/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/POPL2023/sum2_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:37:20,449 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:37:20,481 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 17:37:20,496 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:37:20,496 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:37:20,496 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:37:20,497 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:37:20,497 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:37:20,498 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:37:20,498 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:37:20,498 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:37:20,498 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:37:20,498 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:37:20,499 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:37:20,499 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:37:20,499 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:37:20,499 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:37:20,500 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:37:20,500 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:37:20,500 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:37:20,500 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:37:20,513 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:37:20,513 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:37:20,513 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:37:20,513 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:37:20,514 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:37:20,514 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:37:20,514 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:37:20,514 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:37:20,515 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:37:20,515 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:37:20,515 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:37:20,515 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:37:20,516 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:37:20,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:37:20,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:37:20,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:37:20,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:37:20,714 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:37:20,716 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:37:20,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum2_diff_incr_decr.bpl [2023-10-12 17:37:20,717 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum2_diff_incr_decr.bpl' [2023-10-12 17:37:20,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:37:20,739 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:37:20,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:20,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:37:20,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:37:20,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,759 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:37:20,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:20,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:37:20,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:37:20,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:37:20,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:37:20,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:37:20,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:37:20,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:37:20,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/1) ... [2023-10-12 17:37:20,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:20,800 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 17:37:20,821 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 17:37:20,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:37:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:37:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:37:20,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2023-10-12 17:37:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2023-10-12 17:37:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2023-10-12 17:37:20,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2023-10-12 17:37:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2023-10-12 17:37:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2023-10-12 17:37:20,844 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 17:37:20,883 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:37:20,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:37:20,994 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:37:21,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:37:21,002 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:37:21,003 INFO L201 PluginConnector]: Adding new model sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:21 BoogieIcfgContainer [2023-10-12 17:37:21,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:37:21,004 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:37:21,004 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:37:21,010 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:37:21,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:21,010 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:20" (1/2) ... [2023-10-12 17:37:21,012 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9482c10 and model type sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:37:21, skipping insertion in model container [2023-10-12 17:37:21,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:21,012 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:21" (2/2) ... [2023-10-12 17:37:21,013 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum2_diff_incr_decr.bpl [2023-10-12 17:37:21,093 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:37:21,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 27 transitions, 70 flow [2023-10-12 17:37:21,154 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2023-10-12 17:37:21,154 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:37:21,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2023-10-12 17:37:21,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 27 transitions, 70 flow [2023-10-12 17:37:21,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 23 transitions, 58 flow [2023-10-12 17:37:21,162 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:37:21,189 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 23 transitions, 58 flow [2023-10-12 17:37:21,191 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 23 transitions, 58 flow [2023-10-12 17:37:21,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 23 transitions, 58 flow [2023-10-12 17:37:21,196 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2023-10-12 17:37:21,196 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:37:21,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 2/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2023-10-12 17:37:21,197 INFO L119 LiptonReduction]: Number of co-enabled transitions 160 [2023-10-12 17:37:21,496 INFO L134 LiptonReduction]: Checked pairs total: 123 [2023-10-12 17:37:21,497 INFO L136 LiptonReduction]: Total number of compositions: 11 [2023-10-12 17:37:21,505 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:37:21,505 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:37:21,505 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:37:21,505 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:37:21,506 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:37:21,506 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:37:21,506 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:37:21,506 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:37:21,506 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 17 places, 12 transitions, 36 flow [2023-10-12 17:37:21,508 ERROR L47 etriNetUnfolderRabin]: [1:1A:[74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum][4], 3:2A:[80] $Ultimate##0-->L17-1: Formula: (and (= v_T1Thread1of1ForFork0_sum_11 0) (= v_T1Thread1of1ForFork0_i_17 