/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/sumsumbank.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:37:23,984 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:37:24,084 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 17:37:24,114 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:37:24,115 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:37:24,115 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:37:24,116 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:37:24,117 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:37:24,117 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:37:24,120 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:37:24,121 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:37:24,121 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:37:24,121 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:37:24,122 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:37:24,123 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:37:24,123 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:37:24,123 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:37:24,124 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:37:24,124 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:37:24,124 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:37:24,124 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:37:24,125 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:37:24,126 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:37:24,126 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:37:24,126 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:37:24,126 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:37:24,126 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:37:24,127 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:37:24,127 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:37:24,127 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:37:24,128 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:37:24,128 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:37:24,128 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:37:24,130 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:37:24,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> RABIN_PETRI_NET [2023-10-12 17:37:24,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:37:24,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:37:24,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:37:24,402 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:37:24,402 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:37:24,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl [2023-10-12 17:37:24,404 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumbank.bpl' [2023-10-12 17:37:24,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:37:24,432 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:37:24,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:24,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:37:24,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:37:24,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,459 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:37:24,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:37:24,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:37:24,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:37:24,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:37:24,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:37:24,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:37:24,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:37:24,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:37:24,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/1) ... [2023-10-12 17:37:24,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:24,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:24,511 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 17:37:24,516 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 17:37:24,542 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2023-10-12 17:37:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2023-10-12 17:37:24,546 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2023-10-12 17:37:24,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2023-10-12 17:37:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2023-10-12 17:37:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2023-10-12 17:37:24,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2023-10-12 17:37:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2023-10-12 17:37:24,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2023-10-12 17:37:24,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:37:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:37:24,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:37:24,549 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 17:37:24,596 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:37:24,598 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:37:24,736 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:37:24,753 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:37:24,753 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-10-12 17:37:24,756 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:24 BoogieIcfgContainer [2023-10-12 17:37:24,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:37:24,757 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:37:24,758 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:37:24,761 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:37:24,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:24,762 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:37:24" (1/2) ... [2023-10-12 17:37:24,763 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45347119 and model type sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:37:24, skipping insertion in model container [2023-10-12 17:37:24,763 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:37:24,764 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:37:24" (2/2) ... [2023-10-12 17:37:24,768 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumbank.bpl [2023-10-12 17:37:24,854 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:37:24,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 29 transitions, 79 flow [2023-10-12 17:37:24,911 INFO L124 PetriNetUnfolderBase]: 3/23 cut-off events. [2023-10-12 17:37:24,911 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:37:24,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 23 events. 