieIcfgContainer [2023-10-12 17:17:54,573 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:17:54,574 INFO L158 Benchmark]: Toolchain (without parser) took 2148.11ms. Allocated memory was 185.6MB in the beginning and 223.3MB in the end (delta: 37.7MB). Free memory was 136.6MB in the beginning and 186.7MB in the end (delta: -50.0MB). Peak memory consumption was 53.9MB. Max. memory is 8.0GB. [2023-10-12 17:17:54,574 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 185.6MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:17:54,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.63ms. Allocated memory is still 185.6MB. Free memory was 136.6MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:17:54,574 INFO L158 Benchmark]: Boogie Preprocessor took 15.13ms. Allocated memory is still 185.6MB. Free memory was 135.1MB in the beginning and 134.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:17:54,575 INFO L158 Benchmark]: RCFGBuilder took 229.05ms. Allocated memory is still 185.6MB. Free memory was 134.0MB in the beginning and 153.1MB in the end (delta: -19.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2023-10-12 17:17:54,575 INFO L158 Benchmark]: BuchiAutomizer took 1879.56ms. Allocated memory was 185.6MB in the beginning and 223.3MB in the end (delta: 37.7MB). Free memory was 153.1MB in the beginning and 186.7MB in the end (delta: -33.6MB). Peak memory consumption was 70.0MB. Max. memory is 8.0GB. [2023-10-12 17:17:54,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-10-12 17:17:54,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.27ms. Allocated memory is still 185.6MB. Free memory is still 137.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.63ms. Allocated memory is still 185.6MB. Free memory was 136.6MB in the beginning and 135.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.13ms. Allocated memory is still 185.6MB. Free memory was 135.1MB in the beginning and 134.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 229.05ms. Allocated memory is still 185.6MB. Free memory was 134.0MB in the beginning and 153.1MB in the end (delta: -19.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * BuchiAutomizer took 1879.56ms. Allocated memory was 185.6MB in the beginning and 223.3MB in the end (delta: 37.7MB). Free memory was 153.1MB in the beginning and 186.7MB in the end (delta: -33.6MB). Peak memory consumption was 70.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + n and consists of 3 locations. One deterministic module has affine ranking function n + -1 * y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 56 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf112 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 124ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 21 PlacesBefore, 16 PlacesAfterwards, 18 TransitionsBefore, 13 TransitionsAfterwards, 56 CoEnabledTransitionPairs, 1 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 31, unknown conditional: 0, unknown unconditional: 31] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:17:54,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...