0)) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_17, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_11} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum][9]][4:3A:[89] L17-1-->L17-1: Formula: (and (= (+ v_T1Thread1of1ForFork0_i_32 1) v_T1Thread1of1ForFork0_i_31) (= v_T1Thread1of1ForFork0_sum_17 (+ (select v_B_28 v_T1Thread1of1ForFork0_i_32) v_T1Thread1of1ForFork0_sum_18 (select v_A_28 v_T1Thread1of1ForFork0_i_32))) (= (store v_A_29 v_T1Thread1of1ForFork0_i_32 (+ (select v_A_29 v_T1Thread1of1ForFork0_i_32) 1)) v_A_28) (< v_T1Thread1of1ForFork0_i_32 v_N_15) (= v_B_28 (store v_B_29 v_T1Thread1of1ForFork0_i_32 (+ (- 1) (select v_B_29 v_T1Thread1of1ForFork0_i_32))))) InVars {A=v_A_29, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_32, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_18, B=v_B_29} OutVars{A=v_A_28, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_31, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_17, B=v_B_28} AuxVars[] AssignedVars[A, T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum, B][10]] [2023-10-12 17:37:21,509 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:21,510 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:37:21,510 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:21,510 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:21,511 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:37:21,512 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 17 places, 12 transitions, 36 flow [2023-10-12 17:37:21,512 ERROR L47 etriNetUnfolderRabin]: [1:1A:[74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum][4], 3:2A:[80] $Ultimate##0-->L17-1: Formula: (and (= v_T1Thread1of1ForFork0_sum_11 0) (= v_T1Thread1of1ForFork0_i_17 0)) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_17, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_11} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum][9]][4:3A:[89] L17-1-->L17-1: Formula: (and (= (+ v_T1Thread1of1ForFork0_i_32 1) v_T1Thread1of1ForFork0_i_31) (= v_T1Thread1of1ForFork0_sum_17 (+ (select v_B_28 v_T1Thread1of1ForFork0_i_32) v_T1Thread1of1ForFork0_sum_18 (select v_A_28 v_T1Thread1of1ForFork0_i_32))) (= (store v_A_29 v_T1Thread1of1ForFork0_i_32 (+ (select v_A_29 v_T1Thread1of1ForFork0_i_32) 1)) v_A_28) (< v_T1Thread1of1ForFork0_i_32 v_N_15) (= v_B_28 (store v_B_29 v_T1Thread1of1ForFork0_i_32 (+ (- 1) (select v_B_29 v_T1Thread1of1ForFork0_i_32))))) InVars {A=v_A_29, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_32, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_18, B=v_B_29} OutVars{A=v_A_28, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_31, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_17, B=v_B_28} AuxVars[] AssignedVars[A, T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum, B][10]] [2023-10-12 17:37:21,513 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:21,513 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:37:21,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:21,513 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:21,516 INFO L748 eck$LassoCheckResult]: Stem: 34#[$Ultimate##0]true [74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum] 36#[L46, $Ultimate##0]true [80] $Ultimate##0-->L17-1: Formula: (and (= v_T1Thread1of1ForFork0_sum_11 0) (= v_T1Thread1of1ForFork0_i_17 0)) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_17, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_11} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum] 38#[L17-1, L46]true [2023-10-12 17:37:21,516 INFO L750 eck$LassoCheckResult]: Loop: 38#[L17-1, L46]true [89] L17-1-->L17-1: Formula: (and (= (+ v_T1Thread1of1ForFork0_i_32 1) v_T1Thread1of1ForFork0_i_31) (= v_T1Thread1of1ForFork0_sum_17 (+ (select v_B_28 v_T1Thread1of1ForFork0_i_32) v_T1Thread1of1ForFork0_sum_18 (select v_A_28 v_T1Thread1of1ForFork0_i_32))) (= (store v_A_29 v_T1Thread1of1ForFork0_i_32 (+ (select v_A_29 v_T1Thread1of1ForFork0_i_32) 1)) v_A_28) (< v_T1Thread1of1ForFork0_i_32 v_N_15) (= v_B_28 (store v_B_29 v_T1Thread1of1ForFork0_i_32 (+ (- 1) (select v_B_29 v_T1Thread1of1ForFork0_i_32))))) InVars {A=v_A_29, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_32, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_18, B=v_B_29} OutVars{A=v_A_28, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_31, N=v_N_15, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_17, B=v_B_28} AuxVars[] AssignedVars[A, T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_sum, B] 38#[L17-1, L46]true [2023-10-12 17:37:21,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash 3335, now seen corresponding path program 1 times [2023-10-12 17:37:21,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:21,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728392021] [2023-10-12 17:37:21,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:21,597 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash 120, now seen corresponding path program 1 times [2023-10-12 17:37:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:21,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612019855] [2023-10-12 17:37:21,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:21,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:21,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:21,626 INFO L85 PathProgramCache]: Analyzing trace with hash 103474, now seen corresponding path program 1 times [2023-10-12 17:37:21,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:21,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459897865] [2023-10-12 17:37:21,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:21,652 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:21,733 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:21,734 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:21,734 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:21,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:21,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:21,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:21,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:21,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:21,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum2_diff_incr_decr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:37:21,735 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:21,735 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:21,745 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 17:37:21,773 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 17:37:21,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:21,815 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:21,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:21,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:21,818 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 17:37:21,819 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 17:37:21,852 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 17:37:21,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:21,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:21,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:21,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:21,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:21,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:21,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:21,901 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:37:21,901 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:37:21,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:21,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:21,905 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 17:37:21,924 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:21,932 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 17:37:21,939 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:37:21,940 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:21,940 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:37:21,946 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 17:37:21,948 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:37:21,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:21,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:37:21,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:21,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:21,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:21,981 