/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 RABIN_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:38:28,315 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:38:28,394 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 17:38:28,423 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:38:28,424 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:38:28,424 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:38:28,425 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:38:28,426 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:38:28,426 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:38:28,430 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:38:28,430 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:38:28,430 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:38:28,431 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:38:28,432 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:38:28,432 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:38:28,433 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:38:28,433 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:38:28,433 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:38:28,433 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:38:28,433 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:38:28,434 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:38:28,435 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:38:28,435 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:38:28,435 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:38:28,436 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:38:28,436 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:38:28,436 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:38:28,436 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:38:28,436 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:38:28,437 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:38:28,438 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:38:28,438 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:38:28,438 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:38:28,439 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:38:28,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:38:28,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:38:28,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:38:28,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:38:28,711 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:38:28,712 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:38:28,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl [2023-10-12 17:38:28,713 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2.wvr.bpl' [2023-10-12 17:38:28,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:38:28,740 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:38:28,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:28,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:38:28,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:38:28,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,766 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:38:28,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:38:28,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:38:28,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:38:28,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:38:28,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:38:28,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:38:28,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:38:28,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:38:28,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/1) ... [2023-10-12 17:38:28,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:28,854 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 17:38:28,869 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 17:38:28,893 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:38:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:38:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:38:28,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:38:28,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:38:28,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:38:28,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:38:28,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:38:28,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:38:28,895 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 17:38:28,941 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:38:28,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:38:29,039 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:38:29,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:38:29,045 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:38:29,047 INFO L201 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:29 BoogieIcfgContainer [2023-10-12 17:38:29,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:38:29,048 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:38:29,048 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:38:29,051 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:38:29,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:29,052 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:38:28" (1/2) ... [2023-10-12 17:38:29,053 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@370195ae and model type misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:38:29, skipping insertion in model container [2023-10-12 17:38:29,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:38:29,053 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:38:29" (2/2) ... [2023-10-12 17:38:29,055 INFO L332 chiAutomizerObserver]: Analyzing ICFG misc-2.wvr.bpl [2023-10-12 17:38:29,110 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:38:29,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 31 transitions, 78 flow [2023-10-12 17:38:29,152 INFO L124 PetriNetUnfolderBase]: 4/27 cut-off events. [2023-10-12 17:38:29,152 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:29,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 4/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:38:29,156 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 31 transitions, 78 flow [2023-10-12 17:38:29,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 27 transitions, 66 flow [2023-10-12 17:38:29,163 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:38:29,175 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 27 transitions, 66 flow [2023-10-12 17:38:29,178 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 27 transitions, 66 flow [2023-10-12 17:38:29,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 66 flow [2023-10-12 17:38:29,185 INFO L124 PetriNetUnfolderBase]: 4/27 cut-off events. [2023-10-12 17:38:29,186 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:38:29,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 4/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 54 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-10-12 17:38:29,187 INFO L119 LiptonReduction]: Number of co-enabled transitions 198 [2023-10-12 17:38:29,976 INFO L134 LiptonReduction]: Checked pairs total: 149 [2023-10-12 17:38:29,976 INFO L136 LiptonReduction]: Total number of compositions: 20 [2023-10-12 17:38:29,987 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:38:29,987 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:38:29,988 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:38:29,988 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:38:29,988 