/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-incr-split.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:18:44,145 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:18:44,221 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 17:18:44,252 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:18:44,252 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:18:44,253 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:18:44,254 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:18:44,254 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:18:44,255 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:18:44,260 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:18:44,260 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:18:44,260 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:18:44,260 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:18:44,261 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:18:44,262 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:18:44,262 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:18:44,262 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:18:44,262 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:18:44,262 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:18:44,263 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:18:44,263 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:18:44,263 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:18:44,263 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:18:44,264 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:18:44,264 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:18:44,264 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:18:44,264 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:18:44,264 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:18:44,265 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:18:44,265 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:18:44,266 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:18:44,266 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:18:44,266 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:18:44,267 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:18:44,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:18:44,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:18:44,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:18:44,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:18:44,521 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:18:44,522 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:18:44,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl [2023-10-12 17:18:44,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-split.bpl' [2023-10-12 17:18:44,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:18:44,553 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:18:44,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:44,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:18:44,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:18:44,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,578 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:18:44,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:18:44,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:18:44,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:18:44,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:18:44,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:18:44,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:18:44,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:18:44,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:18:44,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/1) ... [2023-10-12 17:18:44,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:44,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:44,628 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 17:18:44,630 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 17:18:44,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:18:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:18:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:18:44,655 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:18:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:18:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:18:44,655 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:18:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:18:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:18:44,656 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 17:18:44,695 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:18:44,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:18:44,763 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:18:44,768 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:18:44,768 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:18:44,770 INFO L201 PluginConnector]: Adding new model map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:44 BoogieIcfgContainer [2023-10-12 17:18:44,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:18:44,771 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:18:44,771 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:18:44,775 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:18:44,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:44,776 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:18:44" (1/2) ... [2023-10-12 17:18:44,777 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59d84228 and model type map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:18:44, skipping insertion in model container [2023-10-12 17:18:44,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:18:44,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:18:44" (2/2) ... [2023-10-12 17:18:44,778 INFO L332 chiAutomizerObserver]: Analyzing ICFG map-incr-split.bpl [2023-10-12 17:18:44,826 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:18:44,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 66 flow [2023-10-12 17:18:44,869 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2023-10-12 17:18:44,870 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:18:44,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2023-10-12 17:18:44,873 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 66 flow [2023-10-12 17:18:44,876 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2023-10-12 17:18:44,879 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:18:44,891 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 54 flow [2023-10-12 17:18:44,894 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 54 flow [2023-10-12 17:18:44,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 21 transitions, 54 flow [2023-10-12 17:18:44,916 INFO L124 PetriNetUnfolderBase]: 2/21 cut-off events. [2023-10-12 17:18:44,916 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:18:44,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2023-10-12 17:18:44,918 INFO L119 LiptonReduction]: Number of co-enabled transitions 96 [2023-10-12 17:18:45,129 INFO L134 LiptonReduction]: Checked pairs total: 70 [2023-10-12 17:18:45,129 INFO L136 LiptonReduction]: Total number of compositions: 8 [2023-10-12 17:18:45,140 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:18:45,140 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:18:45,140 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:18:45,140 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:18:45,140 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:18:45,140 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:18:45,142 