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 17:37:22,000 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 17:37:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:37:22,059 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 17:37:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2023-10-12 17:37:22,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:37:22,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:37:22,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:37:22,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,063 INFO L430 stractBuchiCegarLoop]: Abstraction has has 21 places, 48 transitions, 240 flow [2023-10-12 17:37:22,063 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:37:22,063 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 21 places, 48 transitions, 240 flow [2023-10-12 17:37:22,064 ERROR L47 etriNetUnfolderRabin]: [1:1A:[74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum][17], 2:2A:[77] L46-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_8, T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j][5], 5:3A:[86] $Ultimate##0-->L34-1: Formula: (and (= v_T2Thread1of1ForFork1_sum_11 0) (= v_T2Thread1of1ForFork1_j_23 0)) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_11, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_23} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, T2Thread1of1ForFork1_j][21]][6:4A:[90] L34-1-->L34-1: Formula: (let ((.cse1 (select v_A_36 v_T2Thread1of1ForFork1_j_36)) (.cse0 (select v_B_36 v_T2Thread1of1ForFork1_j_36))) (and (= (store v_D_16 v_T2Thread1of1ForFork1_j_36 (+ (* (- 1) .cse0) .cse1)) v_D_15) (= (+ v_T2Thread1of1ForFork1_sum_22 .cse1 .cse0) v_T2Thread1of1ForFork1_sum_21) (< v_T2Thread1of1ForFork1_j_36 v_N_19) (= (+ v_T2Thread1of1ForFork1_j_36 1) v_T2Thread1of1ForFork1_j_35))) InVars {A=v_A_36, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_22, N=v_N_19, D=v_D_16, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_36, B=v_B_36} OutVars{A=v_A_36, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_21, N=v_N_19, D=v_D_15, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_35, B=v_B_36} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, D, T2Thread1of1ForFork1_j][45]] [2023-10-12 17:37:22,065 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:22,065 INFO L124 PetriNetUnfolderBase]: 1/5 cut-off events. [2023-10-12 17:37:22,065 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:37:22,065 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:22,065 INFO L748 eck$LassoCheckResult]: Stem: 34#[$Ultimate##0]true [74] $Ultimate##0-->$Ultimate##0: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_16, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2, T1Thread1of1ForFork0_sum=v_T1Thread1of1ForFork0_sum_8} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0, T1Thread1of1ForFork0_sum] 36#[L46, $Ultimate##0]true [77] L46-->$Ultimate##0: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_8, T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j] 73#[L47, $Ultimate##0, $Ultimate##0]true [86] $Ultimate##0-->L34-1: Formula: (and (= v_T2Thread1of1ForFork1_sum_11 0) (= v_T2Thread1of1ForFork1_j_23 0)) InVars {} OutVars{T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_11, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_23} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, T2Thread1of1ForFork1_j] 75#[L47, $Ultimate##0, L34-1]true [2023-10-12 17:37:22,065 INFO L750 eck$LassoCheckResult]: Loop: 75#[L47, $Ultimate##0, L34-1]true [90] L34-1-->L34-1: Formula: (let ((.cse1 (select v_A_36 v_T2Thread1of1ForFork1_j_36)) (.cse0 (select v_B_36 v_T2Thread1of1ForFork1_j_36))) (and (= (store v_D_16 v_T2Thread1of1ForFork1_j_36 (+ (* (- 1) .cse0) .cse1)) v_D_15) (= (+ v_T2Thread1of1ForFork1_sum_22 .cse1 .cse0) v_T2Thread1of1ForFork1_sum_21) (< v_T2Thread1of1ForFork1_j_36 v_N_19) (= (+ v_T2Thread1of1ForFork1_j_36 1) v_T2Thread1of1ForFork1_j_35))) InVars {A=v_A_36, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_22, N=v_N_19, D=v_D_16, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_36, B=v_B_36} OutVars{A=v_A_36, T2Thread1of1ForFork1_sum=v_T2Thread1of1ForFork1_sum_21, N=v_N_19, D=v_D_15, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_35, B=v_B_36} AuxVars[] AssignedVars[T2Thread1of1ForFork1_sum, D, T2Thread1of1ForFork1_j] 75#[L47, $Ultimate##0, L34-1]true [2023-10-12 17:37:22,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash 103378, now seen corresponding path program 1 times [2023-10-12 17:37:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371692499] [2023-10-12 17:37:22,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:22,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:22,072 INFO L85 PathProgramCache]: Analyzing trace with hash 121, now seen corresponding path program 1 times [2023-10-12 17:37:22,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:22,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305891892] [2023-10-12 17:37:22,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:22,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,080 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:22,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:22,080 INFO L85 PathProgramCache]: Analyzing trace with hash 3204808, now seen corresponding path program 1 times [2023-10-12 17:37:22,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:22,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667882675] [2023-10-12 17:37:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:22,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:22,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:22,129 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:22,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:22,129 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:22,129 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:22,129 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:22,129 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,129 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:22,129 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:22,129 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum2_diff_incr_decr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:37:22,129 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:22,129 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:22,130 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 17:37:22,133 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 17:37:22,134 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 17:37:22,136 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 17:37:22,138 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 17:37:22,140 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 17:37:22,194 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:22,195 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:22,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,196 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 17:37:22,225 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 17:37:22,226 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 17:37:22,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:22,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:22,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,254 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 17:37:22,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,255 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 17:37:22,257 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 17:37:22,258 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 17:37:22,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:37:22,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:37:22,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:37:22,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,300 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 17:37:22,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,302 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 17:37:22,304 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 17:37:22,305 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 