/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/map-aggr-update1-4modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:18:22,771 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:18:22,817 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 17:18:22,838 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:18:22,838 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:18:22,839 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:18:22,840 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:18:22,840 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:18:22,840 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:18:22,841 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:18:22,841 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:18:22,841 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:18:22,842 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:18:22,842 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:18:22,842 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:18:22,842 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:18:22,843 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:18:22,843 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:18:22,843 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:18:22,844 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:18:22,844 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:18:22,844 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:18:22,845 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:18:22,845 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:18:22,845 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:18:22,845 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:18:22,846 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:18:22,846 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:18:22,846 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:18:22,847 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:18:22,847 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:18:22,847 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:18:22,847 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:18:22,848 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:18:22,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:18:23,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:18:23,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:18:23,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:18:23,050 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:18:23,050 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:18:23,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl [2023-10-12 17:18:23,052 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-4modifiers.bpl' [2023-10-12 17:18:23,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:18:23,090 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:18:23,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:23,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:18:23,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:18:23,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,117 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:18:23,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:23,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:18:23,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:18:23,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:18:23,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:18:23,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:18:23,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:18:23,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:18:23,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/1) ... [2023-10-12 17:18:23,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:23,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:23,178 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 17:18:23,205 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 17:18:23,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:18:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:18:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:18:23,225 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:18:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:18:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:18:23,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:18:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:18:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:18:23,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:18:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:18:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:18:23,228 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 17:18:23,272 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:18:23,273 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:18:23,377 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:18:23,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:18:23,384 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:18:23,385 INFO L201 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:23 BoogieIcfgContainer [2023-10-12 17:18:23,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:18:23,386 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:18:23,387 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:18:23,390 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:18:23,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:23,390 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:23" (1/2) ... [2023-10-12 17:18:23,391 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ce3161d and model type map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:18:23, skipping insertion in model container [2023-10-12 17:18:23,392 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:23,392 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:23" (2/2) ... [2023-10-12 17:18:23,393 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1-4modifiers.bpl [2023-10-12 17:18:23,484 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-10-12 17:18:23,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 70 transitions, 188 flow [2023-10-12 17:18:23,545 INFO L124 PetriNetUnfolderBase]: 8/58 cut-off events. [2023-10-12 17:18:23,545 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:18:23,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-10-12 17:18:23,552 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 70 transitions, 188 flow [2023-10-12 17:18:23,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 58 transitions, 152 flow [2023-10-12 17:18:23,560 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:18:23,573 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 58 transitions, 152 flow [2023-10-12 17:18:23,576 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 58 transitions, 152 flow [2023-10-12 17:18:23,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 69 places, 58 transitions, 152 flow [2023-10-12 17:18:23,591 INFO L124 PetriNetUnfolderBase]: 8/58 cut-off events. [2023-10-12 17:18:23,591 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-10-12 17:18:23,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 58 events. 