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:18:45,142 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:18:45,143 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 places, 13 transitions, 38 flow [2023-10-12 17:18:45,147 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:45,147 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:45,147 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:45,147 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:45,150 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:18:45,150 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 places, 13 transitions, 38 flow [2023-10-12 17:18:45,151 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:45,151 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-10-12 17:18:45,151 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:18:45,151 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:45,155 INFO L748 eck$LassoCheckResult]: Stem: 32#[$Ultimate##0]true [75] $Ultimate##0-->L19: Formula: (and (<= 0 v_k_7) (< v_k_7 (* v_N_11 2)) (= (select v_A_30 v_k_7) v_ULTIMATE.start_x_6)) InVars {A=v_A_30, N=v_N_11, k=v_k_7} OutVars{A=v_A_30, N=v_N_11, k=v_k_7, ULTIMATE.start_x=v_ULTIMATE.start_x_6} AuxVars[] AssignedVars[ULTIMATE.start_x] 34#[L19]true [64] L19-->$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] 36#[$Ultimate##0, L19-1]true [50] $Ultimate##0-->L33-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 38#[L33-1, L19-1]true [2023-10-12 17:18:45,156 INFO L750 eck$LassoCheckResult]: Loop: 38#[L33-1, L19-1]true [76] L33-1-->L33-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_26 v_N_13) (= v_A_32 (store v_A_33 v_thread1Thread1of1ForFork0_i_26 (+ (select v_A_33 v_thread1Thread1of1ForFork0_i_26) 1))) (= v_thread1Thread1of1ForFork0_i_25 (+ v_thread1Thread1of1ForFork0_i_26 1))) InVars {A=v_A_33, N=v_N_13, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_26} OutVars{A=v_A_32, N=v_N_13, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_25} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 38#[L33-1, L19-1]true [2023-10-12 17:18:45,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash 103900, now seen corresponding path program 1 times [2023-10-12 17:18:45,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497671993] [2023-10-12 17:18:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:45,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,296 INFO L85 PathProgramCache]: Analyzing trace with hash 107, now seen corresponding path program 1 times [2023-10-12 17:18:45,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109867260] [2023-10-12 17:18:45,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:45,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 3220976, now seen corresponding path program 1 times [2023-10-12 17:18:45,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33532062] [2023-10-12 17:18:45,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:45,411 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:45,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:45,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:45,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:45,412 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:45,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:45,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:45,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-split.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:18:45,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:45,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:45,424 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 17:18:45,452 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 17:18:45,503 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:45,506 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:45,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,513 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 17:18:45,520 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 17:18:45,523 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 17:18:45,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:45,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:18:45,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:45,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:45,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:45,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:18:45,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:18:45,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:45,546 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 17:18:45,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,547 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 17:18:45,553 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 17:18:45,554 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 17:18:45,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:45,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:45,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:45,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:45,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:45,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:45,584 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:45,623 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-10-12 17:18:45,623 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:18:45,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:45,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:45,626 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 17:18:45,628 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 17:18:45,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:45,673 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:45,674 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:45,674 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2023-10-12 17:18:45,678 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 17:18:45,681 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:18:45,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:45,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:45,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:45,722 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:18:45,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:45,723 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 17:18:45,755 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 17:18:45,756 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 17:18:45,852 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 192 transitions. [2023-10-12 17:18:45,854 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:45,857 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:45,859 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 17:18:45,863 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 17:18:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2023-10-12 17:18:45,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:18:45,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:45,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:18:45,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:45,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:18:45,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:45,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 144 transitions, 708 flow [2023-10-12 17:18:45,907 INFO L124 PetriNetUnfolderBase]: 55/106 cut-off events. [2023-10-12 17:18:45,907 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-10-12 17:18:45,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 106 events. 