/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:21:20,837 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:21:20,905 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 17:21:20,921 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:21:20,922 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:21:20,922 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:21:20,923 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:21:20,923 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:21:20,923 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:21:20,924 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:21:20,924 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:21:20,924 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:21:20,925 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:21:20,925 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:21:20,925 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:21:20,925 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:21:20,926 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:21:20,926 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:21:20,926 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:21:20,926 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:21:20,927 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:21:20,927 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:21:20,927 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:21:20,928 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:21:20,928 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:21:20,928 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:21:20,929 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:21:20,929 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:21:20,929 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:21:20,929 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:21:20,930 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:21:20,930 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:21:20,930 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:21:21,101 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:21:21,101 INFO L137 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:21:21,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:21:21,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:21:21,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:21:21,289 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:21:21,289 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:21:21,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2023-10-12 17:21:21,291 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2023-10-12 17:21:21,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:21:21,316 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:21:21,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:21,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:21:21,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:21:21,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,340 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:21:21,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:21,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:21:21,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:21:21,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:21:21,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:21:21,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:21:21,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:21:21,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:21:21,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/1) ... [2023-10-12 17:21:21,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:21,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:21,406 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 17:21:21,408 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 17:21:21,435 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2023-10-12 17:21:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2023-10-12 17:21:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2023-10-12 17:21:21,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2023-10-12 17:21:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2023-10-12 17:21:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2023-10-12 17:21:21,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2023-10-12 17:21:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2023-10-12 17:21:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2023-10-12 17:21:21,441 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:21:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:21:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:21:21,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2023-10-12 17:21:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2023-10-12 17:21:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2023-10-12 17:21:21,443 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 17:21:21,485 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:21:21,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:21:21,594 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:21:21,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:21:21,599 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:21:21,601 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:21 BoogieIcfgContainer [2023-10-12 17:21:21,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:21:21,602 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:21:21,602 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:21:21,605 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:21:21,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:21,605 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:21" (1/2) ... [2023-10-12 17:21:21,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@223b1ecd and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:21:21, skipping insertion in model container [2023-10-12 17:21:21,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:21,607 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:21" (2/2) ... [2023-10-12 17:21:21,608 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2023-10-12 17:21:21,653 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:21:21,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 106 flow [2023-10-12 17:21:21,695 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2023-10-12 17:21:21,695 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:21:21,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:21:21,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 106 flow [2023-10-12 17:21:21,702 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2023-10-12 17:21:21,705 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:21:21,733 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 82 flow [2023-10-12 17:21:21,735 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 82 flow [2023-10-12 17:21:21,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 82 flow [2023-10-12 17:21:21,743 INFO L124 PetriNetUnfolderBase]: 3/32 cut-off events. [2023-10-12 17:21:21,743 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:21:21,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2023-10-12 17:21:21,744 INFO L119 LiptonReduction]: Number of co-enabled transitions 550 [2023-10-12 17:21:21,945 INFO L134 LiptonReduction]: Checked pairs total: 693 [2023-10-12 17:21:21,945 INFO L136 LiptonReduction]: Total number of compositions: 9 [2023-10-12 17:21:21,955 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:21:21,955 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:21:21,955 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:21:21,955 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:21:21,955 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:21:21,955 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:21:21,955 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:21:21,956 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:21:21,956 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 places, 23 transitions, 64 flow [2023-10-12 17:21:21,961 