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:38:29,988 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:38:29,988 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:38:29,988 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:38:29,989 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:38:29,991 ERROR L47 etriNetUnfolderRabin]: [1:1A:[65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[][4], 2:2A:[88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[112] L19-->L19: Formula: (let ((.cse0 (not v_d1_24))) (and (or (and v_d1_24 (= v_pos_99 (+ v_pos_100 1))) (and (= v_pos_100 (+ v_pos_99 1)) .cse0)) (or (and v_d1_23 .cse0) (and (not v_d1_23) v_d1_24)) (= v_i1_18 (+ v_i1_19 1)) (< v_i1_19 (* v_N_23 2)))) InVars {N=v_N_23, d1=v_d1_24, i1=v_i1_19, pos=v_pos_100} OutVars{N=v_N_23, d1=v_d1_23, i1=v_i1_18, pos=v_pos_99} AuxVars[] AssignedVars[d1, i1, pos][9]] [2023-10-12 17:38:29,993 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:29,993 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:38:29,993 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:29,994 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:29,996 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:38:29,996 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:38:29,997 ERROR L47 etriNetUnfolderRabin]: [1:1A:[65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[][4], 2:2A:[88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[112] L19-->L19: Formula: (let ((.cse0 (not v_d1_24))) (and (or (and v_d1_24 (= v_pos_99 (+ v_pos_100 1))) (and (= v_pos_100 (+ v_pos_99 1)) .cse0)) (or (and v_d1_23 .cse0) (and (not v_d1_23) v_d1_24)) (= v_i1_18 (+ v_i1_19 1)) (< v_i1_19 (* v_N_23 2)))) InVars {N=v_N_23, d1=v_d1_24, i1=v_i1_19, pos=v_pos_100} OutVars{N=v_N_23, d1=v_d1_23, i1=v_i1_18, pos=v_pos_99} AuxVars[] AssignedVars[d1, i1, pos][9]] [2023-10-12 17:38:29,997 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:29,998 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:38:29,998 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:29,998 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:30,002 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]true [65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[] 38#[L54]true [88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 40#[L54-1, L19]true [2023-10-12 17:38:30,002 INFO L750 eck$LassoCheckResult]: Loop: 40#[L54-1, L19]true [112] L19-->L19: Formula: (let ((.cse0 (not v_d1_24))) (and (or (and v_d1_24 (= v_pos_99 (+ v_pos_100 1))) (and (= v_pos_100 (+ v_pos_99 1)) .cse0)) (or (and v_d1_23 .cse0) (and (not v_d1_23) v_d1_24)) (= v_i1_18 (+ v_i1_19 1)) (< v_i1_19 (* v_N_23 2)))) InVars {N=v_N_23, d1=v_d1_24, i1=v_i1_19, pos=v_pos_100} OutVars{N=v_N_23, d1=v_d1_23, i1=v_i1_18, pos=v_pos_99} AuxVars[] AssignedVars[d1, i1, pos] 40#[L54-1, L19]true [2023-10-12 17:38:30,007 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 3064, now seen corresponding path program 1 times [2023-10-12 17:38:30,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:30,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129284142] [2023-10-12 17:38:30,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:30,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash 143, now seen corresponding path program 1 times [2023-10-12 17:38:30,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:30,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926299294] [2023-10-12 17:38:30,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:30,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:30,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:30,132 INFO L85 PathProgramCache]: Analyzing trace with hash 95096, now seen corresponding path program 1 times [2023-10-12 17:38:30,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:30,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676341199] [2023-10-12 17:38:30,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:30,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:30,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:30,289 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:30,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:30,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:30,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:30,290 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:38:30,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:30,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:30,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:38:30,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:30,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:30,311 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 17:38:30,348 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 17:38:30,439 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:30,440 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:38:30,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:30,449 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 17:38:30,456 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 17:38:30,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:30,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:30,489 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 17:38:30,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:30,492 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 17:38:30,494 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 17:38:30,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:38:30,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:30,541 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:38:30,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:38:30,545 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:30,545 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:30,545 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:30,545 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:30,545 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:30,545 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,546 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:30,546 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:30,546 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_BEv2_Iteration1_Loop [2023-10-12 17:38:30,546 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:30,546 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:30,547 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 17:38:30,597 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 17:38:30,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:30,677 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:30,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:30,680 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 17:38:30,692 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 17:38:30,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:30,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:30,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:30,702 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:38:30,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:30,705 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-10-12 17:38:30,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:30,709 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 17:38:30,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:38:30,732 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 17:38:30,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:30,734 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 17:38:30,736 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 