8/58 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 166 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-10-12 17:18:23,594 INFO L119 LiptonReduction]: Number of co-enabled transitions 1860 [2023-10-12 17:18:24,302 INFO L134 LiptonReduction]: Checked pairs total: 1643 [2023-10-12 17:18:24,303 INFO L136 LiptonReduction]: Total number of compositions: 27 [2023-10-12 17:18:24,316 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:18:24,316 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:18:24,317 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:18:24,317 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:18:24,317 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:18:24,317 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:18:24,317 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:18:24,317 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:18:24,319 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 places, 33 transitions, 102 flow [2023-10-12 17:18:24,327 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:24,327 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:24,328 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:24,329 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:24,333 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:18:24,333 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 46 places, 33 transitions, 102 flow [2023-10-12 17:18:24,337 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:24,337 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:24,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:24,337 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:24,342 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, $Ultimate##0]true [100] $Ultimate##0-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]true [2023-10-12 17:18:24,342 INFO L750 eck$LassoCheckResult]: Loop: 85#[L57-1, L34-1]true [187] L57-1-->L57-1: Formula: (and (= v_thread1Thread1of1ForFork3_i_23 (+ v_thread1Thread1of1ForFork3_i_24 1)) (< v_thread1Thread1of1ForFork3_i_24 v_N_54) (= (store v_A_26 v_thread1Thread1of1ForFork3_i_24 (let ((.cse0 (select v_A_26 v_thread1Thread1of1ForFork3_i_24))) (ite (< .cse0 0) 0 .cse0))) v_A_25)) InVars {A=v_A_26, N=v_N_54, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_24} OutVars{A=v_A_25, N=v_N_54, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_23} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork3_i] 85#[L57-1, L34-1]true [2023-10-12 17:18:24,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:24,350 INFO L85 PathProgramCache]: Analyzing trace with hash 124968, now seen corresponding path program 1 times [2023-10-12 17:18:24,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:24,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452560828] [2023-10-12 17:18:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:24,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:24,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:24,469 INFO L85 PathProgramCache]: Analyzing trace with hash 218, now seen corresponding path program 1 times [2023-10-12 17:18:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752483813] [2023-10-12 17:18:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:24,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:24,515 INFO L85 PathProgramCache]: Analyzing trace with hash 3874195, now seen corresponding path program 1 times [2023-10-12 17:18:24,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:24,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139829714] [2023-10-12 17:18:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:24,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:24,643 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:24,644 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:24,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:24,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:24,645 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:24,645 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:24,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:24,645 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:24,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:18:24,645 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:24,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:24,661 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 17:18:24,691 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 17:18:24,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:24,734 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:24,741 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 17:18:24,748 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 17:18:24,753 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 17:18:24,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:24,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:24,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:24,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:24,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:24,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:24,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:24,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:24,781 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 17:18:24,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:24,942 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 17:18:24,944 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 17:18:24,946 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 17:18:24,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:24,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:24,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:24,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:24,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:24,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:24,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:25,001 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-10-12 17:18:25,001 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:18:25,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:25,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:25,039 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 17:18:25,045 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:25,061 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 17:18:25,070 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:25,070 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:25,071 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork3_i, N) = -1*thread1Thread1of1ForFork3_i + 1*N Supporting invariants [] [2023-10-12 17:18:25,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-10-12 17:18:25,080 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:18:25,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:25,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:25,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:25,129 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:25,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:25,130 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 17:18:25,165 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:18:25,166 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:25,377 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5 states and 576 transitions. [2023-10-12 17:18:25,378 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:25,382 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:18:25,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-10-12 17:18:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 287 transitions. [2023-10-12 17:18:25,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:18:25,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:25,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:18:25,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:25,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 287 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:18:25,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:25,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 384 transitions, 1956 flow [2023-10-12 17:18:27,467 INFO L124 PetriNetUnfolderBase]: 26746/31471 cut-off events. [2023-10-12 17:18:27,467 INFO L125 PetriNetUnfolderBase]: For 2369/2369 co-relation queries the response was YES. [2023-10-12 17:18:27,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66916 conditions, 31471 events. 