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:21,961 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2023-10-12 17:21:21,961 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:21:21,961 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:21,964 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:21:21,964 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 places, 23 transitions, 64 flow [2023-10-12 17:21:21,966 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:21,966 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2023-10-12 17:21:21,966 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-10-12 17:21:21,966 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:21,975 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [76] $Ultimate##0-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 56#[$Ultimate##0, L69, L22]true [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 58#[L23-1, $Ultimate##0, L69]true [2023-10-12 17:21:21,976 INFO L750 eck$LassoCheckResult]: Loop: 58#[L23-1, $Ultimate##0, L69]true [116] L23-1-->L25: Formula: (and (< v_i1_15 v_N_13) (= (+ (let ((.cse0 (select v_A_9 v_i1_15))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum1_13) v_sum1_12)) InVars {sum1=v_sum1_13, A=v_A_9, N=v_N_13, i1=v_i1_15} OutVars{sum1=v_sum1_12, A=v_A_9, N=v_N_13, i1=v_i1_15} AuxVars[] AssignedVars[sum1] 61#[L25, $Ultimate##0, L69]true [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 58#[L23-1, $Ultimate##0, L69]true [2023-10-12 17:21:21,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:21,983 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2023-10-12 17:21:21,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:21,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220959009] [2023-10-12 17:21:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:21,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:22,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:22,117 INFO L85 PathProgramCache]: Analyzing trace with hash 4639, now seen corresponding path program 1 times [2023-10-12 17:21:22,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:22,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256643837] [2023-10-12 17:21:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:22,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:22,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash -417531389, now seen corresponding path program 1 times [2023-10-12 17:21:22,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:22,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643276467] [2023-10-12 17:21:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:22,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:22,291 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:22,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:22,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:22,292 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:22,292 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:22,292 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:22,292 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:22,292 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:22,292 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:21:22,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:22,293 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:22,305 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 17:21:22,312 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 17:21:22,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:22,354 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 17:21:22,356 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 17:21:22,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:22,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:22,456 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 17:21:22,461 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 17:21:22,461 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 17:21:22,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:22,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:22,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:22,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:22,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:22,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:22,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:22,494 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 17:21:22,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:22,496 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 17:21:22,498 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 17:21:22,499 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 17:21:22,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:22,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:22,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:22,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:22,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:22,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:22,526 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:22,532 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-10-12 17:21:22,532 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-10-12 17:21:22,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:22,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:22,571 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 17:21:22,599 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 17:21:22,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:22,627 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:22,627 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:22,628 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, N) = -1*i1 + 1*N Supporting invariants [] [2023-10-12 17:21:22,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-10-12 17:21:22,636 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:21:22,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:22,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:22,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:22,690 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:21:22,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:22,704 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 17:21:22,728 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:21:22,729 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:21:22,910 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 435 transitions. [2023-10-12 17:21:22,911 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:22,915 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:21:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2023-10-12 17:21:22,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:21:22,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:22,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:21:22,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:22,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:21:22,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:22,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 404 transitions, 1940 flow [2023-10-12 17:21:23,064 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 17:21:23,162 INFO L124 PetriNetUnfolderBase]: 3235/4310 cut-off events. [2023-10-12 17:21:23,162 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2023-10-12 17:21:23,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9290 conditions, 4310 events. 