/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/popl20-more/max-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:40:19,942 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:40:20,016 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 17:40:20,058 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:40:20,059 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:40:20,060 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:40:20,061 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:40:20,062 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:40:20,062 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:40:20,066 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:40:20,066 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:40:20,066 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:40:20,067 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:40:20,068 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:40:20,069 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:40:20,069 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:40:20,069 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:40:20,069 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:40:20,070 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:40:20,070 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:40:20,070 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:40:20,071 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:40:20,072 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:40:20,072 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:40:20,072 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:40:20,072 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:40:20,073 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:40:20,073 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:40:20,073 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:40:20,073 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:40:20,074 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:40:20,075 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:40:20,075 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:40:20,076 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:40:20,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:40:20,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:40:20,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:40:20,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:40:20,327 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:40:20,328 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:40:20,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl [2023-10-12 17:40:20,330 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun.wvr.bpl' [2023-10-12 17:40:20,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:40:20,355 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:40:20,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:20,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:40:20,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:40:20,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,378 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:40:20,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:40:20,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:40:20,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:40:20,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:40:20,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:40:20,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:40:20,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:40:20,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:40:20,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/1) ... [2023-10-12 17:40:20,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:20,450 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 17:40:20,467 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 17:40:20,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:40:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:40:20,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:40:20,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:40:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:40:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:40:20,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:40:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:40:20,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:40:20,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:40:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:40:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:40:20,485 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 17:40:20,528 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:40:20,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:40:20,624 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:40:20,640 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:40:20,640 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:40:20,642 INFO L201 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:20 BoogieIcfgContainer [2023-10-12 17:40:20,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:40:20,643 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:40:20,644 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:40:20,647 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:40:20,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:20,648 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:40:20" (1/2) ... [2023-10-12 17:40:20,650 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@542158e8 and model type max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:40:20, skipping insertion in model container [2023-10-12 17:40:20,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:40:20,650 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:40:20" (2/2) ... [2023-10-12 17:40:20,651 INFO L332 chiAutomizerObserver]: Analyzing ICFG max-fun.wvr.bpl [2023-10-12 17:40:20,707 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:40:20,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:40:20,748 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:40:20,748 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:20,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:40:20,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 32 transitions, 88 flow [2023-10-12 17:40:20,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:20,760 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:40:20,772 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:20,774 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:20,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 70 flow [2023-10-12 17:40:20,782 INFO L124 PetriNetUnfolderBase]: 3/26 cut-off events. [2023-10-12 17:40:20,782 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:40:20,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 3/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place. [2023-10-12 17:40:20,783 INFO L119 LiptonReduction]: Number of co-enabled transitions 144 [2023-10-12 17:40:21,150 INFO L134 LiptonReduction]: Checked pairs total: 124 [2023-10-12 17:40:21,150 INFO L136 LiptonReduction]: Total number of compositions: 12 [2023-10-12 17:40:21,163 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:40:21,163 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:40:21,163 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:40:21,163 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:40:21,163 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:40:21,164 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:40:21,164 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:40:21,164 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:40:21,165 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:21,168 ERROR L47 etriNetUnfolderRabin]: [1:1A:[102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[][14], 2:2A:[81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= v_max1_11 (let ((.cse0 (select v_A_12 v_i_16))) (ite (< v_max1_12 .cse0) .cse0 