17:37:22,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:22,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:22,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,328 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 17:37:22,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,330 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 17:37:22,332 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 17:37:22,333 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 17:37:22,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:22,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:22,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:37:22,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,375 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 17:37:22,376 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 17:37:22,378 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 17:37:22,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:37:22,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:37:22,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:37:22,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,401 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 17:37:22,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,404 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 17:37:22,424 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 17:37:22,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:37:22,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:37:22,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:37:22,434 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 17:37:22,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,453 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 17:37:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,454 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 17:37:22,456 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 17:37:22,458 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 17:37:22,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:22,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:22,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:22,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,505 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 17:37:22,507 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 17:37:22,536 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 17:37:22,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:22,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:22,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:22,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:22,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:22,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:22,569 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:22,574 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:37:22,574 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:37:22,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:22,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:22,577 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 17:37:22,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:22,591 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 17:37:22,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:37:22,598 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:22,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2023-10-12 17:37:22,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:37:22,612 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:37:22,625 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:22,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:37:22,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:22,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:22,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:22,642 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 17:37:22,642 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 17:37:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:37:22,726 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 17:37:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2023-10-12 17:37:22,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:37:22,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:37:22,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 108 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:37:22,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:22,728 INFO L430 stractBuchiCegarLoop]: Abstraction has has 25 places, 192 transitions, 1344 flow [2023-10-12 17:37:22,728 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:37:22,728 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 25 places, 192 transitions, 1344 flow [2023-10-12 17:37:22,735 INFO L124 PetriNetUnfolderBase]: 25/48 cut-off events. [2023-10-12 17:37:22,735 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-10-12 17:37:22,735 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is empty [2023-10-12 17:37:22,739 INFO L201 PluginConnector]: Adding new model sum2_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:37:22 BoogieIcfgContainer [2023-10-12 17:37:22,740 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:37:22,740 INFO L158 Benchmark]: Toolchain (without parser) took 2001.39ms. Allocated memory is still 223.3MB. Free memory was 179.4MB in the beginning and 127.7MB in the end (delta: 51.7MB). Peak memory consumption was 52.7MB. Max. memory is 8.0GB. [2023-10-12 17:37:22,740 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.23ms. Allocated memory is still 223.3MB. Free memory is still 180.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:37:22,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.19ms. Allocated memory is still 223.3MB. Free memory was 179.1MB in the beginning and 177.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:37:22,741 INFO L158 Benchmark]: Boogie Preprocessor took 13.73ms. Allocated memory is still 223.3MB. Free memory was 177.5MB in the beginning and 176.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:37:22,742 INFO L158 Benchmark]: RCFGBuilder took 227.49ms. Allocated memory is still 223.3MB. Free memory was 176.5MB in the beginning and 166.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:37:22,742 INFO L158 Benchmark]: BuchiAutomizer took 1735.45ms. Allocated memory is still 223.3MB. Free memory was 166.6MB in the beginning and 127.7MB in the end (delta: 38.9MB). Peak memory consumption was 39.0MB. Max. memory is 8.0GB. [2023-10-12 17:37:22,743 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 0.23ms. Allocated memory is still 223.3MB. Free memory is still 180.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.19ms. Allocated memory is still 223.3MB. Free memory was 179.1MB in the beginning and 177.5MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.73ms. Allocated memory is still 223.3MB. Free memory was 177.5MB in the beginning and 176.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 227.49ms. Allocated memory is still 223.3MB. Free memory was 176.5MB in the beginning and 166.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1735.45ms. Allocated memory is still 223.3MB. Free memory was 166.6MB in the beginning and 127.7MB in the end (delta: 38.9MB). Peak memory consumption was 39.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 75 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital49 mio100 ax100 hnf100 lsp87 ukn44 mio100 lsp64 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf100 smp100 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 124ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - 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: 0.3s, 28 PlacesBefore, 17 PlacesAfterwards, 23 TransitionsBefore, 12 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 98, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 98, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 98, unknown conditional: 0, unknown unconditional: 98] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, 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 17:37:22,757 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 17:37:22,958 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 17:37:23,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...