3235/4310 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 17925 event pairs, 78 based on Foata normal form. 0/2992 useless extension candidates. Maximal degree in co-relation 9280. Up to 1025 conditions per place. [2023-10-12 17:21:23,169 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 49 places, 404 transitions, 1940 flow [2023-10-12 17:21:23,174 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 49 places, 404 transitions, 1940 flow [2023-10-12 17:21:23,174 INFO L430 stractBuchiCegarLoop]: Abstraction has has 49 places, 404 transitions, 1940 flow [2023-10-12 17:21:23,174 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:21:23,174 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 49 places, 404 transitions, 1940 flow [2023-10-12 17:21:23,186 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:23,187 INFO L124 PetriNetUnfolderBase]: 160/235 cut-off events. [2023-10-12 17:21:23,187 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2023-10-12 17:21:23,187 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:23,187 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 125#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]true [83] $Ultimate##0-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 127#[$Ultimate##0, $Ultimate##0, L34, L70]true [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 129#[$Ultimate##0, L35-1, $Ultimate##0, L70]true [2023-10-12 17:21:23,187 INFO L750 eck$LassoCheckResult]: Loop: 129#[$Ultimate##0, L35-1, $Ultimate##0, L70]true [118] L35-1-->L37: Formula: (and (< v_i2_23 v_N_17) (= (+ (let ((.cse0 (select v_A_17 v_i2_23))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_23) v_sum2_22)) InVars {A=v_A_17, sum2=v_sum2_23, N=v_N_17, i2=v_i2_23} OutVars{A=v_A_17, sum2=v_sum2_22, N=v_N_17, i2=v_i2_23} AuxVars[] AssignedVars[sum2] 132#[$Ultimate##0, L37, $Ultimate##0, L70]true [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 129#[$Ultimate##0, L35-1, $Ultimate##0, L70]true [2023-10-12 17:21:23,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 125108520, now seen corresponding path program 1 times [2023-10-12 17:21:23,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:23,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695693533] [2023-10-12 17:21:23,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:23,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:23,195 INFO L85 PathProgramCache]: Analyzing trace with hash 4708, now seen corresponding path program 1 times [2023-10-12 17:21:23,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:23,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865211667] [2023-10-12 17:21:23,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:23,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:23,202 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:23,202 INFO L85 PathProgramCache]: Analyzing trace with hash -29792821, now seen corresponding path program 1 times [2023-10-12 17:21:23,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:23,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111602857] [2023-10-12 17:21:23,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:23,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:23,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:23,288 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:23,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:23,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:23,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:23,289 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:23,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:23,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:23,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:21:23,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:23,289 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:23,292 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 17:21:23,294 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 17:21:23,296 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 17:21:23,298 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 17:21:23,300 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 17:21:23,301 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 17:21:23,325 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 17:21:23,328 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 17:21:23,331 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 17:21:23,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:23,426 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:23,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,427 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 17:21:23,435 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 17:21:23,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:23,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:23,451 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 17:21:23,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:23,471 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 17:21:23,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,472 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 17:21:23,474 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 17:21:23,476 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 17:21:23,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:23,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:23,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:23,510 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 17:21:23,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,511 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 17:21:23,514 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 17:21:23,515 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 17:21:23,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:23,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:23,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:23,556 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 17:21:23,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,558 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 17:21:23,560 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 17:21:23,562 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 17:21:23,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:23,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:23,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:23,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:23,601 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 17:21:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,603 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 17:21:23,605 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 17:21:23,607 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 17:21:23,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:23,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:23,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:23,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:23,635 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 17:21:23,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,638 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 17:21:23,668 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 17:21:23,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:23,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:23,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:23,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:23,675 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 17:21:23,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:23,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:23,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:23,696 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-10-12 17:21:23,696 INFO L444 ModelExtractionUtils]: 7 out of 10 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-10-12 17:21:23,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:23,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:23,697 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 17:21:23,699 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 17:21:23,701 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:23,722 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:23,722 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:23,722 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i2) = 1*N - 1*i2 Supporting invariants [] [2023-10-12 17:21:23,726 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 17:21:23,727 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:21:23,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:23,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:23,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:23,757 