v_max1_12)))) InVars {A=v_A_12, N=v_N_10, i=v_i_16, max1=v_max1_12} OutVars{A=v_A_12, N=v_N_10, i=v_i_15, max1=v_max1_11} AuxVars[] AssignedVars[i, max1][10]] [2023-10-12 17:40:21,170 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:21,170 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:21,170 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:21,170 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:21,173 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:40:21,173 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 22 places, 15 transitions, 48 flow [2023-10-12 17:40:21,174 ERROR L47 etriNetUnfolderRabin]: [1:1A:[102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[][14], 2:2A:[81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0]][3:3A:[96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= v_max1_11 (let ((.cse0 (select v_A_12 v_i_16))) (ite (< v_max1_12 .cse0) .cse0 v_max1_12)))) InVars {A=v_A_12, N=v_N_10, i=v_i_16, max1=v_max1_12} OutVars{A=v_A_12, N=v_N_10, i=v_i_15, max1=v_max1_11} AuxVars[] AssignedVars[i, max1][10]] [2023-10-12 17:40:21,175 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:21,175 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:40:21,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:21,175 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:21,180 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [2023-10-12 17:40:21,180 INFO L750 eck$LassoCheckResult]: Loop: 44#[L23-1, L59-1]true [96] L23-1-->L23-1: Formula: (and (= v_i_15 (+ v_i_16 1)) (< v_i_16 v_N_10) (= v_max1_11 (let ((.cse0 (select v_A_12 v_i_16))) (ite (< v_max1_12 .cse0) .cse0 v_max1_12)))) InVars {A=v_A_12, N=v_N_10, i=v_i_16, max1=v_max1_12} OutVars{A=v_A_12, N=v_N_10, i=v_i_15, max1=v_max1_11} AuxVars[] AssignedVars[i, max1] 44#[L23-1, L59-1]true [2023-10-12 17:40:21,185 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:21,185 INFO L85 PathProgramCache]: Analyzing trace with hash 4204, now seen corresponding path program 1 times [2023-10-12 17:40:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:21,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644777410] [2023-10-12 17:40:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:21,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:21,295 INFO L85 PathProgramCache]: Analyzing trace with hash 127, now seen corresponding path program 1 times [2023-10-12 17:40:21,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:21,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682606981] [2023-10-12 17:40:21,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:21,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:21,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:21,335 INFO L85 PathProgramCache]: Analyzing trace with hash 130420, now seen corresponding path program 1 times [2023-10-12 17:40:21,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:21,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015307195] [2023-10-12 17:40:21,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:21,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:21,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:21,478 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:21,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:21,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:21,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:21,479 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:21,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:21,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:21,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:40:21,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:21,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:21,495 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 17:40:21,504 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 17:40:21,507 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 17:40:21,560 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 17:40:21,564 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 17:40:21,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:21,698 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:21,707 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 17:40:21,710 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 17:40:21,712 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 17:40:21,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:21,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:21,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:21,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:21,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:21,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:21,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:21,742 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 17:40:21,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:21,744 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 17:40:21,747 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 17:40:21,749 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 17:40:21,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:21,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:21,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:21,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:21,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:21,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:21,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:21,782 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 17:40:21,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:21,785 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 17:40:21,789 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 17:40:21,790 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 17:40:21,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:21,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:21,797 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:40:21,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:21,817 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:40:21,817 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:40:21,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:21,851 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 17:40:21,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:21,854 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 17:40:21,857 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 17:40:21,858 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 17:40:21,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:21,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:21,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:21,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:21,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:21,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:21,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:21,915 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:40:21,915 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-10-12 17:40:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:21,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:21,921 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 17:40:21,922 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 17:40:21,946 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:21,974 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:21,974 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:21,975 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i, N) = -1*i + 1*N Supporting invariants [] [2023-10-12 17:40:21,981 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 17:40:21,984 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:22,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:22,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:22,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:22,031 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:22,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:22,032 