3/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 40 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2023-10-12 17:37:24,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 29 transitions, 79 flow [2023-10-12 17:37:24,920 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 23 transitions, 61 flow [2023-10-12 17:37:24,923 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:37:24,950 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 23 transitions, 61 flow [2023-10-12 17:37:24,952 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 23 transitions, 61 flow [2023-10-12 17:37:24,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 23 transitions, 61 flow [2023-10-12 17:37:24,958 INFO L124 PetriNetUnfolderBase]: 3/23 cut-off events. [2023-10-12 17:37:24,958 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:37:24,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 23 events. 3/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 40 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 2 conditions per place. [2023-10-12 17:37:24,959 INFO L119 LiptonReduction]: Number of co-enabled transitions 222 [2023-10-12 17:37:25,101 INFO L134 LiptonReduction]: Checked pairs total: 214 [2023-10-12 17:37:25,101 INFO L136 LiptonReduction]: Total number of compositions: 5 [2023-10-12 17:37:25,113 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:37:25,113 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:37:25,113 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:37:25,113 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:37:25,113 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:37:25,113 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:37:25,114 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:37:25,114 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == RabinPetriNetCegarLoop ======== [2023-10-12 17:37:25,114 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 25 places, 18 transitions, 51 flow [2023-10-12 17:37:25,118 ERROR L47 etriNetUnfolderRabin]: [1:1A:[78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0][11], 2:2A:[61] $Ultimate##0-->L19: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1][9], 5:3A:[62] L19-->L21-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1][4]][6:4A:[89] L21-1-->L21-1: Formula: (and (< v_i1_15 v_N_7) (= (+ (select v_A_7 v_i1_15) v_sum1_14) v_sum1_13) (= v_i1_14 (+ v_i1_15 1))) InVars {sum1=v_sum1_14, A=v_A_7, N=v_N_7, i1=v_i1_15} OutVars{sum1=v_sum1_13, A=v_A_7, N=v_N_7, i1=v_i1_14} AuxVars[] AssignedVars[sum1, i1][16]] [2023-10-12 17:37:25,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:25,120 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-10-12 17:37:25,120 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:25,120 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:25,122 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:37:25,123 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 25 places, 18 transitions, 51 flow [2023-10-12 17:37:25,124 ERROR L47 etriNetUnfolderRabin]: [1:1A:[78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0][11], 2:2A:[61] $Ultimate##0-->L19: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1][9], 5:3A:[62] L19-->L21-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1][4]][6:4A:[89] L21-1-->L21-1: Formula: (and (< v_i1_15 v_N_7) (= (+ (select v_A_7 v_i1_15) v_sum1_14) v_sum1_13) (= v_i1_14 (+ v_i1_15 1))) InVars {sum1=v_sum1_14, A=v_A_7, N=v_N_7, i1=v_i1_15} OutVars{sum1=v_sum1_13, A=v_A_7, N=v_N_7, i1=v_i1_14} AuxVars[] AssignedVars[sum1, i1][16]] [2023-10-12 17:37:25,125 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:25,125 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-10-12 17:37:25,125 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:37:25,125 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:25,129 INFO L748 eck$LassoCheckResult]: Stem: 37#[$Ultimate##0]true [78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0] 39#[L57, $Ultimate##0]true [61] $Ultimate##0-->L19: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 41#[L19, L57]true [62] L19-->L21-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 43#[L21-1, L57]true [2023-10-12 17:37:25,130 INFO L750 eck$LassoCheckResult]: Loop: 43#[L21-1, L57]true [89] L21-1-->L21-1: Formula: (and (< v_i1_15 v_N_7) (= (+ (select v_A_7 v_i1_15) v_sum1_14) v_sum1_13) (= v_i1_14 (+ v_i1_15 1))) InVars {sum1=v_sum1_14, A=v_A_7, N=v_N_7, i1=v_i1_15} OutVars{sum1=v_sum1_13, A=v_A_7, N=v_N_7, i1=v_i1_14} AuxVars[] AssignedVars[sum1, i1] 43#[L21-1, L57]true [2023-10-12 17:37:25,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash 106702, now seen corresponding path program 1 times [2023-10-12 17:37:25,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169097527] [2023-10-12 17:37:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,257 INFO L85 PathProgramCache]: Analyzing trace with hash 120, now seen corresponding path program 1 times [2023-10-12 17:37:25,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069184025] [2023-10-12 17:37:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash 3307851, now seen corresponding path program 1 times [2023-10-12 17:37:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609090722] [2023-10-12 17:37:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,352 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:25,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:25,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:25,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:25,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:25,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,354 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:25,354 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:25,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumbank.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:37:25,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:25,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:25,367 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 17:37:25,375 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 17:37:25,379 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 17:37:25,445 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:25,449 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:25,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:25,457 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 17:37:25,464 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 17:37:25,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:25,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:37:25,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:25,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:25,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:25,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:37:25,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:37:25,478 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 17:37:25,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:25,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-10-12 17:37:25,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:25,489 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 17:37:25,500 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 17:37:25,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:25,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:25,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:25,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:25,509 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 17:37:25,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:25,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:25,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:25,539 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 17:37:25,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:25,541 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 17:37:25,545 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 17:37:25,546 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 17:37:25,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:25,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:25,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:25,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:25,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:25,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:25,581 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:25,594 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:37:25,594 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:37:25,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:25,597 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 17:37:25,599 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 17:37:25,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:25,611 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:37:25,612 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:25,612 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2023-10-12 17:37:25,615 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 17:37:25,618 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:37:25,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:25,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:37:25,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:25,675 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:25,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:25,676 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 17:37:25,707 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 17:37:25,786 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 17:37:25,791 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 17:37:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2023-10-12 17:37:25,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:37:25,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:25,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:37:25,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:25,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:37:25,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:25,798 INFO L430 stractBuchiCegarLoop]: Abstraction has has 29 places, 72 transitions, 348 flow [2023-10-12 17:37:25,798 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:37:25,798 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 29 places, 72 transitions, 348 flow [2023-10-12 17:37:25,805 ERROR L47 etriNetUnfolderRabin]: [1:1A:[78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0][44], 3:2A:[81] L57-->$Ultimate##0: Formula: (and (= 2 v_sum2Thread1of1ForFork1_thidvar0_2) (= 2 v_sum2Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{sum2Thread1of1ForFork1_thidvar0=v_sum2Thread1of1ForFork1_thidvar0_2, sum2Thread1of1ForFork1_thidvar1=v_sum2Thread1of1ForFork1_thidvar1_2, sum2Thread1of1ForFork1_y=v_sum2Thread1of1ForFork1_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork1_thidvar0, sum2Thread1of1ForFork1_thidvar1, sum2Thread1of1ForFork1_y][48], 