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:21:23,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:23,770 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 17:21:23,770 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:21:23,770 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 17:21:23,876 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 435 transitions. [2023-10-12 17:21:23,876 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:23,901 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:23,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 17:21:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2023-10-12 17:21:23,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:21:23,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:23,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:21:23,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:23,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 242 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:21:23,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:23,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 7092 transitions, 48384 flow [2023-10-12 17:21:24,176 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 17:21:25,209 INFO L124 PetriNetUnfolderBase]: 9229/11957 cut-off events. [2023-10-12 17:21:25,209 INFO L125 PetriNetUnfolderBase]: For 1276/1276 co-relation queries the response was YES. [2023-10-12 17:21:25,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37614 conditions, 11957 events. 9229/11957 cut-off events. For 1276/1276 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 52936 event pairs, 36 based on Foata normal form. 0/7176 useless extension candidates. Maximal degree in co-relation 37602. Up to 3081 conditions per place. [2023-10-12 17:21:25,221 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 65 places, 7092 transitions, 48384 flow [2023-10-12 17:21:25,291 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 65 places, 7092 transitions, 48384 flow [2023-10-12 17:21:25,291 INFO L430 stractBuchiCegarLoop]: Abstraction has has 65 places, 7092 transitions, 48384 flow [2023-10-12 17:21:25,292 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:21:25,292 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 places, 7092 transitions, 48384 flow [2023-10-12 17:21:25,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:25,333 INFO L124 PetriNetUnfolderBase]: 193/281 cut-off events. [2023-10-12 17:21:25,333 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-10-12 17:21:25,334 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:25,334 INFO L748 eck$LassoCheckResult]: Stem: 50#[$Ultimate##0]true [101] $Ultimate##0-->$Ultimate##0: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[$Ultimate##0, L68]true [104] L68-->$Ultimate##0: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[$Ultimate##0, $Ultimate##0, L69]true [107] L69-->$Ultimate##0: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 125#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L70]true [110] L70-->$Ultimate##0: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 192#[$Ultimate##0, $Ultimate##0, L71, $Ultimate##0, $Ultimate##0]true [93] $Ultimate##0-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 194#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [2023-10-12 17:21:25,334 INFO L750 eck$LassoCheckResult]: Loop: 194#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [121] L57-1-->L57-1: Formula: (and (= v_mapAbsThread1of1ForFork3_j_25 (+ v_mapAbsThread1of1ForFork3_j_26 1)) (< v_mapAbsThread1of1ForFork3_j_26 v_N_23) (= (store v_A_28 v_mapAbsThread1of1ForFork3_j_26 (let ((.cse0 (select v_A_28 v_mapAbsThread1of1ForFork3_j_26))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_27)) InVars {A=v_A_28, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_26} OutVars{A=v_A_27, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_25} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 194#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [121] L57-1-->L57-1: Formula: (and (= v_mapAbsThread1of1ForFork3_j_25 (+ v_mapAbsThread1of1ForFork3_j_26 1)) (< v_mapAbsThread1of1ForFork3_j_26 v_N_23) (= (store v_A_28 v_mapAbsThread1of1ForFork3_j_26 (let ((.cse0 (select v_A_28 v_mapAbsThread1of1ForFork3_j_26))) (ite (< .cse0 0) (- .cse0) .cse0))) v_A_27)) InVars {A=v_A_28, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_26} OutVars{A=v_A_27, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_25} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 194#[$Ultimate##0, L57-1, $Ultimate##0, L71, $Ultimate##0]true [2023-10-12 17:21:25,334 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,335 INFO L85 PathProgramCache]: Analyzing trace with hash 125109366, now seen corresponding path program 1 times [2023-10-12 17:21:25,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559461081] [2023-10-12 17:21:25,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,356 INFO L85 PathProgramCache]: Analyzing trace with hash 4833, now seen corresponding path program 1 times [2023-10-12 17:21:25,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740189258] [2023-10-12 17:21:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -28979690, now seen corresponding path program 1 times [2023-10-12 17:21:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:25,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283983429] [2023-10-12 17:21:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:25,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:25,560 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:25,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:25,560 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:25,560 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:25,560 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:25,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:25,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:25,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:21:25,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:25,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:25,566 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 17:21:25,568 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 17:21:25,571 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 17:21:25,635 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 17:21:25,637 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 17:21:25,639 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 17:21:25,641 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 17:21:25,643 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 17:21:25,646 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 17:21:25,648 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 17:21:25,650 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 17:21:25,652 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 17:21:25,654 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 17:21:25,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:25,726 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:25,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,727 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 17:21:25,757 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 17:21:25,758 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 17:21:25,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:25,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:25,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:25,809 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 17:21:25,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,811 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:21:25,815 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 17:21:25,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:25,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:25,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:25,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:25,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,865 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:21:25,870 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 17:21:25,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:25,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:25,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:25,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:25,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:25,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:21:25,904 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 17:21:25,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:25,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:25,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:25,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:25,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:25,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:25,929 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:25,936 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:21:25,936 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:21:25,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:25,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:25,949 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:21:25,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:21:25,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:25,974 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:21:25,975 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:25,975 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mapAbsThread1of1ForFork3_j, N) = -1*mapAbsThread1of1ForFork3_j + 1*N Supporting invariants [] [2023-10-12 17:21:25,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-10-12 17:21:25,996 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:21:26,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:26,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:26,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:26,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:21:26,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:21:26,034 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-10-12 17:21:26,034 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 17:21:26,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:26,178 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 381 transitions. [2023-10-12 17:21:26,178 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:26,798 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 17:21:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 190 transitions. [2023-10-12 17:21:26,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 190 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:21:26,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 190 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:21:26,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 190 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:21:26,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:26,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 107640 transitions, 948600 flow [2023-10-12 17:22:38,004 INFO L124 PetriNetUnfolderBase]: 26499/33840 cut-off events. [2023-10-12 17:22:38,005 INFO L125 PetriNetUnfolderBase]: For 3329/3329 co-relation queries the response was YES. [2023-10-12 17:22:38,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138354 conditions, 33840 events. 26499/33840 cut-off events. For 3329/3329 co-relation queries the response was YES. Maximal size of possible extension queue 1588. Compared 164719 event pairs, 62 based on Foata normal form. 0/18951 useless extension candidates. Maximal degree in co-relation 138340. Up to 10220 conditions per place. [2023-10-12 17:22:38,044 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 79 places, 107640 transitions, 948600 flow [2023-10-12 17:22:39,018 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 79 places, 107640 transitions, 948600 flow [2023-10-12 17:22:39,018 INFO L430 stractBuchiCegarLoop]: Abstraction has has 79 places, 107640 transitions, 948600 flow [2023-10-12 17:22:39,018 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:22:39,018 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 places, 107640 transitions, 948600 flow [2023-10-12 17:24:22,468 INFO L124 PetriNetUnfolderBase]: 26499/33840 cut-off events. [2023-10-12 17:24:22,468 INFO L125 PetriNetUnfolderBase]: For 3329/3329 co-relation queries the response was YES. [2023-10-12 17:24:22,468 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:24:22,473 INFO L201 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:24:22 BoogieIcfgContainer [2023-10-12 17:24:22,473 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:24:22,473 INFO L158 Benchmark]: Toolchain (without parser) took 181157.50ms. Allocated memory was 168.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 122.6MB in the beginning and 859.3MB in the end (delta: -736.6MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-10-12 17:24:22,473 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 168.8MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:24:22,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.70ms. Allocated memory is still 168.8MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,474 INFO L158 Benchmark]: Boogie Preprocessor took 18.05ms. Allocated memory is still 168.8MB. Free memory was 120.8MB in the beginning and 119.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,474 INFO L158 Benchmark]: RCFGBuilder took 239.64ms. Allocated memory is still 168.8MB. Free memory was 119.8MB in the beginning and 110.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:24:22,474 INFO L158 Benchmark]: BuchiAutomizer took 180870.60ms. Allocated memory was 168.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 109.8MB in the beginning and 859.3MB in the end (delta: -749.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-10-12 17:24:22,476 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25ms. Allocated memory is still 168.8MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.70ms. Allocated memory is still 168.8MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.05ms. Allocated memory is still 168.8MB. Free memory was 120.8MB in the beginning and 119.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.64ms. Allocated memory is still 168.8MB. Free memory was 119.8MB in the beginning and 110.0MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 180870.60ms. Allocated memory was 168.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 109.8MB in the beginning and 859.3MB in the end (delta: -749.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 5 locations. One deterministic module has affine ranking function N + -1 * j and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 180.8s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.8s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 473 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 219 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 254 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital107 mio100 ax100 hnf100 lsp325 ukn33 mio100 lsp70 div100 bol100 ite100 ukn100 eq172 hnf98 smp100 dnf145 smp70 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms 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: 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: 0.2s, 42 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 23 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 693 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 513, independent: 484, independent conditional: 0, independent unconditional: 484, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 303, independent: 284, independent conditional: 0, independent unconditional: 284, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 513, independent: 195, independent conditional: 0, independent unconditional: 195, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 303, unknown conditional: 0, unknown unconditional: 303] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 98, Positive conditional cache size: 0, Positive unconditional cache size: 98, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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 17:24:22,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...