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 17:40:22,060 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 17:40:22,141 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 17:40:22,146 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 17:40:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:22,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:40:22,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:22,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:40:22,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,152 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:22,153 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:40:22,153 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 26 places, 60 transitions, 312 flow [2023-10-12 17:40:22,155 ERROR L47 etriNetUnfolderRabin]: [1:1A:[102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[][56], 2:2A:[81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][0], 4:3A:[84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1][14]][5:4A:[94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (select v_A_10 v_j_16))) (ite (< v_max2_12 .cse0) .cse0 v_max2_12)) v_max2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, M=v_M_10, j=v_j_16, max2=v_max2_12} OutVars{A=v_A_10, M=v_M_10, j=v_j_15, max2=v_max2_11} AuxVars[] AssignedVars[j, max2][51]] [2023-10-12 17:40:22,155 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:22,155 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-10-12 17:40:22,155 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:40:22,155 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:22,156 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 79#[L23-1, L60, L34-1]true [2023-10-12 17:40:22,156 INFO L750 eck$LassoCheckResult]: Loop: 79#[L23-1, L60, L34-1]true [94] L34-1-->L34-1: Formula: (and (= v_j_15 (+ v_j_16 1)) (= (let ((.cse0 (select v_A_10 v_j_16))) (ite (< v_max2_12 .cse0) .cse0 v_max2_12)) v_max2_11) (< v_j_16 v_M_10)) InVars {A=v_A_10, M=v_M_10, j=v_j_16, max2=v_max2_12} OutVars{A=v_A_10, M=v_M_10, j=v_j_15, max2=v_max2_11} AuxVars[] AssignedVars[j, max2] 79#[L23-1, L60, L34-1]true [2023-10-12 17:40:22,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,157 INFO L85 PathProgramCache]: Analyzing trace with hash 130408, now seen corresponding path program 1 times [2023-10-12 17:40:22,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:22,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837422462] [2023-10-12 17:40:22,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:22,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:22,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash 125, now seen corresponding path program 1 times [2023-10-12 17:40:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091093984] [2023-10-12 17:40:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:22,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 4042742, now seen corresponding path program 1 times [2023-10-12 17:40:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:22,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422735903] [2023-10-12 17:40:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:22,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:22,337 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:22,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:22,337 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:22,337 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:22,337 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:22,337 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,337 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:22,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:22,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:40:22,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:22,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:22,340 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 17:40:22,343 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 17:40:22,346 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 17:40:22,349 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 17:40:22,397 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 17:40:22,402 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 17:40:22,407 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 17:40:22,554 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:22,554 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:22,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:22,556 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 17:40:22,558 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 17:40:22,583 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 17:40:22,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:22,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:22,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:22,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:22,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:22,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:22,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:22,637 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 17:40:22,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:22,639 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 17:40:22,643 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 17:40:22,645 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 17:40:22,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:22,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:22,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:22,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:22,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:22,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:22,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:22,679 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 17:40:22,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:22,681 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 17:40:22,684 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 17:40:22,686 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 17:40:22,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:22,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:22,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:22,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:22,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:22,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:22,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:22,716 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 17:40:22,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:22,718 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 17:40:22,728 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 17:40:22,728 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 17:40:22,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:22,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:22,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:22,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:22,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:22,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:22,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:22,774 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:40:22,775 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:40:22,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:22,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:22,783 INFO L229 MonitoredProcess]: Starting monitored process 11 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 17:40:22,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-10-12 17:40:22,788 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:22,810 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:22,810 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:22,810 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(M, j) = 1*M - 1*j Supporting invariants [] [2023-10-12 17:40:22,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-10-12 17:40:22,821 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:22,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:22,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:22,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:22,856 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:22,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:22,857 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 17:40:22,858 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 17:40:22,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-10-12 17:40:22,900 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 17:40:22,975 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 17:40:22,976 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 17:40:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:22,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:40:22,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:22,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:40:22,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:22,978 INFO L430 stractBuchiCegarLoop]: Abstraction has has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:22,978 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:40:22,978 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 30 places, 240 transitions, 1728 flow [2023-10-12 17:40:22,980 ERROR L47 etriNetUnfolderRabin]: [1:1A:[102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[][225], 2:2A:[81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0][1], 4:3A:[84] L59-1-->L34-1: 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][57], 7:4A:[87] L60-->L45-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0][95]][8:5A:[99] L45-1-->L45-1: Formula: (and (= (let ((.cse0 (select v_A_14 v_k_14))) (ite (< v_max3_14 .cse0) .cse0 v_max3_14)) v_max3_13) (= v_k_13 (+ v_k_14 1)) (< v_k_14 v_N_14)) InVars {A=v_A_14, N=v_N_14, k=v_k_14, max3=v_max3_14} OutVars{A=v_A_14, N=v_N_14, k=v_k_13, max3=v_max3_13} AuxVars[] AssignedVars[k, max3][110]] [2023-10-12 17:40:22,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:40:22,981 INFO L124 PetriNetUnfolderBase]: 2/7 cut-off events. [2023-10-12 17:40:22,981 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:40:22,981 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:40:22,981 INFO L748 eck$LassoCheckResult]: Stem: 40#[$Ultimate##0]true [102] $Ultimate##0-->L59: Formula: (and (= v_i_21 v_j_21) (<= 0 v_M_14) (= v_i_21 v_max1_21) (= v_i_21 v_max3_21) (= v_i_21 v_max2_21) (= v_M_14 v_k_17) (< v_M_14 v_N_18) (= v_i_21 0)) InVars {N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} OutVars{N=v_N_18, M=v_M_14, k=v_k_17, j=v_j_21, i=v_i_21, max1=v_max1_21, max2=v_max2_21, max3=v_max3_21} AuxVars[] AssignedVars[] 42#[L59]true [81] L59-->L23-1: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 44#[L23-1, L59-1]true [84] L59-1-->L34-1: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 79#[L23-1, L60, L34-1]true [87] L60-->L45-1: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 113#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:40:22,982 INFO L750 eck$LassoCheckResult]: Loop: 113#[L23-1, L61, L34-1, L45-1]true [99] L45-1-->L45-1: Formula: (and (= (let ((.cse0 (select v_A_14 v_k_14))) (ite (< v_max3_14 .cse0) .cse0 v_max3_14)) v_max3_13) (= v_k_13 (+ v_k_14 1)) (< v_k_14 v_N_14)) InVars {A=v_A_14, N=v_N_14, k=v_k_14, max3=v_max3_14} OutVars{A=v_A_14, N=v_N_14, k=v_k_13, max3=v_max3_13} AuxVars[] AssignedVars[k, max3] 113#[L23-1, L61, L34-1, L45-1]true [2023-10-12 17:40:22,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,982 INFO L85 PathProgramCache]: Analyzing trace with hash 4042735, now seen corresponding path program 1 times [2023-10-12 17:40:22,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:22,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070088099] [2023-10-12 17:40:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:22,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:22,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:22,993 INFO L85 PathProgramCache]: Analyzing trace with hash 130, now seen corresponding path program 1 times [2023-10-12 17:40:22,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:22,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282875018] [2023-10-12 17:40:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:22,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:22,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:23,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:23,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash 125324884, now seen corresponding path program 1 times [2023-10-12 17:40:23,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:40:23,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956239879] [2023-10-12 17:40:23,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:40:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:40:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:23,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:40:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:40:23,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:40:23,129 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:40:23,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:40:23,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:40:23,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:40:23,130 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:40:23,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:40:23,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:40:23,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: max-fun.wvr.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:40:23,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:40:23,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:40:23,133 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 17:40:23,136 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 17:40:23,139 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 17:40:23,141 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 17:40:23,143 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 17:40:23,145 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 17:40:23,147 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 17:40:23,150 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 17:40:23,179 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 17:40:23,183 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 17:40:23,185 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 17:40:23,318 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:40:23,318 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:40:23,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,321 INFO L229 MonitoredProcess]: Starting monitored process 12 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 17:40:23,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:40:23,329 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 17:40:23,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,363 INFO L229 MonitoredProcess]: Starting monitored process 13 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 17:40:23,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:40:23,395 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 17:40:23,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,427 INFO L229 MonitoredProcess]: Starting monitored process 14 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 17:40:23,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:40:23,431 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 17:40:23,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,600 INFO L229 MonitoredProcess]: Starting monitored process 15 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 17:40:23,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:40:23,606 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 17:40:23,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,633 INFO L229 MonitoredProcess]: Starting monitored process 16 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 17:40:23,639 