55/106 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 293 event pairs, 1 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 164. Up to 33 conditions per place. [2023-10-12 17:18:45,909 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 28 places, 144 transitions, 708 flow [2023-10-12 17:18:45,916 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 28 places, 144 transitions, 708 flow [2023-10-12 17:18:45,917 INFO L430 stractBuchiCegarLoop]: Abstraction has has 28 places, 144 transitions, 708 flow [2023-10-12 17:18:45,917 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:18:45,917 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 28 places, 144 transitions, 708 flow [2023-10-12 17:18:45,932 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:18:45,933 INFO L124 PetriNetUnfolderBase]: 23/40 cut-off events. [2023-10-12 17:18:45,933 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:18:45,933 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:18:45,935 INFO L748 eck$LassoCheckResult]: Stem: 32#[$Ultimate##0]true [75] $Ultimate##0-->L19: Formula: (and (<= 0 v_k_7) (< v_k_7 (* v_N_11 2)) (= (select v_A_30 v_k_7) v_ULTIMATE.start_x_6)) InVars {A=v_A_30, N=v_N_11, k=v_k_7} OutVars{A=v_A_30, N=v_N_11, k=v_k_7, ULTIMATE.start_x=v_ULTIMATE.start_x_6} AuxVars[] AssignedVars[ULTIMATE.start_x] 34#[L19]true [64] L19-->$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] 36#[$Ultimate##0, L19-1]true [67] L19-1-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 87#[$Ultimate##0, $Ultimate##0, L20]true [50] $Ultimate##0-->L33-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 89#[L33-1, $Ultimate##0, L20]true [56] $Ultimate##0-->L45-1: Formula: (= v_N_4 v_thread2Thread1of1ForFork1_i_1) InVars {N=v_N_4} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1, N=v_N_4} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 91#[L33-1, L45-1, L20]true [77] L45-1-->L45-1: Formula: (and (= v_thread2Thread1of1ForFork1_i_25 (+ v_thread2Thread1of1ForFork1_i_26 1)) (= v_A_36 (store v_A_37 v_thread2Thread1of1ForFork1_i_26 (+ (select v_A_37 v_thread2Thread1of1ForFork1_i_26) 1))) (< v_thread2Thread1of1ForFork1_i_26 (* v_N_15 2))) InVars {A=v_A_37, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_26, N=v_N_15} OutVars{A=v_A_36, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_25, N=v_N_15} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 91#[L33-1, L45-1, L20]true [2023-10-12 17:18:45,936 INFO L750 eck$LassoCheckResult]: Loop: 91#[L33-1, L45-1, L20]true [77] L45-1-->L45-1: Formula: (and (= v_thread2Thread1of1ForFork1_i_25 (+ v_thread2Thread1of1ForFork1_i_26 1)) (= v_A_36 (store v_A_37 v_thread2Thread1of1ForFork1_i_26 (+ (select v_A_37 v_thread2Thread1of1ForFork1_i_26) 1))) (< v_thread2Thread1of1ForFork1_i_26 (* v_N_15 2))) InVars {A=v_A_37, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_26, N=v_N_15} OutVars{A=v_A_36, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_25, N=v_N_15} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 91#[L33-1, L45-1, L20]true [77] L45-1-->L45-1: Formula: (and (= v_thread2Thread1of1ForFork1_i_25 (+ v_thread2Thread1of1ForFork1_i_26 1)) (= v_A_36 (store v_A_37 v_thread2Thread1of1ForFork1_i_26 (+ (select v_A_37 v_thread2Thread1of1ForFork1_i_26) 1))) (< v_thread2Thread1of1ForFork1_i_26 (* v_N_15 2))) InVars {A=v_A_37, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_26, N=v_N_15} OutVars{A=v_A_36, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_25, N=v_N_15} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 91#[L33-1, L45-1, L20]true [2023-10-12 17:18:45,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1199126086, now seen corresponding path program 1 times [2023-10-12 17:18:45,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859901900] [2023-10-12 17:18:45,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:45,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,957 INFO L85 PathProgramCache]: Analyzing trace with hash 3425, now seen corresponding path program 1 times [2023-10-12 17:18:45,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367638715] [2023-10-12 17:18:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:45,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1308930854, now seen corresponding path program 2 times [2023-10-12 17:18:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:18:45,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857833034] [2023-10-12 17:18:45,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:18:45,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:18:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:18:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:18:45,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:18:46,145 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:18:46,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:18:46,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:18:46,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:18:46,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:18:46,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:18:46,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:18:46,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-split.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:18:46,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:18:46,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:18:46,148 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 17:18:46,151 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 17:18:46,155 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 17:18:46,237 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 17:18:46,240 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 17:18:46,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:18:46,319 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:18:46,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:46,321 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 17:18:46,332 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 17:18:46,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:46,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:46,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:46,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:46,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:46,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:46,346 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 17:18:46,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:46,349 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 17:18:46,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:46,351 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 17:18:46,353 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 17:18:46,357 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 17:18:46,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:46,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:46,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:46,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:46,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:46,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:46,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:46,389 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 17:18:46,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:46,390 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 17:18:46,397 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 17:18:46,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:46,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:46,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:46,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:46,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:46,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:46,420 