10:3A:[67] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2][40], 13:4A:[68] L34-->L36-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2][0]][14:5A:[91] L36-1-->L36-1: Formula: (and (= (+ v_i2_17 1) v_i2_16) (< v_i2_17 v_N_11) (= (+ (select v_A_11 v_i2_17) v_sum2_17) v_sum2_16)) InVars {A=v_A_11, sum2=v_sum2_17, N=v_N_11, i2=v_i2_17} OutVars{A=v_A_11, sum2=v_sum2_16, N=v_N_11, i2=v_i2_16} AuxVars[] AssignedVars[sum2, i2][52]] [2023-10-12 17:37:25,807 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:25,807 INFO L124 PetriNetUnfolderBase]: 5/13 cut-off events. [2023-10-12 17:37:25,807 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:37:25,807 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:25,808 INFO L748 eck$LassoCheckResult]: Stem: 37#[$Ultimate##0]true [78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0] 39#[L57, $Ultimate##0]true [81] L57-->$Ultimate##0: Formula: (and (= 2 v_sum2Thread1of1ForFork1_thidvar0_2) (= 2 v_sum2Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{sum2Thread1of1ForFork1_thidvar0=v_sum2Thread1of1ForFork1_thidvar0_2, sum2Thread1of1ForFork1_thidvar1=v_sum2Thread1of1ForFork1_thidvar1_2, sum2Thread1of1ForFork1_y=v_sum2Thread1of1ForFork1_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork1_thidvar0, sum2Thread1of1ForFork1_thidvar1, sum2Thread1of1ForFork1_y] 82#[$Ultimate##0, L58, $Ultimate##0]true [67] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 84#[L34, L58, $Ultimate##0]true [68] L34-->L36-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 86#[L36-1, L58, $Ultimate##0]true [2023-10-12 17:37:25,808 INFO L750 eck$LassoCheckResult]: Loop: 86#[L36-1, L58, $Ultimate##0]true [91] L36-1-->L36-1: Formula: (and (= (+ v_i2_17 1) v_i2_16) (< v_i2_17 v_N_11) (= (+ (select v_A_11 v_i2_17) v_sum2_17) v_sum2_16)) InVars {A=v_A_11, sum2=v_sum2_17, N=v_N_11, i2=v_i2_17} OutVars{A=v_A_11, sum2=v_sum2_16, N=v_N_11, i2=v_i2_16} AuxVars[] AssignedVars[sum2, i2] 86#[L36-1, L58, $Ultimate##0]true [2023-10-12 17:37:25,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,810 INFO L85 PathProgramCache]: Analyzing trace with hash 3327205, now seen corresponding path program 1 times [2023-10-12 17:37:25,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771011357] [2023-10-12 17:37:25,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,820 INFO L85 PathProgramCache]: Analyzing trace with hash 122, now seen corresponding path program 1 times [2023-10-12 17:37:25,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158403849] [2023-10-12 17:37:25,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash 103143446, now seen corresponding path program 1 times [2023-10-12 17:37:25,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:25,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228714397] [2023-10-12 17:37:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:25,843 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:25,889 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:37:25,890 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:37:25,890 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:37:25,890 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:37:25,890 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:37:25,890 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,890 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:37:25,890 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:37:25,890 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumbank.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:37:25,890 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:37:25,891 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:37:25,892 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 17:37:25,907 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 17:37:25,910 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 17:37:25,912 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 17:37:25,915 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 17:37:25,918 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 17:37:25,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:37:25,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:37:25,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:25,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:25,978 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 17:37:25,992 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 17:37:25,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:26,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:26,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:26,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:26,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:26,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:26,009 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 17:37:26,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:37:26,029 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 17:37:26,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:26,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:26,163 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 17:37:26,164 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 17:37:26,233 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 17:37:26,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:37:26,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:37:26,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:37:26,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:37:26,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:37:26,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:37:26,268 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:37:26,272 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:37:26,273 