17:38:30,737 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 17:38:30,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:30,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:30,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:30,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:30,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:30,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:38:30,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:30,761 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:30,766 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:38:30,766 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:38:30,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:30,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:30,928 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 17:38:30,929 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 17:38:31,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:31,010 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:38:31,010 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:31,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 2*N Supporting invariants [] [2023-10-12 17:38:31,015 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 17:38:31,018 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:31,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:31,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:31,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:31,055 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:38:31,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:31,056 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 17:38:31,082 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 17:38:31,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:38:31,201 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 17:38:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2023-10-12 17:38:31,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:38:31,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:38:31,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:38:31,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,207 INFO L430 stractBuchiCegarLoop]: Abstraction has has 20 places, 44 transitions, 224 flow [2023-10-12 17:38:31,207 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:38:31,207 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 20 places, 44 transitions, 224 flow [2023-10-12 17:38:31,208 ERROR L47 etriNetUnfolderRabin]: [1:1A:[65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[][19], 2:2A:[88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][3], 4:3A:[91] L54-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][12]][5:4A:[113] L36-->L36: Formula: (let ((.cse0 (< v_i2_In_1 (* 2 v_N_In_1))) (.cse1 (= (+ v_i2_In_1 1) v_i2_Out_2))) (or (and .cse0 (= v_pos_In_3 (+ v_pos_Out_6 2)) v_d2_Out_2 (not v_d2_In_1) .cse1) (and (= v_pos_Out_6 (+ v_pos_In_3 2)) (not v_d2_Out_2) .cse0 v_d2_In_1 .cse1))) InVars {i2=v_i2_In_1, pos=v_pos_In_3, d2=v_d2_In_1, N=v_N_In_1} OutVars{i2=v_i2_Out_2, pos=v_pos_Out_6, d2=v_d2_Out_2, N=v_N_In_1} AuxVars[] AssignedVars[d2, i2, pos][42]] [2023-10-12 17:38:31,209 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:38:31,209 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:38:31,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:38:31,209 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:38:31,209 INFO L748 eck$LassoCheckResult]: Stem: 36#[$Ultimate##0]true [65] $Ultimate##0-->L54: Formula: (and (= v_i2_5 v_pos_9) (= v_i1_5 v_pos_9) (= v_pos_9 0)) InVars {i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} OutVars{i1=v_i1_5, pos=v_pos_9, i2=v_i2_5} AuxVars[] AssignedVars[] 38#[L54]true [88] L54-->L19: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 40#[L54-1, L19]true [91] L54-1-->L36: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 75#[L36, L19, L55]true [2023-10-12 17:38:31,210 INFO L750 eck$LassoCheckResult]: Loop: 75#[L36, L19, L55]true [113] L36-->L36: Formula: (let ((.cse0 (< v_i2_In_1 (* 2 v_N_In_1))) (.cse1 (= (+ v_i2_In_1 1) v_i2_Out_2))) (or (and .cse0 (= v_pos_In_3 (+ v_pos_Out_6 2)) v_d2_Out_2 (not v_d2_In_1) .cse1) (and (= v_pos_Out_6 (+ v_pos_In_3 2)) (not v_d2_Out_2) .cse0 v_d2_In_1 .cse1))) InVars {i2=v_i2_In_1, pos=v_pos_In_3, d2=v_d2_In_1, N=v_N_In_1} OutVars{i2=v_i2_Out_2, pos=v_pos_Out_6, d2=v_d2_Out_2, N=v_N_In_1} AuxVars[] AssignedVars[d2, i2, pos] 75#[L36, L19, L55]true [2023-10-12 17:38:31,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:31,210 INFO L85 PathProgramCache]: Analyzing trace with hash 95075, now seen corresponding path program 1 times [2023-10-12 17:38:31,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:31,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214669256] [2023-10-12 17:38:31,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:31,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:31,219 INFO L85 PathProgramCache]: Analyzing trace with hash 144, now seen corresponding path program 1 times [2023-10-12 17:38:31,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:31,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4061357] [2023-10-12 17:38:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:31,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:31,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:31,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2947438, now seen corresponding path program 1 times [2023-10-12 17:38:31,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:38:31,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770411406] [2023-10-12 17:38:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:38:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:38:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:38:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:38:31,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:38:31,301 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:31,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:31,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:31,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:31,301 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-10-12 17:38:31,301 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:31,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:31,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:38:31,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:31,302 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:31,303 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 17:38:31,308 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 17:38:31,405 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:31,405 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-10-12 17:38:31,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:31,407 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 17:38:31,420 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 17:38:31,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-10-12 17:38:31,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:31,437 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 17:38:31,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:31,438 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 17:38:31,440 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 17:38:31,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-10-12 17:38:31,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-10-12 17:38:31,537 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-10-12 17:38:31,539 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 