26746/31471 cut-off events. For 2369/2369 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 108285 event pairs, 380 based on Foata normal form. 0/19029 useless extension candidates. Maximal degree in co-relation 63125. Up to 10133 conditions per place. [2023-10-12 17:18:27,561 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 56 places, 384 transitions, 1956 flow [2023-10-12 17:18:27,565 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 56 places, 384 transitions, 1956 flow [2023-10-12 17:18:27,566 INFO L430 stractBuchiCegarLoop]: Abstraction has has 56 places, 384 transitions, 1956 flow [2023-10-12 17:18:27,566 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:18:27,566 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 places, 384 transitions, 1956 flow [2023-10-12 17:18:27,573 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:27,573 INFO L124 PetriNetUnfolderBase]: 44/67 cut-off events. [2023-10-12 17:18:27,573 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-10-12 17:18:27,573 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:27,574 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, $Ultimate##0]true [156] L34-1-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 134#[$Ultimate##0, L35, $Ultimate##0]true [100] $Ultimate##0-->L57-1: Formula: (= v_thread1Thread1of1ForFork3_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_i] 136#[L57-1, $Ultimate##0, L35]true [178] $Ultimate##0-->L71-1: Formula: (and (= v_thread2Thread1of1ForFork4_cnt_19 0) (= v_thread2Thread1of1ForFork4_j_35 0)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_19, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_35} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L57-1, L71-1, L35]true [192] L71-1-->L71-1: Formula: (and (let ((.cse0 (< v_thread2Thread1of1ForFork4_j_64 v_N_62)) (.cse1 (select v_A_39 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse0 (<= .cse1 0) (= v_thread2Thread1of1ForFork4_cnt_47 v_thread2Thread1of1ForFork4_cnt_46)) (and .cse0 (< 0 .cse1) (= (+ v_thread2Thread1of1ForFork4_cnt_47 1) v_thread2Thread1of1ForFork4_cnt_46)))) (let ((.cse2 (= v_thread2Thread1of1ForFork4_j_63 (+ v_thread2Thread1of1ForFork4_j_64 1))) (.cse3 (select v_B_125 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse2 (<= .cse3 0) (= v_thread2Thread1of1ForFork4_cnt_46 v_thread2Thread1of1ForFork4_cnt_45)) (and .cse2 (< 0 .cse3) (= (+ v_thread2Thread1of1ForFork4_cnt_46 1) v_thread2Thread1of1ForFork4_cnt_45))))) InVars {A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_47, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_64, B=v_B_125} OutVars{A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_45, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_63, B=v_B_125} AuxVars[v_thread2Thread1of1ForFork4_cnt_46] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L57-1, L71-1, L35]true [2023-10-12 17:18:27,574 INFO L750 eck$LassoCheckResult]: Loop: 138#[L57-1, L71-1, L35]true [192] L71-1-->L71-1: Formula: (and (let ((.cse0 (< v_thread2Thread1of1ForFork4_j_64 v_N_62)) (.cse1 (select v_A_39 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse0 (<= .cse1 0) (= v_thread2Thread1of1ForFork4_cnt_47 v_thread2Thread1of1ForFork4_cnt_46)) (and .cse0 (< 0 .cse1) (= (+ v_thread2Thread1of1ForFork4_cnt_47 1) v_thread2Thread1of1ForFork4_cnt_46)))) (let ((.cse2 (= v_thread2Thread1of1ForFork4_j_63 (+ v_thread2Thread1of1ForFork4_j_64 1))) (.cse3 (select v_B_125 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse2 (<= .cse3 0) (= v_thread2Thread1of1ForFork4_cnt_46 v_thread2Thread1of1ForFork4_cnt_45)) (and .cse2 (< 0 .cse3) (= (+ v_thread2Thread1of1ForFork4_cnt_46 1) v_thread2Thread1of1ForFork4_cnt_45))))) InVars {A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_47, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_64, B=v_B_125} OutVars{A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_45, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_63, B=v_B_125} AuxVars[v_thread2Thread1of1ForFork4_cnt_46] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L57-1, L71-1, L35]true [192] L71-1-->L71-1: Formula: (and (let ((.cse0 (< v_thread2Thread1of1ForFork4_j_64 v_N_62)) (.cse1 (select v_A_39 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse0 (<= .cse1 0) (= v_thread2Thread1of1ForFork4_cnt_47 v_thread2Thread1of1ForFork4_cnt_46)) (and .cse0 (< 0 .cse1) (= (+ v_thread2Thread1of1ForFork4_cnt_47 1) v_thread2Thread1of1ForFork4_cnt_46)))) (let ((.cse2 (= v_thread2Thread1of1ForFork4_j_63 (+ v_thread2Thread1of1ForFork4_j_64 1))) (.cse3 (select v_B_125 v_thread2Thread1of1ForFork4_j_64))) (or (and .cse2 (<= .cse3 0) (= v_thread2Thread1of1ForFork4_cnt_46 v_thread2Thread1of1ForFork4_cnt_45)) (and .cse2 (< 0 .cse3) (= (+ v_thread2Thread1of1ForFork4_cnt_46 1) v_thread2Thread1of1ForFork4_cnt_45))))) InVars {A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_47, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_64, B=v_B_125} OutVars{A=v_A_39, N=v_N_62, thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_45, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_63, B=v_B_125} AuxVars[v_thread2Thread1of1ForFork4_cnt_46] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j] 138#[L57-1, L71-1, L35]true [2023-10-12 17:18:27,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:27,575 INFO L85 PathProgramCache]: Analyzing trace with hash -570275502, now seen corresponding path program 1 times [2023-10-12 17:18:27,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:27,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39037134] [2023-10-12 17:18:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:27,595 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:27,595 INFO L85 PathProgramCache]: Analyzing trace with hash 7105, now seen corresponding path program 1 times [2023-10-12 17:18:27,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:27,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727815289] [2023-10-12 17:18:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:27,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:27,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:27,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1721062610, now seen corresponding path program 2 times [2023-10-12 17:18:27,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:27,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537640934] [2023-10-12 17:18:27,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:27,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:27,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:28,676 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:28,676 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:28,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:28,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:28,677 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:28,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:28,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:28,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:28,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:18:28,677 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:28,677 