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:37:26,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:37:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:37:26,274 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 17:37:26,276 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 17:37:26,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:37:26,284 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:37:26,284 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:37:26,284 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i2) = 1*N - 1*i2 Supporting invariants [] [2023-10-12 17:37:26,289 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 17:37:26,290 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:37:26,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:26,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:37:26,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:37:26,323 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:37:26,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:37:26,324 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 17:37:26,324 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 17:37:26,372 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 17:37:26,373 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 17:37:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2023-10-12 17:37:26,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:37:26,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:26,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:37:26,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:26,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 100 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:37:26,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:37:26,375 INFO L430 stractBuchiCegarLoop]: Abstraction has has 33 places, 288 transitions, 1968 flow [2023-10-12 17:37:26,375 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:37:26,376 INFO L67 RabinIsEmpty]: Start rabinIsEmpty. Operand has 33 places, 288 transitions, 1968 flow [2023-10-12 17:37:26,381 ERROR L47 etriNetUnfolderRabin]: [1:1A:[78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0][178], 3:2A:[81] L57-->$Ultimate##0: Formula: (and (= 2 v_sum2Thread1of1ForFork1_thidvar0_2) (= 2 v_sum2Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{sum2Thread1of1ForFork1_thidvar0=v_sum2Thread1of1ForFork1_thidvar0_2, sum2Thread1of1ForFork1_thidvar1=v_sum2Thread1of1ForFork1_thidvar1_2, sum2Thread1of1ForFork1_y=v_sum2Thread1of1ForFork1_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork1_thidvar0, sum2Thread1of1ForFork1_thidvar1, sum2Thread1of1ForFork1_y][194], 5:3A:[84] L58-->L46: Formula: (and (= 3 v_bankThread1of1ForFork2_thidvar2_2) (= 3 v_bankThread1of1ForFork2_thidvar0_2) (= 3 v_bankThread1of1ForFork2_thidvar1_2)) InVars {} OutVars{bankThread1of1ForFork2_thidvar0=v_bankThread1of1ForFork2_thidvar0_2, bankThread1of1ForFork2_thidvar1=v_bankThread1of1ForFork2_thidvar1_2, bankThread1of1ForFork2_thidvar2=v_bankThread1of1ForFork2_thidvar2_2} AuxVars[] AssignedVars[bankThread1of1ForFork2_thidvar0, bankThread1of1ForFork2_thidvar1, bankThread1of1ForFork2_thidvar2][50]][16:4A:[74] L46-->L48: Formula: (= v_B_1 (store v_B_2 (+ (- 1) v_i1_7) v_sum1_4)) InVars {sum1=v_sum1_4, i1=v_i1_7, B=v_B_2} OutVars{sum1=v_sum1_4, i1=v_i1_7, B=v_B_1} AuxVars[] AssignedVars[B][98], 17:5A:[75] L48-->L46: Formula: (= v_B_3 (store v_B_4 (+ (- 1) v_i2_7) v_sum2_4)) InVars {sum2=v_sum2_4, i2=v_i2_7, B=v_B_4} OutVars{sum2=v_sum2_4, i2=v_i2_7, B=v_B_3} AuxVars[] AssignedVars[B][114]] [2023-10-12 17:37:26,381 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:37:26,381 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2023-10-12 17:37:26,381 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:37:26,382 INFO L72 RabinIsEmpty]: Finished rabinIsEmpty language is not empty [2023-10-12 17:37:26,382 INFO L748 eck$LassoCheckResult]: Stem: 37#[$Ultimate##0]true [78] $Ultimate##0-->$Ultimate##0: Formula: (= v_sum1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sum1Thread1of1ForFork0_x=v_sum1Thread1of1ForFork0_x_2, sum1Thread1of1ForFork0_thidvar0=v_sum1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork0_x, sum1Thread1of1ForFork0_thidvar0] 39#[L57, $Ultimate##0]true [81] L57-->$Ultimate##0: Formula: (and (= 2 v_sum2Thread1of1ForFork1_thidvar0_2) (= 2 v_sum2Thread1of1ForFork1_thidvar1_2)) InVars {} OutVars{sum2Thread1of1ForFork1_thidvar0=v_sum2Thread1of1ForFork1_thidvar0_2, sum2Thread1of1ForFork1_thidvar1=v_sum2Thread1of1ForFork1_thidvar1_2, sum2Thread1of1ForFork1_y=v_sum2Thread1of1ForFork1_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork1_thidvar0, sum2Thread1of1ForFork1_thidvar1, sum2Thread1of1ForFork1_y] 82#[$Ultimate##0, L58, $Ultimate##0]true [84] L58-->L46: Formula: (and (= 3 v_bankThread1of1ForFork2_thidvar2_2) (= 3 v_bankThread1of1ForFork2_thidvar0_2) (= 3 v_bankThread1of1ForFork2_thidvar1_2)) InVars {} OutVars{bankThread1of1ForFork2_thidvar0=v_bankThread1of1ForFork2_thidvar0_2, bankThread1of1ForFork2_thidvar1=v_bankThread1of1ForFork2_thidvar1_2, bankThread1of1ForFork2_thidvar2=v_bankThread1of1ForFork2_thidvar2_2} AuxVars[] AssignedVars[bankThread1of1ForFork2_thidvar0, bankThread1of1ForFork2_thidvar1, bankThread1of1ForFork2_thidvar2] 123#[L59, $Ultimate##0, L46, $Ultimate##0]true [2023-10-12 17:37:26,382 INFO L750 eck$LassoCheckResult]: Loop: 123#[L59, $Ultimate##0, L46, $Ultimate##0]true [74] L46-->L48: Formula: (= v_B_1 (store v_B_2 (+ (- 1) v_i1_7) v_sum1_4)) InVars {sum1=v_sum1_4, i1=v_i1_7, B=v_B_2} OutVars{sum1=v_sum1_4, i1=v_i1_7, B=v_B_1} AuxVars[] AssignedVars[B] 126#[L59, $Ultimate##0, L48, $Ultimate##0]true [75] L48-->L46: Formula: (= v_B_3 (store v_B_4 (+ (- 1) v_i2_7) v_sum2_4)) InVars {sum2=v_sum2_4, i2=v_i2_7, B=v_B_4} OutVars{sum2=v_sum2_4, i2=v_i2_7, B=v_B_3} AuxVars[] AssignedVars[B] 123#[L59, $Ultimate##0, L46, $Ultimate##0]true [2023-10-12 