17:38:31,540 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:38:31,540 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:38:31,540 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:38:31,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:38:31,541 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:38:31,541 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,541 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:38:31,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:38:31,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: misc-2.wvr.bpl_BEv2_Iteration2_Loop [2023-10-12 17:38:31,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:38:31,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:38:31,543 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 17:38:31,551 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 17:38:31,663 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:38:31,664 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:38:31,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:31,670 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 17:38:31,672 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 17:38:31,674 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 17:38:31,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:38:31,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:38:31,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:38:31,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:38:31,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:38:31,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:38:31,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:38:31,697 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:38:31,699 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:38:31,700 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:38:31,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:38:31,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:38:31,723 INFO L229 MonitoredProcess]: Starting monitored process 10 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 17:38:31,744 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 17:38:31,749 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:38:31,749 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-10-12 17:38:31,749 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:38:31,749 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 2*N Supporting invariants [] [2023-10-12 17:38:31,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-10-12 17:38:31,760 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 17:38:31,761 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:38:31,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:38:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:31,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:38:31,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:38:31,827 WARN L260 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:38:31,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:38:31,829 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 17:38:31,829 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 17:38:31,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:38:31,923 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 17:38:31,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2023-10-12 17:38:31,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:38:31,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:38:31,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 204 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:38:31,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:38:31,928 INFO L430 stractBuchiCegarLoop]: Abstraction has has 24 places, 176 transitions, 1248 flow [2023-10-12 17:38:31,928 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:38:31,928 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 24 places, 176 transitions, 1248 flow [2023-10-12 17:38:31,935 INFO L124 PetriNetUnfolderBase]: 16/32 cut-off events. [2023-10-12 17:38:31,935 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-10-12 17:38:31,935 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:38:31,940 INFO L201 PluginConnector]: Adding new model misc-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:38:31 BoogieIcfgContainer [2023-10-12 17:38:31,941 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:38:31,941 INFO L158 Benchmark]: Toolchain (without parser) took 3201.05ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 141.5MB in the beginning and 234.1MB in the end (delta: -92.6MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:31,942 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 186.6MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:31,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.18ms. Allocated memory is still 186.6MB. Free memory was 141.3MB in the beginning and 139.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:31,942 INFO L158 Benchmark]: Boogie Preprocessor took 18.77ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:38:31,943 INFO L158 Benchmark]: RCFGBuilder took 258.14ms. Allocated memory is still 186.6MB. Free memory was 138.8MB in the beginning and 129.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:38:31,943 INFO L158 Benchmark]: BuchiAutomizer took 2892.75ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 129.4MB in the beginning and 234.1MB in the end (delta: -104.7MB). There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:38:31,945 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 0.25ms. Allocated memory is still 186.6MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.18ms. Allocated memory is still 186.6MB. Free memory was 141.3MB in the beginning and 139.9MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.77ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.14ms. Allocated memory is still 186.6MB. Free memory was 138.8MB in the beginning and 129.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2892.75ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 129.4MB in the beginning and 234.1MB in the end (delta: -104.7MB). There was no memory consumed. 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 2 * N + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + 2 * N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.6s. 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: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 92 mSDtfsCounter, 152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp112 ukn59 mio100 lsp100 div100 bol136 ite100 ukn100 eq135 hnf100 smp100 dnf152 smp51 tf105 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.8s - 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: 0.8s, 30 PlacesBefore, 16 PlacesAfterwards, 27 TransitionsBefore, 11 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 20 TotalNumberOfCompositions, 149 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, independent: 149, independent conditional: 0, independent unconditional: 149, 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: 123, independent: 123, independent conditional: 0, independent unconditional: 123, 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: 123, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 149, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 123, unknown conditional: 0, unknown unconditional: 123] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, 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 17:38:31,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:38:32,160 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...