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:28,735 WARN L176 XnfTransformerHelper]: Simplifying conjunction of 7803 disjunctions. This might take some time... [2023-10-12 17:18:31,430 INFO L192 XnfTransformerHelper]: Simplified to conjunction of 6737 disjunctions. [2023-10-12 17:18:31,479 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 17:18:31,483 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 17:18:31,485 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 17:18:43,876 WARN L223 SmtUtils]: Spent 12.25s on a formula simplification. DAG size of input: 739 DAG size of output: 58 (called from [L 269] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2023-10-12 17:18:43,877 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 17:18:43,888 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 17:18:44,187 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 22 [2023-10-12 17:18:45,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:45,617 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:45,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,628 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 17:18:45,629 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 17:18:45,635 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 17:18:45,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:45,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:45,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:45,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:45,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:45,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:45,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:45,667 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 17:18:45,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,669 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 17:18:45,680 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 17:18:45,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:45,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:45,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:45,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:45,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:45,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:45,695 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 17:18:45,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:45,713 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 17:18:45,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,714 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 17:18:45,726 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 17:18:45,726 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 17:18:45,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:45,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:45,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:45,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:45,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:45,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:45,759 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:45,773 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-10-12 17:18:45,773 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-10-12 17:18:45,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,777 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 17:18:45,780 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 17:18:45,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:45,800 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:45,801 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:45,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork4_j, N) = -1*thread2Thread1of1ForFork4_j + 1*N Supporting invariants [] [2023-10-12 17:18:45,807 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 17:18:45,814 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:45,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:45,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:45,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:45,856 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:45,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:45,902 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2023-10-12 17:18:45,937 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 17:18:45,938 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 17:18:45,938 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17:18:46,090 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 5 states and 574 transitions. [2023-10-12 17:18:46,091 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:46,114 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:18:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17:18:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2023-10-12 17:18:46,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:18:46,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:18:46,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 285 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:18:46,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 4464 transitions, 31680 flow [2023-10-12 17:18:46,531 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 17:18:54,501 INFO L124 PetriNetUnfolderBase]: 103864/120831 cut-off events. [2023-10-12 17:18:54,502 INFO L125 PetriNetUnfolderBase]: For 10841/10841 co-relation queries the response was YES. [2023-10-12 17:18:54,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378085 conditions, 120831 events. 103864/120831 cut-off events. For 10841/10841 co-relation queries the response was YES. Maximal size of possible extension queue 2796. Compared 455229 event pairs, 400 based on Foata normal form. 0/67653 useless extension candidates. Maximal degree in co-relation 358171. Up to 41445 conditions per place. [2023-10-12 17:18:54,792 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 66 places, 4464 transitions, 31680 flow [2023-10-12 17:18:54,842 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 66 places, 4464 transitions, 31680 flow [2023-10-12 17:18:54,842 INFO L430 stractBuchiCegarLoop]: Abstraction has has 66 places, 4464 transitions, 31680 flow [2023-10-12 17:18:54,843 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:18:54,843 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 66 places, 4464 transitions, 31680 flow [2023-10-12 17:18:54,862 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:54,863 INFO L124 PetriNetUnfolderBase]: 55/88 cut-off events. [2023-10-12 17:18:54,863 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-10-12 17:18:54,863 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:54,863 INFO L748 eck$LassoCheckResult]: Stem: 79#[$Ultimate##0]true [94] $Ultimate##0-->L34: Formula: (and (<= 0 v_ULTIMATE.start_m_1) (< v_ULTIMATE.start_m_1 v_N_7)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_7} AuxVars[] AssignedVars[] 81#[L34]true [153] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork3_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork3_thidvar0=v_thread1Thread1of1ForFork3_thidvar0_2, thread1Thread1of1ForFork3_i=v_thread1Thread1of1ForFork3_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork3_thidvar0, thread1Thread1of1ForFork3_i] 83#[L34-1, $Ultimate##0]true [156] L34-1-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork4_thidvar0_2 2) (= v_thread2Thread1of1ForFork4_thidvar1_2 2)) InVars {} OutVars{thread2Thread1of1ForFork4_cnt=v_thread2Thread1of1ForFork4_cnt_12, thread2Thread1of1ForFork4_j=v_thread2Thread1of1ForFork4_j_20, thread2Thread1of1ForFork4_thidvar0=v_thread2Thread1of1ForFork4_thidvar0_2, thread2Thread1of1ForFork4_thidvar1=v_thread2Thread1of1ForFork4_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork4_cnt, thread2Thread1of1ForFork4_j, thread2Thread1of1ForFork4_thidvar0, thread2Thread1of1ForFork4_thidvar1] 134#[$Ultimate##0, L35, $Ultimate##0]true [159] L35-->$Ultimate##0: Formula: (and (= v_thread3Thread1of1ForFork5_thidvar0_2 3) (= v_thread3Thread1of1ForFork5_thidvar2_2 3) (= v_thread3Thread1of1ForFork5_thidvar1_2 3)) InVars {} OutVars{thread3Thread1of1ForFork5_thidvar2=v_thread3Thread1of1ForFork5_thidvar2_2, thread3Thread1of1ForFork5_thidvar1=v_thread3Thread1of1ForFork5_thidvar1_2, thread3Thread1of1ForFork5_thidvar0=v_thread3Thread1of1ForFork5_thidvar0_2, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_thidvar2, thread3Thread1of1ForFork5_thidvar1, thread3Thread1of1ForFork5_thidvar0, thread3Thread1of1ForFork5_k] 201#[$Ultimate##0, $Ultimate##0, L36, $Ultimate##0]true [118] $Ultimate##0-->L89-1: Formula: (= v_thread3Thread1of1ForFork5_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_k] 203#[$Ultimate##0, L36, L89-1, $Ultimate##0]true [2023-10-12 17:18:54,863 INFO L750 eck$LassoCheckResult]: Loop: 203#[$Ultimate##0, L36, L89-1, $Ultimate##0]true [183] L89-1-->L89-1: Formula: (and (= v_thread3Thread1of1ForFork5_k_29 (+ v_thread3Thread1of1ForFork5_k_30 1)) (< v_thread3Thread1of1ForFork5_k_30 v_N_30) (= v_B_71 (store v_B_72 v_thread3Thread1of1ForFork5_k_30 v_thread3Thread1of1ForFork5_k_30))) InVars {N=v_N_30, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_30, B=v_B_72} OutVars{N=v_N_30, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_29, B=v_B_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_k, B] 203#[$Ultimate##0, L36, L89-1, $Ultimate##0]true [183] L89-1-->L89-1: Formula: (and (= v_thread3Thread1of1ForFork5_k_29 (+ v_thread3Thread1of1ForFork5_k_30 1)) (< v_thread3Thread1of1ForFork5_k_30 v_N_30) (= v_B_71 (store v_B_72 v_thread3Thread1of1ForFork5_k_30 v_thread3Thread1of1ForFork5_k_30))) InVars {N=v_N_30, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_30, B=v_B_72} OutVars{N=v_N_30, thread3Thread1of1ForFork5_k=v_thread3Thread1of1ForFork5_k_29, B=v_B_71} AuxVars[] AssignedVars[thread3Thread1of1ForFork5_k, B] 203#[$Ultimate##0, L36, L89-1, $Ultimate##0]true [2023-10-12 17:18:54,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:54,864 INFO L85 PathProgramCache]: Analyzing trace with hash 120153111, now seen corresponding path program 1 times [2023-10-12 17:18:54,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:54,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895109495] [2023-10-12 17:18:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:54,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:54,874 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:54,874 INFO L85 PathProgramCache]: Analyzing trace with hash 6817, now seen corresponding path program 1 times [2023-10-12 17:18:54,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:54,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395369283] [2023-10-12 17:18:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:54,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:54,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:54,897 INFO L85 PathProgramCache]: Analyzing trace with hash -496971465, now seen corresponding path program 1 times [2023-10-12 17:18:54,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:54,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864837469] [2023-10-12 17:18:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:54,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:54,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:55,003 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:55,003 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:55,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:55,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:55,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:55,004 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,004 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:55,004 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:55,004 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1-4modifiers.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:18:55,004 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:55,004 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:55,006 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 17:18:55,009 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 17:18:55,012 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 17:18:55,029 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 17:18:55,032 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 17:18:55,034 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 17:18:55,037 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 17:18:55,038 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 17:18:55,041 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 17:18:55,043 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 17:18:55,131 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:55,132 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:55,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:55,133 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 17:18:55,137 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 17:18:55,138 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 17:18:55,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:55,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:55,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:55,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:55,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:55,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:55,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:55,153 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 17:18:55,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:55,154 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 17:18:55,157 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 17:18:55,160 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 17:18:55,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:55,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:55,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:55,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:55,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:55,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:55,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:55,193 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 17:18:55,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:55,195 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 17:18:55,203 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 17:18:55,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:55,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:55,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:55,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:55,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:55,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:55,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:55,213 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 17:18:55,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:55,224 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 17:18:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:55,225 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 17:18:55,226 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 