17:37:26,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:26,383 INFO L85 PathProgramCache]: Analyzing trace with hash 107344, now seen corresponding path program 1 times [2023-10-12 17:37:26,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:26,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032296466] [2023-10-12 17:37:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:26,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:26,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:26,392 INFO L85 PathProgramCache]: Analyzing trace with hash 3330, now seen corresponding path program 1 times [2023-10-12 17:37:26,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:26,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797171470] [2023-10-12 17:37:26,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:26,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:26,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:37:26,403 INFO L85 PathProgramCache]: Analyzing trace with hash 103159953, now seen corresponding path program 1 times [2023-10-12 17:37:26,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:37:26,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020984360] [2023-10-12 17:37:26,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:37:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:37:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:37:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:37:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:37:26,543 INFO L201 PluginConnector]: Adding new model sumsumbank.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:37:26 BoogieIcfgContainer [2023-10-12 17:37:26,544 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:37:26,545 INFO L158 Benchmark]: Toolchain (without parser) took 2112.64ms. Allocated memory was 175.1MB in the beginning and 245.4MB in the end (delta: 70.3MB). Free memory was 128.5MB in the beginning and 151.8MB in the end (delta: -23.3MB). Peak memory consumption was 46.8MB. Max. memory is 8.0GB. [2023-10-12 17:37:26,545 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 175.1MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:37:26,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.98ms. Allocated memory is still 175.1MB. Free memory was 128.3MB in the beginning and 126.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:37:26,547 INFO L158 Benchmark]: Boogie Preprocessor took 18.51ms. Allocated memory is still 175.1MB. Free memory was 126.7MB in the beginning and 125.8MB in the end (delta: 986.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:37:26,548 INFO L158 Benchmark]: RCFGBuilder took 274.23ms. Allocated memory is still 175.1MB. Free memory was 125.7MB in the beginning and 115.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:37:26,548 INFO L158 Benchmark]: BuchiAutomizer took 1786.47ms. Allocated memory was 175.1MB in the beginning and 245.4MB in the end (delta: 70.3MB). Free memory was 115.7MB in the beginning and 151.8MB in the end (delta: -36.1MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2023-10-12 17:37:26,550 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 0.27ms. Allocated memory is still 175.1MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.98ms. Allocated memory is still 175.1MB. Free memory was 128.3MB in the beginning and 126.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.51ms. Allocated memory is still 175.1MB. Free memory was 126.7MB in the beginning and 125.8MB in the end (delta: 986.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 274.23ms. Allocated memory is still 175.1MB. Free memory was 125.7MB in the beginning and 115.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 1786.47ms. Allocated memory was 175.1MB in the beginning and 245.4MB in the end (delta: 70.3MB). Free memory was 115.7MB in the beginning and 151.8MB in the end (delta: -36.1MB). Peak memory consumption was 34.2MB. 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) and one nonterminating remainder module.One deterministic module has affine ranking function N + -1 * i1 and consists of 3 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 3 locations. The remainder module has 1968 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.1s. 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, 130 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 78 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp80 ukn91 mio100 lsp57 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf100 smp100 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 46]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] FORK 0 fork 1 sum1(); [L58] FORK 0 fork 2, 2 sum2(); [L59] FORK 0 fork 3, 3, 3 bank(); Loop: [L47] B[i1 - 1] := sum1; [L48] B[i2 - 1] := sum2; End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 46]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] FORK 0 fork 1 sum1(); [L58] FORK 0 fork 2, 2 sum2(); [L59] FORK 0 fork 3, 3, 3 bank(); Loop: [L47] B[i1 - 1] := sum1; [L48] B[i2 - 1] := sum2; End of lasso representation. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 30 PlacesBefore, 25 PlacesAfterwards, 23 TransitionsBefore, 18 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 142, independent: 130, independent conditional: 0, independent unconditional: 130, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 109, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 109, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 142, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 109, unknown conditional: 0, unknown unconditional: 109] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be incorrect! [2023-10-12 17:37:26,565 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 17:37:26,764 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 17:37:26,966 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...