/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_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:11:53,160 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:11:53,229 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 17:11:53,253 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:11:53,254 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:11:53,254 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:11:53,255 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:11:53,255 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:11:53,255 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:11:53,258 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:11:53,259 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:11:53,259 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:11:53,259 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:11:53,260 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:11:53,260 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:11:53,260 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:11:53,261 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:11:53,261 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:11:53,261 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:11:53,261 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:11:53,261 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:11:53,262 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:11:53,263 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:11:53,264 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:11:53,264 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:11:53,265 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:11:53,265 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:11:53,265 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:11:53,266 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:11:53,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:11:53,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:11:53,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:11:53,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:11:53,485 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:11:53,486 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:11:53,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl [2023-10-12 17:11:53,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/MirabelleConcurrentIncrement.bpl' [2023-10-12 17:11:53,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:11:53,504 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:11:53,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:11:53,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:11:53,526 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 05:11:53" (1/1) ... [2023-10-12 17:11:53,531 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 05:11:53" (1/1) ... [2023-10-12 17:11:53,535 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:11:53,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:11:53,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:11:53,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:11:53,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:11:53,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:11:53,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:11:53,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:11:53,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/1) ... [2023-10-12 17:11:53,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:53,578 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 17:11:53,582 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 17:11:53,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:11:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:11:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:11:53,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2023-10-12 17:11:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2023-10-12 17:11:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2023-10-12 17:11:53,604 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2023-10-12 17:11:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2023-10-12 17:11:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2023-10-12 17:11:53,604 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 17:11:53,641 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:11:53,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:11:53,715 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:11:53,726 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:11:53,726 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:11:53,727 INFO L201 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:53 BoogieIcfgContainer [2023-10-12 17:11:53,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:11:53,728 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:11:53,728 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:11:53,732 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:11:53,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:53,733 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:11:53" (1/2) ... [2023-10-12 17:11:53,733 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@277c5b34 and model type MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:11:53, skipping insertion in model container [2023-10-12 17:11:53,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:11:53,734 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:11:53" (2/2) ... [2023-10-12 17:11:53,735 INFO L332 chiAutomizerObserver]: Analyzing ICFG MirabelleConcurrentIncrement.bpl [2023-10-12 17:11:53,771 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:11:53,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 22 transitions, 66 flow [2023-10-12 17:11:53,815 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events. [2023-10-12 17:11:53,815 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:11:53,818 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 17:11:53,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 23 places, 22 transitions, 66 flow [2023-10-12 17:11:53,823 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 18 transitions, 54 flow [2023-10-12 17:11:53,825 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:11:53,834 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 18 transitions, 54 flow [2023-10-12 17:11:53,836 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 18 transitions, 54 flow [2023-10-12 17:11:53,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 18 transitions, 54 flow [2023-10-12 17:11:53,840 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events. [2023-10-12 17:11:53,841 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:11:53,841 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 17:11:53,841 INFO L119 LiptonReduction]: Number of co-enabled transitions 56 [2023-10-12 17:11:53,917 INFO L134 LiptonReduction]: Checked pairs total: 48 [2023-10-12 17:11:53,917 INFO L136 LiptonReduction]: Total number of compositions: 5 [2023-10-12 17:11:53,931 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:11:53,931 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:11:53,931 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:11:53,931 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:11:53,931 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:11:53,931 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:11:53,932 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:11:53,932 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:11:53,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:11:53,951 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2023-10-12 17:11:53,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:53,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:53,956 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:11:53,956 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:11:53,956 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:11:53,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 14 states, but on-demand construction may add more states [2023-10-12 17:11:53,960 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2023-10-12 17:11:53,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:53,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:53,961 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-10-12 17:11:53,961 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:11:53,965 INFO L748 eck$LassoCheckResult]: Stem: 26#[$Ultimate##0]don't care [31] $Ultimate##0-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 29#[L18]don't care [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 31#[L31, L18-1]don't care [2023-10-12 17:11:53,965 INFO L750 eck$LassoCheckResult]: Loop: 31#[L31, L18-1]don't care [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]don't care [2023-10-12 17:11:53,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:53,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1970, now seen corresponding path program 1 times [2023-10-12 17:11:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:53,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971599746] [2023-10-12 