/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_AUTOMATON -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:12:24,178 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:12:24,312 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 17:12:24,330 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:12:24,330 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:12:24,331 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:12:24,331 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:12:24,332 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:12:24,332 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:12:24,335 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:12:24,335 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:12:24,335 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:12:24,335 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:12:24,336 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:12:24,337 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:12:24,337 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:12:24,337 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:12:24,337 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:12:24,337 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:12:24,338 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:12:24,339 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:12:24,339 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:12:24,339 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:12:24,339 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:12:24,339 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:12:24,340 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:12:24,340 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:12:24,340 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:12:24,341 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:12:24,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2023-10-12 17:12:24,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:12:24,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:12:24,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:12:24,559 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:12:24,560 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:12:24,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl [2023-10-12 17:12:24,561 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update2.bpl' [2023-10-12 17:12:24,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:12:24,590 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:12:24,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:24,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:12:24,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:12:24,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,609 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:12:24,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:12:24,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:12:24,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:12:24,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:12:24,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:12:24,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:12:24,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:12:24,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:12:24,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/1) ... [2023-10-12 17:12:24,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:24,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:24,658 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 17:12:24,677 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 17:12:24,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:12:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:12:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:12:24,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:12:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:12:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:12:24,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-10-12 17:12:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-10-12 17:12:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-10-12 17:12:24,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:12:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:12:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:12:24,689 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 17:12:24,761 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:12:24,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:12:24,870 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:12:24,889 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:12:24,889 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:12:24,890 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:24 BoogieIcfgContainer [2023-10-12 17:12:24,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:12:24,891 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:12:24,891 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:12:24,894 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:12:24,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:24,894 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:12:24" (1/2) ... [2023-10-12 17:12:24,895 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d18042 and model type map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:12:24, skipping insertion in model container [2023-10-12 17:12:24,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:12:24,896 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:12:24" (2/2) ... [2023-10-12 17:12:24,897 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-aggr-update2.bpl [2023-10-12 17:12:24,943 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-10-12 17:12:24,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 94 flow [2023-10-12 17:12:24,987 INFO L124 PetriNetUnfolderBase]: 3/29 cut-off events. [2023-10-12 17:12:24,987 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:12:24,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:12:24,990 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 94 flow [2023-10-12 17:12:24,995 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 29 transitions, 76 flow [2023-10-12 17:12:24,999 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:12:25,017 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 76 flow [2023-10-12 17:12:25,019 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 76 flow [2023-10-12 17:12:25,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 76 flow [2023-10-12 17:12:25,024 INFO L124 PetriNetUnfolderBase]: 3/29 cut-off events. [2023-10-12 17:12:25,024 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-10-12 17:12:25,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 57 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2023-10-12 17:12:25,028 INFO L119 LiptonReduction]: Number of co-enabled transitions 316 [2023-10-12 17:12:25,439 INFO L134 LiptonReduction]: Checked pairs total: 229 [2023-10-12 17:12:25,439 INFO L136 LiptonReduction]: Total number of compositions: 11 [2023-10-12 17:12:25,453 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:12:25,453 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:12:25,453 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:12:25,453 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:12:25,454 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:12:25,454 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:12:25,454 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:12:25,454 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-10-12 17:12:25,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-10-12 17:12:25,483 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:12:25,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:25,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:25,487 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:25,487 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:25,488 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:12:25,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2023-10-12 17:12:25,491 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2023-10-12 17:12:25,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:25,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:25,492 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-10-12 17:12:25,492 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:25,495 INFO L748 eck$LassoCheckResult]: Stem: 42#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 45#[L34]don't care [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 47#[L34-1, $Ultimate##0]don't care [88] $Ultimate##0-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 51#[L51-1, L34-1]don't care [2023-10-12 17:12:25,496 INFO L750 eck$LassoCheckResult]: Loop: 51#[L51-1, L34-1]don't care [129] L51-1-->L51-1: Formula: (and (= (store v_A_30 v_thread1Thread1of1ForFork0_i_22 (let ((.cse0 (select v_A_30 v_thread1Thread1of1ForFork0_i_22))) (ite (< .cse0 0) 0 .cse0))) v_A_29) (= (+ v_thread1Thread1of1ForFork0_i_22 1) v_thread1Thread1of1ForFork0_i_21) (< v_thread1Thread1of1ForFork0_i_22 v_N_22)) InVars {A=v_A_30, N=v_N_22, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_22} OutVars{A=v_A_29, N=v_N_22, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_21} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 51#[L51-1, L34-1]don't care [2023-10-12 17:12:25,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash 114943, now seen corresponding path program 1 times [2023-10-12 17:12:25,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527393122] [2023-10-12 17:12:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash 160, now seen corresponding path program 1 times [2023-10-12 17:12:25,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600608785] [2023-10-12 17:12:25,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,619 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:25,619 INFO L85 PathProgramCache]: Analyzing trace with hash 3563362, now seen corresponding path program 1 times [2023-10-12 17:12:25,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:25,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655968395] [2023-10-12 17:12:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:25,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:25,737 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:25,738 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:25,738 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:25,738 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:25,738 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:25,738 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,738 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:25,738 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:25,738 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:12:25,738 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:25,738 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:25,752 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 17:12:25,761 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 17:12:25,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:25,840 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:25,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,845 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 17:12:25,856 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 17:12:25,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-10-12 17:12:25,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:25,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:25,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,894 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 17:12:25,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,896 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 17:12:25,898 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 17:12:25,900 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 17:12:25,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:12:25,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:12:25,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:12:25,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:25,936 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 17:12:25,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:25,945 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 17:12:25,948 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 17:12:25,949 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 17:12:25,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:25,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:25,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:25,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:25,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:25,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:25,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:25,990 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:12:25,990 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:12:25,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:25,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:26,001 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 17:12:26,002 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 17:12:26,061 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:26,079 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:26,079 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:26,080 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:12:26,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-10-12 17:12:26,086 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:26,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:26,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:26,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:26,125 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:26,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:26,127 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 17:12:26,147 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 17:12:26,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states Second 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 17:12:26,239 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states. Second 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 144 states and 490 transitions. Complement of second has 4 states. [2023-10-12 17:12:26,242 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 17:12:26,246 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 17:12:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2023-10-12 17:12:26,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:12:26,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:26,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:12:26,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2023-10-12 17:12:26,262 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:12:26,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2023-10-12 17:12:26,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-10-12 17:12:26,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2023-10-12 17:12:26,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2023-10-12 17:12:26,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:26,272 INFO L219 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2023-10-12 17:12:26,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2023-10-12 17:12:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2023-10-12 17:12:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 3.5853658536585367) internal successors, (294), 81 states have internal predecessors, (294), 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 17:12:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2023-10-12 17:12:26,303 INFO L241 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2023-10-12 17:12:26,304 INFO L430 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2023-10-12 17:12:26,304 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:12:26,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2023-10-12 17:12:26,307 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2023-10-12 17:12:26,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:26,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:26,307 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-10-12 17:12:26,307 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:26,307 INFO L748 eck$LassoCheckResult]: Stem: 477#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 473#[L34]don't care [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 425#[L34-1, $Ultimate##0]don't care [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 411#[L35, $Ultimate##0, $Ultimate##0]don't care [126] $Ultimate##0-->L65-1: Formula: (and (= v_thread2Thread1of1ForFork1_j_25 0) (= (+ v_thread2Thread1of1ForFork1_pos_23 1) 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_25, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 329#[L35, $Ultimate##0, L65-1]don't care [2023-10-12 17:12:26,308 INFO L750 eck$LassoCheckResult]: Loop: 329#[L35, $Ultimate##0, L65-1]don't care [128] L65-1-->L65-1: Formula: (and (let ((.cse0 (select v_A_23 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2_pos_24) (< 0 .cse0)) (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_26) (<= .cse0 0)))) (= v_thread2Thread1of1ForFork1_j_27 (+ v_thread2Thread1of1ForFork1_j_28 1)) (let ((.cse1 (select v_B_27 v_thread2Thread1of1ForFork1_j_28))) (or (and (= v_thread2_pos_24 v_thread2Thread1of1ForFork1_pos_25) (<= .cse1 0)) (and (= v_thread2Thread1of1ForFork1_j_28 v_thread2Thread1of1ForFork1_pos_25) (< 0 .cse1)))) (< v_thread2Thread1of1ForFork1_j_28 v_N_18)) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_28, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_26, B=v_B_27} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_27, A=v_A_23, N=v_N_18, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_25, B=v_B_27} AuxVars[v_thread2_pos_24] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos] 329#[L35, $Ultimate##0, L65-1]don't