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 17:40:23,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:40:23,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,691 INFO L229 MonitoredProcess]: Starting monitored process 17 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 17:40:23,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:40:23,701 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 17:40:23,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,738 INFO L229 MonitoredProcess]: Starting monitored process 18 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 17:40:23,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:40:23,745 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 17:40:23,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,780 INFO L229 MonitoredProcess]: Starting monitored process 19 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 17:40:23,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:40:23,788 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 17:40:23,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,796 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:40:23,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,810 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:40:23,810 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:40:23,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:40:23,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,837 INFO L229 MonitoredProcess]: Starting monitored process 20 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 17:40:23,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:40:23,843 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 17:40:23,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:40:23,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:40:23,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:40:23,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:40:23,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:40:23,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:40:23,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:40:23,874 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:40:23,875 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:40:23,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:40:23,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:40:23,876 INFO L229 MonitoredProcess]: Starting monitored process 21 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 17:40:23,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:40:23,883 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:40:23,890 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:40:23,890 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:40:23,891 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, N) = -1*k + 1*N Supporting invariants [] [2023-10-12 17:40:23,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:23,897 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:40:23,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:40:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:23,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:40:23,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:40:23,926 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:40:23,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:40:23,927 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 17:40:23,928 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 17:40:23,992 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 17:40:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:40:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2023-10-12 17:40:23,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:40:23,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:23,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:40:23,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:23,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 176 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:40:23,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:40:23,994 INFO L430 stractBuchiCegarLoop]: Abstraction has has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:23,994 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:40:23,994 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 34 places, 960 transitions, 8832 flow [2023-10-12 17:40:24,029 INFO L124 PetriNetUnfolderBase]: 90/133 cut-off events. [2023-10-12 17:40:24,029 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-10-12 17:40:24,029 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:40:24,034 INFO L201 PluginConnector]: Adding new model max-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:40:24 BoogieIcfgContainer [2023-10-12 17:40:24,035 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:40:24,036 INFO L158 Benchmark]: Toolchain (without parser) took 3680.77ms. Allocated memory was 178.3MB in the beginning and 284.2MB in the end (delta: 105.9MB). Free memory was 129.0MB in the beginning and 176.8MB in the end (delta: -47.8MB). Peak memory consumption was 58.5MB. Max. memory is 8.0GB. [2023-10-12 17:40:24,036 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 178.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:40:24,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.80ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 127.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:24,037 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:40:24,037 INFO L158 Benchmark]: RCFGBuilder took 233.75ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:40:24,038 INFO L158 Benchmark]: BuchiAutomizer took 3391.42ms. Allocated memory was 178.3MB in the beginning and 284.2MB in the end (delta: 105.9MB). Free memory was 115.8MB in the beginning and 176.8MB in the end (delta: -61.0MB). Peak memory consumption was 45.9MB. Max. memory is 8.0GB. [2023-10-12 17:40:24,039 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 0.24ms. Allocated memory is still 178.3MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.80ms. Allocated memory is still 178.3MB. Free memory was 128.8MB in the beginning and 127.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 126.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 233.75ms. Allocated memory is still 178.3MB. Free memory was 126.1MB in the beginning and 116.0MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3391.42ms. Allocated memory was 178.3MB in the beginning and 284.2MB in the end (delta: 105.9MB). Free memory was 115.8MB in the beginning and 176.8MB in the end (delta: -61.0MB). Peak memory consumption was 45.9MB. 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 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function M + -1 * j and consists of 4 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 2.3s. 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 114 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital65 mio100 ax100 hnf100 lsp99 ukn59 mio100 lsp55 div100 bol100 ite100 ukn100 eq161 hnf94 smp100 dnf150 smp65 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - 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: 0.4s, 33 PlacesBefore, 22 PlacesAfterwards, 26 TransitionsBefore, 15 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 3 FixpointIterations, 6 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 124, independent: 124, independent conditional: 0, independent unconditional: 124, 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: 82, independent: 82, independent conditional: 0, independent unconditional: 82, 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: 82, independent: 82, independent conditional: 0, independent unconditional: 82, 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: 124, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 82, unknown conditional: 0, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, 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 17:40:24,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:40:24,264 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...