17:11:53,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:53,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,080 INFO L85 PathProgramCache]: Analyzing trace with hash 90, now seen corresponding path program 1 times [2023-10-12 17:11:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220817719] [2023-10-12 17:11:54,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash 61129, now seen corresponding path program 1 times [2023-10-12 17:11:54,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646999046] [2023-10-12 17:11:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,142 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:54,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:54,143 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:54,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:54,143 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:11:54,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:54,143 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:54,143 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2023-10-12 17:11:54,143 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:54,143 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:54,153 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 17:11:54,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:54,195 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:11:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,215 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 17:11:54,215 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 17:11:54,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:11:54,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,246 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 17:11:54,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,248 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 17:11:54,250 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 17:11:54,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:11:54,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,345 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:11:54,348 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 17:11:54,348 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:54,349 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:54,349 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:54,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:54,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:11:54,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:54,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:54,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration1_Loop [2023-10-12 17:11:54,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:54,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:54,350 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 17:11:54,372 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:54,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:11:54,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,386 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 17:11:54,387 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 17:11:54,388 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 17:11:54,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:54,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:54,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:54,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:54,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:54,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:54,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:54,412 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:11:54,418 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:11:54,418 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:11:54,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,483 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 17:11:54,484 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 17:11:54,697 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:11:54,697 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:11:54,698 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:11:54,698 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(x, n) = -1*x + 1*n Supporting invariants [] [2023-10-12 17:11:54,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:11:54,707 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:11:54,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:54,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:11:54,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:54,743 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:11:54,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:54,745 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 17:11:54,782 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 17:11:54,784 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 14 states, but on-demand construction may add more states Second 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 17:11:54,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 14 states, but on-demand construction may add more states. Second 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 37 states and 78 transitions. Complement of second has 4 states. [2023-10-12 17:11:54,839 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 17:11:54,844 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 17:11:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2023-10-12 17:11:54,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:11:54,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:54,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:11:54,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:54,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:11:54,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:54,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 78 transitions. [2023-10-12 17:11:54,849 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2023-10-12 17:11:54,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 12 states and 26 transitions. [2023-10-12 17:11:54,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-10-12 17:11:54,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-10-12 17:11:54,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 26 transitions. [2023-10-12 17:11:54,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:11:54,853 INFO L219 hiAutomatonCegarLoop]: Abstraction has 12 states and 26 transitions. [2023-10-12 17:11:54,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 26 transitions. [2023-10-12 17:11:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2023-10-12 17:11:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 9 states have internal predecessors, (22), 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 17:11:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 22 transitions. [2023-10-12 17:11:54,870 INFO L241 hiAutomatonCegarLoop]: Abstraction has 10 states and 22 transitions. [2023-10-12 17:11:54,870 INFO L430 stractBuchiCegarLoop]: Abstraction has 10 states and 22 transitions. [2023-10-12 17:11:54,870 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:11:54,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 22 transitions. [2023-10-12 17:11:54,870 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2023-10-12 17:11:54,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:11:54,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:11:54,871 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:11:54,871 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:11:54,871 INFO L748 eck$LassoCheckResult]: Stem: 137#[$Ultimate##0]don't care [31] $Ultimate##0-->L18: Formula: (= v_y_1 v_x_1) InVars {y=v_y_1, x=v_x_1} OutVars{y=v_y_1, x=v_x_1} AuxVars[] AssignedVars[] 129#[L18]don't care [48] L18-->L31: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_thidvar0] 131#[L31, L18-1]don't care [51] L18-1-->L39: Formula: (= v_T2Thread1of1ForFork1_thidvar0_2 2) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0] 121#[L19, L39, L31]don't care [2023-10-12 17:11:54,871 INFO L750 eck$LassoCheckResult]: Loop: 121#[L19, L39, L31]don't care [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] 121#[L19, L39, L31]don't care [2023-10-12 17:11:54,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,872 INFO L85 PathProgramCache]: Analyzing trace with hash 61121, now seen corresponding path program 1 times [2023-10-12 17:11:54,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877158705] [2023-10-12 17:11:54,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash 88, now seen corresponding path program 1 times [2023-10-12 17:11:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26846514] [2023-10-12 17:11:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1894808, now seen corresponding path program 1 times [2023-10-12 17:11:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:11:54,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038912187] [2023-10-12 