care [2023-10-12 17:12:26,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,308 INFO L85 PathProgramCache]: Analyzing trace with hash 3564103, now seen corresponding path program 1 times [2023-10-12 17:12:26,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676168454] [2023-10-12 17:12:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:26,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,317 INFO L85 PathProgramCache]: Analyzing trace with hash 159, now seen corresponding path program 1 times [2023-10-12 17:12:26,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084433564] [2023-10-12 17:12:26,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:26,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,327 INFO L85 PathProgramCache]: Analyzing trace with hash 110487321, now seen corresponding path program 1 times [2023-10-12 17:12:26,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038452629] [2023-10-12 17:12:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:26,454 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:26,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:26,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:26,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:26,454 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:26,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:26,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:26,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:26,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:12:26,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:26,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:26,457 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 17:12:26,459 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 17:12:26,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:26,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:12:26,509 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 17:12:26,640 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:26,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:26,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:26,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:26,649 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 17:12:26,652 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 17:12:26,653 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 17:12:26,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:26,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:26,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:26,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:26,661 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:26,661 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:26,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:12:26,678 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 17:12:26,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:26,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:26,679 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 17:12:26,681 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 17:12:26,682 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 17:12:26,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:26,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:26,689 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:12:26,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:26,717 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:12:26,717 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:12:26,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-10-12 17:12:26,784 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:26,860 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-10-12 17:12:26,860 INFO L444 ModelExtractionUtils]: 28 out of 50 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-10-12 17:12:26,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:26,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:26,861 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 17:12:26,863 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 17:12:26,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:26,889 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2023-10-12 17:12:26,889 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:26,890 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2023-10-12 17:12:26,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-10-12 17:12:26,916 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:26,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:26,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:26,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:26,941 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:26,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:26,941 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 17:12:26,941 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 17:12:26,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:26,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 224 states and 842 transitions. Complement of second has 4 states. [2023-10-12 17:12:26,974 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 17:12:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2023-10-12 17:12:26,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:12:26,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:26,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:12:26,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:26,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2023-10-12 17:12:26,979 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:12:26,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2023-10-12 17:12:26,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2023-10-12 17:12:26,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2023-10-12 17:12:26,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2023-10-12 17:12:26,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-10-12 17:12:26,982 INFO L219 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2023-10-12 17:12:26,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2023-10-12 17:12:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2023-10-12 17:12:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 3.8189655172413794) internal successors, (443), 115 states have internal predecessors, (443), 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 17:12:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2023-10-12 17:12:26,989 INFO L241 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2023-10-12 17:12:26,989 INFO L430 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2023-10-12 17:12:26,989 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:12:26,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2023-10-12 17:12:26,990 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2023-10-12 17:12:26,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-10-12 17:12:26,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-10-12 17:12:26,991 INFO L149 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-10-12 17:12:26,991 INFO L150 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-10-12 17:12:26,991 INFO L748 eck$LassoCheckResult]: Stem: 930#[$Ultimate##0]don't care [85] $Ultimate##0-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 924#[L34]don't care [109] L34-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 866#[L34-1, $Ultimate##0]don't care [112] L34-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_14, thread2Thread1of1ForFork1_pos=v_thread2Thread1of1ForFork1_pos_8, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_pos, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 848#[L35, $Ultimate##0, $Ultimate##0]don't care [115] L35-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 850#[$Ultimate##0, $Ultimate##0, L36, $Ultimate##0]don't care [101] $Ultimate##0-->L85-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 908#[$Ultimate##0, L85-1, $Ultimate##0, L36]don't care [2023-10-12 17:12:26,991 INFO L750 eck$LassoCheckResult]: Loop: 908#[$Ultimate##0, L85-1, $Ultimate##0, L36]don't care [127] L85-1-->L85-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_25 (+ v_thread3Thread1of1ForFork2_k_26 1)) (< v_thread3Thread1of1ForFork2_k_26 v_N_16) (= v_B_23 (store v_B_24 v_thread3Thread1of1ForFork2_k_26 v_thread3Thread1of1ForFork2_k_26))) InVars {N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_26, B=v_B_24} OutVars{N=v_N_16, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_25, B=v_B_23} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 908#[$Ultimate##0, L85-1, $Ultimate##0, L36]don't care [2023-10-12 17:12:26,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash 110486953, now seen corresponding path program 1 times [2023-10-12 17:12:26,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354805783] [2023-10-12 17:12:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,995 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:26,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:26,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash 158, now seen corresponding path program 1 times [2023-10-12 17:12:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:26,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742506012] [2023-10-12 17:12:26,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:26,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -869871626, now seen corresponding path program 1 times [2023-10-12 17:12:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:12:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313739988] [2023-10-12 17:12:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:12:27,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:12:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:12:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:12:27,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:12:27,055 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:12:27,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:12:27,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:12:27,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:12:27,056 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:12:27,056 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,056 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:12:27,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:12:27,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update2.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:12:27,056 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:12:27,056 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:12:27,057 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 17:12:27,064 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 17:12:27,066 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 17:12:27,068 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 17:12:27,069 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 17:12:27,071 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 17:12:27,073 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 17:12:27,075 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 17:12:27,077 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 17:12:27,079 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 17:12:27,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:12:27,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:12:27,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,142 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 17:12:27,144 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 17:12:27,147 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 17:12:27,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:12:27,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:12:27,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:12:27,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:12:27,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:12:27,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:12:27,160 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:12:27,183 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-10-12 17:12:27,183 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:12:27,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:12:27,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:12:27,186 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 17:12:27,199 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 17:12:27,199 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:12:27,216 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:12:27,217 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:12:27,217 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2023-10-12 17:12:27,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-10-12 17:12:27,234 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:12:27,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:12:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:27,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:12:27,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:12:27,257 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:12:27,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:12:27,257 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 17:12:27,257 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 17:12:27,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:27,283 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 232 states and 840 transitions. Complement of second has 4 states. [2023-10-12 17:12:27,283 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 17:12:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:12:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2023-10-12 17:12:27,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2023-10-12 17:12:27,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2023-10-12 17:12:27,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:12:27,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:12:27,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 840 transitions. [2023-10-12 17:12:27,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:27,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 0 states and 0 transitions. [2023-10-12 17:12:27,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-10-12 17:12:27,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-10-12 17:12:27,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-10-12 17:12:27,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-10-12 17:12:27,288 INFO L219 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:27,288 INFO L241 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:27,288 INFO L430 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-10-12 17:12:27,288 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:12:27,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-10-12 17:12:27,288 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-10-12 17:12:27,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-10-12 17:12:27,292 INFO L201 PluginConnector]: Adding new model map-aggr-update2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:12:27 BoogieIcfgContainer [2023-10-12 17:12:27,292 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:12:27,293 INFO L158 Benchmark]: Toolchain (without parser) took 2702.78ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 144.2MB in the beginning and 150.7MB in the end (delta: -6.5MB). Peak memory consumption was 34.5MB. Max. memory is 8.0GB. [2023-10-12 17:12:27,293 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 194.0MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:12:27,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.15ms. Allocated memory is still 194.0MB. Free memory was 144.2MB in the beginning and 142.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:12:27,294 INFO L158 Benchmark]: Boogie Preprocessor took 18.89ms. Allocated memory is still 194.0MB. Free memory was 142.7MB in the beginning and 141.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:12:27,294 INFO L158 Benchmark]: RCFGBuilder took 260.11ms. Allocated memory is still 194.0MB. Free memory was 141.5MB in the beginning and 159.0MB in the end (delta: -17.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2023-10-12 17:12:27,294 INFO L158 Benchmark]: BuchiAutomizer took 2401.31ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 159.0MB in the beginning and 150.7MB in the end (delta: 8.2MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. [2023-10-12 17:12:27,296 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 0.26ms. Allocated memory is still 194.0MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.15ms. Allocated memory is still 194.0MB. Free memory was 144.2MB in the beginning and 142.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.89ms. Allocated memory is still 194.0MB. Free memory was 142.7MB in the beginning and 141.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 260.11ms. Allocated memory is still 194.0MB. Free memory was 141.5MB in the beginning and 159.0MB in the end (delta: -17.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 2401.31ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 159.0MB in the beginning and 150.7MB in the end (delta: 8.2MB). Peak memory consumption was 47.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital53 mio100 ax100 hnf100 lsp137 ukn45 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf143 smp85 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 211ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 36 PlacesBefore, 25 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 229 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 167, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 167, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 167, unknown conditional: 0, unknown unconditional: 167] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:12:27,317 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 17:12:27,509 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 17:12:27,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...