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 17:18:46,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:18:46,438 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 17:18:46,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:46,441 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 17:18:46,452 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 17:18:46,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:18:46,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:18:46,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:18:46,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:18:46,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:18:46,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:18:46,472 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 17:18:46,484 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:18:46,500 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-10-12 17:18:46,500 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:18:46,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:18:46,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:18:46,504 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 17:18:46,505 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 17:18:46,506 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:18:46,534 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:18:46,534 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:18:46,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 2*N Supporting invariants [] [2023-10-12 17:18:46,540 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 17:18:46,544 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:18:46,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:18:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:46,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:18:46,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:18:46,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:18:46,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:18:46,620 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 17:18:46,621 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 17:18:46,621 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 17:18:46,753 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 7 states and 254 transitions. [2023-10-12 17:18:46,753 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:18:46,772 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:18:46,773 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 17:18:46,774 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 17:18:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2023-10-12 17:18:46,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 126 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:18:46,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 126 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:18:46,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 126 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:18:46,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:18:46,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 2088 transitions, 14424 flow [2023-10-12 17:18:46,878 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 17:18:46,899 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 17:18:46,906 INFO L124 PetriNetUnfolderBase]: 164/314 cut-off events. [2023-10-12 17:18:46,906 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-10-12 17:18:46,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 314 events. 164/314 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1299 event pairs, 1 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 771. Up to 110 conditions per place. [2023-10-12 17:18:46,907 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 42 places, 2088 transitions, 14424 flow [2023-10-12 17:18:46,935 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 42 places, 2088 transitions, 14424 flow [2023-10-12 17:18:46,935 INFO L430 stractBuchiCegarLoop]: Abstraction has has 42 places, 2088 transitions, 14424 flow [2023-10-12 17:18:46,936 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:18:46,936 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 42 places, 2088 transitions, 14424 flow [2023-10-12 17:18:46,993 INFO L124 PetriNetUnfolderBase]: 164/314 cut-off events. [2023-10-12 17:18:46,994 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-10-12 17:18:46,994 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:18:47,003 INFO L201 PluginConnector]: Adding new model map-incr-split.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:18:47 BoogieIcfgContainer [2023-10-12 17:18:47,003 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:18:47,004 INFO L158 Benchmark]: Toolchain (without parser) took 2450.56ms. Allocated memory was 206.6MB in the beginning and 296.7MB in the end (delta: 90.2MB). Free memory was 160.4MB in the beginning and 231.0MB in the end (delta: -70.6MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2023-10-12 17:18:47,004 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.31ms. Allocated memory is still 206.6MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:18:47,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.09ms. Allocated memory is still 206.6MB. Free memory was 160.4MB in the beginning and 158.8MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-10-12 17:18:47,005 INFO L158 Benchmark]: Boogie Preprocessor took 17.08ms. Allocated memory is still 206.6MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:18:47,005 INFO L158 Benchmark]: RCFGBuilder took 171.40ms. Allocated memory is still 206.6MB. Free memory was 157.8MB in the beginning and 148.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:18:47,006 INFO L158 Benchmark]: BuchiAutomizer took 2232.51ms. Allocated memory was 206.6MB in the beginning and 296.7MB in the end (delta: 90.2MB). Free memory was 148.5MB in the beginning and 231.0MB in the end (delta: -82.5MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2023-10-12 17:18:47,007 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 0.31ms. Allocated memory is still 206.6MB. Free memory is still 161.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.09ms. Allocated memory is still 206.6MB. Free memory was 160.4MB in the beginning and 158.8MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.08ms. Allocated memory is still 206.6MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 171.40ms. Allocated memory is still 206.6MB. Free memory was 157.8MB in the beginning and 148.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2232.51ms. Allocated memory was 206.6MB in the beginning and 296.7MB in the end (delta: 90.2MB). Free memory was 148.5MB in the beginning and 231.0MB in the end (delta: -82.5MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function 2 * N + -1 * i and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 81 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp88 ukn60 mio100 lsp79 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf100 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 127ms 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: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 26 PlacesBefore, 18 PlacesAfterwards, 21 TransitionsBefore, 13 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 70 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:18:47,025 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...