17:11:54,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:11:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:11:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:11:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:11:54,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:11:54,901 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:54,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:54,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:54,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:54,901 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:11:54,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:54,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:54,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2023-10-12 17:11:54,901 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:54,901 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:54,902 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 17:11:54,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:54,918 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:11:54,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,919 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 17:11:54,920 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 17:11:54,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:11:54,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:54,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-10-12 17:11:54,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:54,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:54,978 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 17:11:54,980 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 17:11:54,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:11:54,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:11:55,098 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:11:55,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:11:55,104 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:11:55,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:11:55,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:11:55,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:11:55,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:11:55,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:11:55,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:11:55,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirabelleConcurrentIncrement.bpl_BEv2_Iteration2_Loop [2023-10-12 17:11:55,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:11:55,105 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:11:55,105 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 17:11:55,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:11:55,134 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:11:55,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,139 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 17:11:55,141 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 17:11:55,143 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 17:11:55,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:11:55,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:11:55,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:11:55,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:11:55,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:11:55,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:11:55,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:11:55,166 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:11:55,169 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:11:55,169 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:11:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:11:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:11:55,182 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 17:11:55,184 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 17:11:55,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:11:55,185 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:11:55,185 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:11:55,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(y, n) = -1*y + 1*n Supporting invariants [] [2023-10-12 17:11:55,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-10-12 17:11:55,188 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:11:55,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:11:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:11:55,220 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:11:55,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:11:55,220 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 17:11:55,221 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 17:11:55,221 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 22 transitions. cyclomatic complexity: 17 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:11:55,236 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 22 transitions. cyclomatic complexity: 17. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 20 states and 40 transitions. Complement of second has 4 states. [2023-10-12 17:11:55,237 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 17:11:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 17:11:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-10-12 17:11:55,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:11:55,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:11:55,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:11:55,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:11:55,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 40 transitions. [2023-10-12 17:11:55,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:11:55,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2023-10-12 17:11:55,239 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:11:55,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:11:55,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:11:55,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:11:55,240 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,240 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,240 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:11:55,240 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:11:55,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:11:55,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:11:55,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:11:55,245 INFO L201 PluginConnector]: Adding new model MirabelleConcurrentIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:11:55 BoogieIcfgContainer [2023-10-12 17:11:55,245 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:11:55,246 INFO L158 Benchmark]: Toolchain (without parser) took 1741.78ms. Allocated memory was 187.7MB in the beginning and 330.3MB in the end (delta: 142.6MB). Free memory was 138.1MB in the beginning and 255.8MB in the end (delta: -117.6MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,246 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 187.7MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:11:55,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.10ms. Allocated memory is still 187.7MB. Free memory was 138.0MB in the beginning and 136.6MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,246 INFO L158 Benchmark]: Boogie Preprocessor took 14.76ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.6MB in the end (delta: 899.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,247 INFO L158 Benchmark]: RCFGBuilder took 173.55ms. Allocated memory is still 187.7MB. Free memory was 135.4MB in the beginning and 126.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,247 INFO L158 Benchmark]: BuchiAutomizer took 1517.15ms. Allocated memory was 187.7MB in the beginning and 330.3MB in the end (delta: 142.6MB). Free memory was 126.6MB in the beginning and 255.8MB in the end (delta: -129.2MB). Peak memory consumption was 13.1MB. Max. memory is 8.0GB. [2023-10-12 17:11:55,251 INFO L338 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 0.21ms. Allocated memory is still 187.7MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.10ms. Allocated memory is still 187.7MB. Free memory was 138.0MB in the beginning and 136.6MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.76ms. Allocated memory is still 187.7MB. Free memory was 136.5MB in the beginning and 135.6MB in the end (delta: 899.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 173.55ms. Allocated memory is still 187.7MB. Free memory was 135.4MB in the beginning and 126.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1517.15ms. Allocated memory was 187.7MB in the beginning and 330.3MB in the end (delta: 142.6MB). Free memory was 126.6MB in the beginning and 255.8MB in the end (delta: -129.2MB). Peak memory consumption was 13.1MB. 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 322ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 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 17:11:55,264 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 [2023-10-12 17:11:55,462 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 17:11:55,665 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...