17:18:55,228 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 17:18:55,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:55,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:55,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:55,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:55,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:55,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:55,244 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:55,253 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-10-12 17:18:55,253 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:18:55,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:55,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:55,254 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 17:18:55,258 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 17:18:55,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:55,266 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:55,266 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:55,266 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, thread3Thread1of1ForFork5_k) = 1*N - 1*thread3Thread1of1ForFork5_k Supporting invariants [] [2023-10-12 17:18:55,271 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 17:18:55,274 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:55,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:55,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:55,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:55,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:55,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:55,318 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 17:18:55,319 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 17:18:55,319 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 17:18:55,570 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 766 transitions. [2023-10-12 17:18:55,570 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:55,895 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 17:18:56,180 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:56,180 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 17:18:56,181 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 17:18:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 382 transitions. [2023-10-12 17:18:56,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 382 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:18:56,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:56,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 382 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:18:56,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:56,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 382 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:18:56,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:56,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 68832 transitions, 626400 flow Received shutdown request... [2023-10-12 17:22:45,381 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-10-12 17:22:45,884 WARN L144 chiPetriNetCegarLoop]: Unhandled de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.occured during abstraction size reduction. Continuing with non-reduced net [2023-10-12 17:22:45,884 INFO L430 stractBuchiCegarLoop]: Abstraction has has 80 places, 68832 transitions, 626400 flow [2023-10-12 17:22:45,885 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:22:45,885 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 places, 68832 transitions, 626400 flow [2023-10-12 17:22:45,903 WARN L343 stractBuchiCegarLoop]: Verification cancelled [2023-10-12 17:22:45,908 INFO L201 PluginConnector]: Adding new model map-aggr-update1-4modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:22:45 BoogieIcfgContainer [2023-10-12 17:22:45,908 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:22:45,909 INFO L158 Benchmark]: Toolchain (without parser) took 262818.90ms. Allocated memory was 188.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 136.4MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2023-10-12 17:22:45,909 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.28ms. Allocated memory is still 188.7MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:22:45,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.17ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 134.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:45,910 INFO L158 Benchmark]: Boogie Preprocessor took 25.29ms. Allocated memory is still 188.7MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:22:45,910 INFO L158 Benchmark]: RCFGBuilder took 239.16ms. Allocated memory is still 188.7MB. Free memory was 133.8MB in the beginning and 123.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-10-12 17:22:45,911 INFO L158 Benchmark]: BuchiAutomizer took 262521.77ms. Allocated memory was 188.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 123.3MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2023-10-12 17:22:45,912 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 0.28ms. Allocated memory is still 188.7MB. Free memory is still 137.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.17ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 134.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.29ms. Allocated memory is still 188.7MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.16ms. Allocated memory is still 188.7MB. Free memory was 133.8MB in the beginning and 123.6MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 262521.77ms. Allocated memory was 188.7MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 123.3MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 3.8GB. 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) and one module whose termination is unknown.One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 4 locations. The remainder module has 626400 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 262.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 19.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 656 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 653 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 617 IncrementalHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 343 mSDtfsCounter, 617 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax100 hnf100 lsp1834 ukn30 mio100 lsp98 div100 bol100 ite100 ukn100 eq151 hnf95 smp100 dnf303 smp69 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 289ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.8s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7s, 69 PlacesBefore, 46 PlacesAfterwards, 58 TransitionsBefore, 33 TransitionsAfterwards, 1860 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 27 TotalNumberOfCompositions, 1643 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1513, independent: 1506, independent conditional: 0, independent unconditional: 1506, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1020, independent: 1013, independent conditional: 0, independent unconditional: 1013, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1020, independent: 1000, independent conditional: 0, independent unconditional: 1000, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 32, independent conditional: 0, independent unconditional: 32, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1513, independent: 493, independent conditional: 0, independent unconditional: 493, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1020, unknown conditional: 0, unknown unconditional: 1020] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown