/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/min-max-split-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:19:16,838 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:19:16,886 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 17:19:16,914 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:19:16,915 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:19:16,915 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:19:16,916 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:19:16,920 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:19:16,921 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:19:16,924 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:19:16,924 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:19:16,925 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:19:16,925 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:19:16,926 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:19:16,926 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:19:16,927 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:19:16,927 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:19:16,927 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:19:16,927 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:19:16,927 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:19:16,928 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:19:16,928 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:19:16,928 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:19:16,928 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:19:16,929 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:19:16,929 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:19:16,929 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:19:16,929 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:19:16,929 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:19:16,930 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:19:16,930 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:19:16,930 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:19:16,930 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:19:16,931 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:19:16,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:19:17,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:19:17,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:19:17,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:19:17,126 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:19:17,127 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:19:17,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl [2023-10-12 17:19:17,128 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl' [2023-10-12 17:19:17,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:19:17,161 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:19:17,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:19:17,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:19:17,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:19:17,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,190 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:19:17,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:19:17,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:19:17,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:19:17,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:19:17,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:19:17,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:19:17,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:19:17,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:19:17,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/1) ... [2023-10-12 17:19:17,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:17,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:17,259 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 17:19:17,281 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 17:19:17,294 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin2 given in one single declaration [2023-10-12 17:19:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin2 [2023-10-12 17:19:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin2 [2023-10-12 17:19:17,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:19:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:19:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:19:17,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin1 given in one single declaration [2023-10-12 17:19:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin1 [2023-10-12 17:19:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin1 [2023-10-12 17:19:17,295 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax2 given in one single declaration [2023-10-12 17:19:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax2 [2023-10-12 17:19:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax2 [2023-10-12 17:19:17,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax1 given in one single declaration [2023-10-12 17:19:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax1 [2023-10-12 17:19:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax1 [2023-10-12 17:19:17,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2023-10-12 17:19:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2023-10-12 17:19:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2023-10-12 17:19:17,298 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 17:19:17,349 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:19:17,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:19:17,508 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:19:17,525 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:19:17,525 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-10-12 17:19:17,527 INFO L201 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:19:17 BoogieIcfgContainer [2023-10-12 17:19:17,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:19:17,528 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:19:17,528 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:19:17,532 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:19:17,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:19:17,532 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:19:17" (1/2) ... [2023-10-12 17:19:17,540 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40dd6a03 and model type min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:19:17, skipping insertion in model container [2023-10-12 17:19:17,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:19:17,540 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:19:17" (2/2) ... [2023-10-12 17:19:17,541 INFO L332 chiAutomizerObserver]: Analyzing ICFG min-max-split-sample.bpl [2023-10-12 17:19:17,654 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-10-12 17:19:17,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 50 transitions, 137 flow [2023-10-12 17:19:17,719 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2023-10-12 17:19:17,720 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:19:17,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 40 events. 5/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 88 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2023-10-12 17:19:17,724 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 50 transitions, 137 flow [2023-10-12 17:19:17,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 40 transitions, 107 flow [2023-10-12 17:19:17,731 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:19:17,743 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 40 transitions, 107 flow [2023-10-12 17:19:17,746 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 40 transitions, 107 flow [2023-10-12 17:19:17,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 40 transitions, 107 flow [2023-10-12 17:19:17,755 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2023-10-12 17:19:17,755 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-10-12 17:19:17,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 40 events. 5/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 88 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2023-10-12 17:19:17,757 INFO L119 LiptonReduction]: Number of co-enabled transitions 730 [2023-10-12 17:19:17,985 INFO L134 LiptonReduction]: Checked pairs total: 767 [2023-10-12 17:19:17,985 INFO L136 LiptonReduction]: Total number of compositions: 11 [2023-10-12 17:19:17,997 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:19:17,997 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:19:17,997 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:19:17,997 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:19:17,997 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:19:17,997 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:19:17,997 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:19:17,998 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:19:17,998 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 29 transitions, 85 flow [2023-10-12 17:19:18,002 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:19:18,002 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:19:18,002 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:19:18,002 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:19:18,004 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:19:18,005 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 29 transitions, 85 flow [2023-10-12 17:19:18,006 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:19:18,006 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-10-12 17:19:18,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:19:18,006 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:19:18,010 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [161] $Ultimate##0-->L100: Formula: (let ((.cse0 (select v_A_43 0))) (and (<= 0 v_k_28) (= .cse0 v_array_max_52) (= .cse0 v_array_min_50) (<= v_k_28 v_N_20))) InVars {A=v_A_43, N=v_N_20, k=v_k_28} OutVars{A=v_A_43, array_min=v_array_min_50, N=v_N_20, array_max=v_array_max_52, k=v_k_28} AuxVars[] AssignedVars[array_min, array_max] 62#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 64#[L100-1, $Ultimate##0]true [112] $Ultimate##0-->L36-1: Formula: (= v_i1_2 0) InVars {} OutVars{i1=v_i1_2} AuxVars[] AssignedVars[i1] 66#[L100-1, L36-1]true [2023-10-12 17:19:18,011 INFO L750 eck$LassoCheckResult]: Loop: 66#[L100-1, L36-1]true [155] L36-1-->L36-1: Formula: (and (= (let ((.cse0 (select v_A_23 v_i1_17))) (ite (< v_array_min_27 .cse0) v_array_min_27 .cse0)) v_array_min_26) (< v_i1_17 v_k_14) (= (+ v_i1_17 1) v_i1_16)) InVars {A=v_A_23, array_min=v_array_min_27, k=v_k_14, i1=v_i1_17} OutVars{A=v_A_23, array_min=v_array_min_26, k=v_k_14, i1=v_i1_16} AuxVars[] AssignedVars[array_min, i1] 66#[L100-1, L36-1]true [2023-10-12 17:19:18,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:18,015 INFO L85 PathProgramCache]: Analyzing trace with hash 188964, now seen corresponding path program 1 times [2023-10-12 17:19:18,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:18,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667426845] [2023-10-12 17:19:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:18,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:18,168 INFO L85 PathProgramCache]: Analyzing trace with hash 186, now seen corresponding path program 1 times [2023-10-12 17:19:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:18,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985265599] [2023-10-12 17:19:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:18,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:18,200 INFO L85 PathProgramCache]: Analyzing trace with hash 5858039, now seen corresponding path program 1 times [2023-10-12 17:19:18,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:18,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560344583] [2023-10-12 17:19:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:18,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:18,379 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:19:18,380 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:19:18,380 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:19:18,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:19:18,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:19:18,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:18,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:19:18,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:19:18,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:19:18,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:19:18,383 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:19:18,397 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 17:19:18,405 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 17:19:18,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:19:18,570 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:19:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:18,577 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 17:19:18,582 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 17:19:18,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:18,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:18,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:18,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:18,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:18,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:18,600 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 17:19:18,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:18,616 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 17:19:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:18,618 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 17:19:18,632 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 17:19:18,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:18,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:18,640 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-10-12 17:19:18,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:18,664 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-10-12 17:19:18,664 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:19:18,665 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 17:19:18,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:18,702 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 17:19:18,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:18,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:18,704 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 17:19:18,707 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 17:19:18,708 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 17:19:18,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:18,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:18,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:18,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:18,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:18,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:18,737 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:19:18,745 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-10-12 17:19:18,746 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-10-12 17:19:18,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:18,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:18,753 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 17:19:18,756 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 17:19:18,757 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:19:18,774 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:19:18,775 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:19:18,775 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, k) = -1*i1 + 1*k Supporting invariants [] [2023-10-12 17:19:18,781 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 17:19:18,783 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:19:18,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:18,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:19:18,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:18,832 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-10-12 17:19:18,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:18,833 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 17:19:18,866 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 17:19:18,867 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 17:19:19,009 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 362 transitions. [2023-10-12 17:19:19,010 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:19:19,017 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:19:19,019 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 17:19:19,026 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 17:19:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2023-10-12 17:19:19,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:19:19,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:19,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 4 letters. Loop has 1 letters. [2023-10-12 17:19:19,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:19,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 181 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:19:19,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:19,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 340 transitions, 1684 flow [2023-10-12 17:19:19,319 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 17:19:19,841 INFO L124 PetriNetUnfolderBase]: 10625/12988 cut-off events. [2023-10-12 17:19:19,842 INFO L125 PetriNetUnfolderBase]: For 1236/1236 co-relation queries the response was YES. [2023-10-12 17:19:19,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27519 conditions, 12988 events. 10625/12988 cut-off events. For 1236/1236 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 46130 event pairs, 223 based on Foata normal form. 0/8162 useless extension candidates. Maximal degree in co-relation 26556. Up to 4164 conditions per place. [2023-10-12 17:19:19,877 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 50 places, 340 transitions, 1684 flow [2023-10-12 17:19:19,883 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 50 places, 340 transitions, 1684 flow [2023-10-12 17:19:19,883 INFO L430 stractBuchiCegarLoop]: Abstraction has has 50 places, 340 transitions, 1684 flow [2023-10-12 17:19:19,883 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:19:19,883 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50 places, 340 transitions, 1684 flow [2023-10-12 17:19:19,890 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:19:19,890 INFO L124 PetriNetUnfolderBase]: 41/65 cut-off events. [2023-10-12 17:19:19,890 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2023-10-12 17:19:19,890 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:19:19,891 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [161] $Ultimate##0-->L100: Formula: (let ((.cse0 (select v_A_43 0))) (and (<= 0 v_k_28) (= .cse0 v_array_max_52) (= .cse0 v_array_min_50) (<= v_k_28 v_N_20))) InVars {A=v_A_43, N=v_N_20, k=v_k_28} OutVars{A=v_A_43, array_min=v_array_min_50, N=v_N_20, array_max=v_array_max_52, k=v_k_28} AuxVars[] AssignedVars[array_min, array_max] 62#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 64#[L100-1, $Ultimate##0]true [143] L100-1-->$Ultimate##0: Formula: (and (= 2 v_computeMin2Thread1of1ForFork3_thidvar0_2) (= 2 v_computeMin2Thread1of1ForFork3_thidvar1_2)) InVars {} OutVars{computeMin2Thread1of1ForFork3_thidvar0=v_computeMin2Thread1of1ForFork3_thidvar0_2, computeMin2Thread1of1ForFork3_thidvar1=v_computeMin2Thread1of1ForFork3_thidvar1_2} AuxVars[] AssignedVars[computeMin2Thread1of1ForFork3_thidvar0, computeMin2Thread1of1ForFork3_thidvar1] 115#[L101, $Ultimate##0, $Ultimate##0]true [107] $Ultimate##0-->L48-1: Formula: (= v_i2_1 (+ v_k_1 1)) InVars {k=v_k_1} OutVars{i2=v_i2_1, k=v_k_1} AuxVars[] AssignedVars[i2] 117#[L101, L48-1, $Ultimate##0]true [2023-10-12 17:19:19,891 INFO L750 eck$LassoCheckResult]: Loop: 117#[L101, L48-1, $Ultimate##0]true [159] L48-1-->L48-1: Formula: (and (< v_i2_25 v_N_12) (= (+ v_i2_25 1) v_i2_24) (= v_array_min_32 (let ((.cse0 (select v_A_29 v_i2_25))) (ite (< v_array_min_33 .cse0) v_array_min_33 .cse0)))) InVars {A=v_A_29, array_min=v_array_min_33, N=v_N_12, i2=v_i2_25} OutVars{A=v_A_29, array_min=v_array_min_32, N=v_N_12, i2=v_i2_24} AuxVars[] AssignedVars[array_min, i2] 117#[L101, L48-1, $Ultimate##0]true [159] L48-1-->L48-1: Formula: (and (< v_i2_25 v_N_12) (= (+ v_i2_25 1) v_i2_24) (= v_array_min_32 (let ((.cse0 (select v_A_29 v_i2_25))) (ite (< v_array_min_33 .cse0) v_array_min_33 .cse0)))) InVars {A=v_A_29, array_min=v_array_min_33, N=v_N_12, i2=v_i2_25} OutVars{A=v_A_29, array_min=v_array_min_32, N=v_N_12, i2=v_i2_24} AuxVars[] AssignedVars[array_min, i2] 117#[L101, L48-1, $Ultimate##0]true [2023-10-12 17:19:19,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash 5858952, now seen corresponding path program 1 times [2023-10-12 17:19:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:19,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073988580] [2023-10-12 17:19:19,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:19,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:19,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:19,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:19,911 INFO L85 PathProgramCache]: Analyzing trace with hash 6049, now seen corresponding path program 1 times [2023-10-12 17:19:19,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:19,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108091023] [2023-10-12 17:19:19,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:19,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:19,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:19,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:19,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:19,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1335490664, now seen corresponding path program 1 times [2023-10-12 17:19:19,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:19,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465722059] [2023-10-12 17:19:19,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:20,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:20,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:20,227 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:19:20,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:19:20,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:19:20,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:19:20,228 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:19:20,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:19:20,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:19:20,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:19:20,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:19:20,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:19:20,233 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 17:19:20,236 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 17:19:20,239 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 17:19:20,242 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 17:19:20,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:19:20,505 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:19:20,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,506 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 17:19:20,518 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 17:19:20,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:20,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:20,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:20,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:20,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:20,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:20,530 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 17:19:20,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:20,535 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 17:19:20,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,536 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 17:19:20,551 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 17:19:20,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:20,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:20,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:20,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:20,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:20,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:20,564 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 17:19:20,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:20,579 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 17:19:20,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,581 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 17:19:20,587 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 17:19:20,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:20,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:20,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:20,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:20,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:20,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:20,600 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 17:19:20,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:20,608 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 17:19:20,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,610 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 17:19:20,613 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 17:19:20,615 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 17:19:20,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:20,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:20,622 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:19:20,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:20,652 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:19:20,652 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:19:20,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:20,699 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 17:19:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,701 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 17:19:20,716 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 17:19:20,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:20,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:20,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:20,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:20,724 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 17:19:20,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:20,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:20,748 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:19:20,760 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-10-12 17:19:20,760 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-10-12 17:19:20,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:20,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:20,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:20,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-10-12 17:19:20,765 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:19:20,794 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:19:20,794 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:19:20,794 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2023-10-12 17:19:20,798 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 17:19:20,800 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:19:20,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:20,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:19:20,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:20,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:19:20,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:20,844 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 17:19:20,844 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 17:19:20,844 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:21,008 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7 states and 481 transitions. [2023-10-12 17:19:21,009 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:19:21,036 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:19:21,037 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 17:19:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 241 transitions. [2023-10-12 17:19:21,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 4 letters. Loop has 2 letters. [2023-10-12 17:19:21,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:21,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:19:21,039 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:21,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 4 letters. Loop has 4 letters. [2023-10-12 17:19:21,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:21,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 5296 transitions, 36960 flow [2023-10-12 17:19:21,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:25,193 INFO L124 PetriNetUnfolderBase]: 34164/41006 cut-off events. [2023-10-12 17:19:25,193 INFO L125 PetriNetUnfolderBase]: For 3897/3897 co-relation queries the response was YES. [2023-10-12 17:19:25,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128026 conditions, 41006 events. 34164/41006 cut-off events. For 3897/3897 co-relation queries the response was YES. Maximal size of possible extension queue 1188. Compared 157264 event pairs, 158 based on Foata normal form. 0/23645 useless extension candidates. Maximal degree in co-relation 121062. Up to 14236 conditions per place. [2023-10-12 17:19:25,249 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 64 places, 5296 transitions, 36960 flow [2023-10-12 17:19:25,301 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 64 places, 5296 transitions, 36960 flow [2023-10-12 17:19:25,301 INFO L430 stractBuchiCegarLoop]: Abstraction has has 64 places, 5296 transitions, 36960 flow [2023-10-12 17:19:25,301 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:19:25,301 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 64 places, 5296 transitions, 36960 flow [2023-10-12 17:19:25,322 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:19:25,322 INFO L124 PetriNetUnfolderBase]: 59/95 cut-off events. [2023-10-12 17:19:25,322 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-10-12 17:19:25,322 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:19:25,323 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [161] $Ultimate##0-->L100: Formula: (let ((.cse0 (select v_A_43 0))) (and (<= 0 v_k_28) (= .cse0 v_array_max_52) (= .cse0 v_array_min_50) (<= v_k_28 v_N_20))) InVars {A=v_A_43, N=v_N_20, k=v_k_28} OutVars{A=v_A_43, array_min=v_array_min_50, N=v_N_20, array_max=v_array_max_52, k=v_k_28} AuxVars[] AssignedVars[array_min, array_max] 62#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 64#[L100-1, $Ultimate##0]true [143] L100-1-->$Ultimate##0: Formula: (and (= 2 v_computeMin2Thread1of1ForFork3_thidvar0_2) (= 2 v_computeMin2Thread1of1ForFork3_thidvar1_2)) InVars {} OutVars{computeMin2Thread1of1ForFork3_thidvar0=v_computeMin2Thread1of1ForFork3_thidvar0_2, computeMin2Thread1of1ForFork3_thidvar1=v_computeMin2Thread1of1ForFork3_thidvar1_2} AuxVars[] AssignedVars[computeMin2Thread1of1ForFork3_thidvar0, computeMin2Thread1of1ForFork3_thidvar1] 115#[L101, $Ultimate##0, $Ultimate##0]true [146] L101-->$Ultimate##0: Formula: (and (= v_computeMax1Thread1of1ForFork4_thidvar2_2 3) (= v_computeMax1Thread1of1ForFork4_thidvar0_2 3) (= v_computeMax1Thread1of1ForFork4_thidvar1_2 3)) InVars {} OutVars{computeMax1Thread1of1ForFork4_thidvar0=v_computeMax1Thread1of1ForFork4_thidvar0_2, computeMax1Thread1of1ForFork4_thidvar1=v_computeMax1Thread1of1ForFork4_thidvar1_2, computeMax1Thread1of1ForFork4_thidvar2=v_computeMax1Thread1of1ForFork4_thidvar2_2} AuxVars[] AssignedVars[computeMax1Thread1of1ForFork4_thidvar0, computeMax1Thread1of1ForFork4_thidvar1, computeMax1Thread1of1ForFork4_thidvar2] 178#[$Ultimate##0, L102, $Ultimate##0, $Ultimate##0]true [122] $Ultimate##0-->L61-1: Formula: (= v_i3_6 0) InVars {} OutVars{i3=v_i3_6} AuxVars[] AssignedVars[i3] 180#[L102, $Ultimate##0, $Ultimate##0, L61-1]true [2023-10-12 17:19:25,323 INFO L750 eck$LassoCheckResult]: Loop: 180#[L102, $Ultimate##0, $Ultimate##0, L61-1]true [157] L61-1-->L61-1: Formula: (and (= v_array_max_30 (let ((.cse0 (select v_A_25 v_i3_17))) (ite (< v_array_max_31 .cse0) .cse0 v_array_max_31))) (= (+ v_i3_17 1) v_i3_16) (< v_i3_17 v_k_18)) InVars {A=v_A_25, array_max=v_array_max_31, i3=v_i3_17, k=v_k_18} OutVars{A=v_A_25, array_max=v_array_max_30, i3=v_i3_16, k=v_k_18} AuxVars[] AssignedVars[array_max, i3] 180#[L102, $Ultimate##0, $Ultimate##0, L61-1]true [157] L61-1-->L61-1: Formula: (and (= v_array_max_30 (let ((.cse0 (select v_A_25 v_i3_17))) (ite (< v_array_max_31 .cse0) .cse0 v_array_max_31))) (= (+ v_i3_17 1) v_i3_16) (< v_i3_17 v_k_18)) InVars {A=v_A_25, array_max=v_array_max_31, i3=v_i3_17, k=v_k_18} OutVars{A=v_A_25, array_max=v_array_max_30, i3=v_i3_16, k=v_k_18} AuxVars[] AssignedVars[array_max, i3] 180#[L102, $Ultimate##0, $Ultimate##0, L61-1]true [2023-10-12 17:19:25,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:25,324 INFO L85 PathProgramCache]: Analyzing trace with hash 181628843, now seen corresponding path program 1 times [2023-10-12 17:19:25,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:25,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071291068] [2023-10-12 17:19:25,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:25,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:25,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash 5985, now seen corresponding path program 1 times [2023-10-12 17:19:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:25,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4563079] [2023-10-12 17:19:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:25,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:25,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1548335989, now seen corresponding path program 1 times [2023-10-12 17:19:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:19:25,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753720896] [2023-10-12 17:19:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:19:25,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:19:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:19:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:19:25,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:19:25,541 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:19:25,541 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:19:25,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:19:25,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:19:25,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:19:25,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:19:25,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:19:25,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration3_Lasso [2023-10-12 17:19:25,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:19:25,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:19:25,549 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 17:19:25,552 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 17:19:25,554 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 17:19:25,556 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 17:19:25,560 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 17:19:25,567 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 17:19:25,570 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 17:19:25,821 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:19:25,821 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:19:25,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:25,822 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:25,830 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 17:19:25,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:25,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:25,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:25,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:25,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:25,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:25,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-10-12 17:19:25,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:25,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:25,862 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:25,872 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 17:19:25,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-10-12 17:19:25,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:25,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:25,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:25,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:25,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:25,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:25,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:25,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:25,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:25,908 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:25,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-10-12 17:19:25,912 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 17:19:25,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:25,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:25,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:25,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:25,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:25,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:25,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:25,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:25,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:25,946 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:25,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-10-12 17:19:25,950 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 17:19:25,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:25,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:25,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:25,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:25,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:25,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:25,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:25,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:25,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:25,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:25,982 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-10-12 17:19:25,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-10-12 17:19:25,986 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 17:19:25,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:25,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:25,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:25,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:25,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:25,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:26,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:26,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:26,021 INFO L229 MonitoredProcess]: Starting monitored process 17 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 17:19:26,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-10-12 17:19:26,026 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 17:19:26,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:26,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:26,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:26,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:26,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:26,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:26,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:26,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:26,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:26,057 INFO L229 MonitoredProcess]: Starting monitored process 18 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 17:19:26,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-10-12 17:19:26,067 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 17:19:26,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:26,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:26,075 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:19:26,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:26,102 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:19:26,103 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:19:26,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:19:26,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:26,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:26,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:26,148 INFO L229 MonitoredProcess]: Starting monitored process 19 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 17:19:26,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-10-12 17:19:26,152 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 17:19:26,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:19:26,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:19:26,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:19:26,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:19:26,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:19:26,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:19:26,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:19:26,193 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-10-12 17:19:26,193 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-10-12 17:19:26,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:19:26,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:19:26,197 INFO L229 MonitoredProcess]: Starting monitored process 20 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 17:19:26,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-10-12 17:19:26,208 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:19:26,225 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-10-12 17:19:26,225 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:19:26,225 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i3, N) = -1*i3 + 1*N Supporting invariants [-1*k + 1*N >= 0] [2023-10-12 17:19:26,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-10-12 17:19:26,235 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-10-12 17:19:26,256 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:19:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:26,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2023-10-12 17:19:26,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:19:26,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:19:26,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:19:26,309 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 17:19:26,310 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-10-12 17:19:26,311 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:26,620 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 605 transitions. [2023-10-12 17:19:26,621 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:19:27,124 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:19:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2023-10-12 17:19:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-10-12 17:19:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 304 transitions. [2023-10-12 17:19:27,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 304 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:19:27,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:27,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 304 transitions. Stem has 7 letters. Loop has 2 letters. [2023-10-12 17:19:27,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:27,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 304 transitions. Stem has 5 letters. Loop has 4 letters. [2023-10-12 17:19:27,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:19:27,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 104000 transitions, 935680 flow [2023-10-12 17:22:37,468 INFO L124 PetriNetUnfolderBase]: 107380/127690 cut-off events. [2023-10-12 17:22:37,468 INFO L125 PetriNetUnfolderBase]: For 13560/13560 co-relation queries the response was YES. [2023-10-12 17:22:37,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526502 conditions, 127690 events. 107380/127690 cut-off events. For 13560/13560 co-relation queries the response was YES. Maximal size of possible extension queue 3460. Compared 536710 event pairs, 245 based on Foata normal form. 0/69671 useless extension candidates. Maximal degree in co-relation 494920. Up to 45587 conditions per place. [2023-10-12 17:22:37,651 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 82 places, 104000 transitions, 935680 flow [2023-10-12 17:22:38,611 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 82 places, 104000 transitions, 935680 flow [2023-10-12 17:22:38,611 INFO L430 stractBuchiCegarLoop]: Abstraction has has 82 places, 104000 transitions, 935680 flow [2023-10-12 17:22:38,611 INFO L337 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-10-12 17:22:38,611 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 places, 104000 transitions, 935680 flow [2023-10-12 17:22:42,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,148 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:22:43,149 INFO L124 PetriNetUnfolderBase]: 816/1051 cut-off events. [2023-10-12 17:22:43,149 INFO L125 PetriNetUnfolderBase]: For 181/181 co-relation queries the response was YES. [2023-10-12 17:22:43,149 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:22:43,149 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [161] $Ultimate##0-->L100: Formula: (let ((.cse0 (select v_A_43 0))) (and (<= 0 v_k_28) (= .cse0 v_array_max_52) (= .cse0 v_array_min_50) (<= v_k_28 v_N_20))) InVars {A=v_A_43, N=v_N_20, k=v_k_28} OutVars{A=v_A_43, array_min=v_array_min_50, N=v_N_20, array_max=v_array_max_52, k=v_k_28} AuxVars[] AssignedVars[array_min, array_max] 62#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 64#[L100-1, $Ultimate##0]true [143] L100-1-->$Ultimate##0: Formula: (and (= 2 v_computeMin2Thread1of1ForFork3_thidvar0_2) (= 2 v_computeMin2Thread1of1ForFork3_thidvar1_2)) InVars {} OutVars{computeMin2Thread1of1ForFork3_thidvar0=v_computeMin2Thread1of1ForFork3_thidvar0_2, computeMin2Thread1of1ForFork3_thidvar1=v_computeMin2Thread1of1ForFork3_thidvar1_2} AuxVars[] AssignedVars[computeMin2Thread1of1ForFork3_thidvar0, computeMin2Thread1of1ForFork3_thidvar1] 115#[L101, $Ultimate##0, $Ultimate##0]true [146] L101-->$Ultimate##0: Formula: (and (= v_computeMax1Thread1of1ForFork4_thidvar2_2 3) (= v_computeMax1Thread1of1ForFork4_thidvar0_2 3) (= v_computeMax1Thread1of1ForFork4_thidvar1_2 3)) InVars {} OutVars{computeMax1Thread1of1ForFork4_thidvar0=v_computeMax1Thread1of1ForFork4_thidvar0_2, computeMax1Thread1of1ForFork4_thidvar1=v_computeMax1Thread1of1ForFork4_thidvar1_2, computeMax1Thread1of1ForFork4_thidvar2=v_computeMax1Thread1of1ForFork4_thidvar2_2} AuxVars[] AssignedVars[computeMax1Thread1of1ForFork4_thidvar0, computeMax1Thread1of1ForFork4_thidvar1, computeMax1Thread1of1ForFork4_thidvar2] 178#[$Ultimate##0, L102, $Ultimate##0, $Ultimate##0]true [134] L102-->$Ultimate##0: Formula: (and (= v_computeMax2Thread1of1ForFork0_thidvar1_2 4) (= v_computeMax2Thread1of1ForFork0_thidvar3_2 4) (= v_computeMax2Thread1of1ForFork0_thidvar2_2 4) (= v_computeMax2Thread1of1ForFork0_thidvar0_2 4)) InVars {} OutVars{computeMax2Thread1of1ForFork0_thidvar3=v_computeMax2Thread1of1ForFork0_thidvar3_2, computeMax2Thread1of1ForFork0_thidvar2=v_computeMax2Thread1of1ForFork0_thidvar2_2, computeMax2Thread1of1ForFork0_thidvar1=v_computeMax2Thread1of1ForFork0_thidvar1_2, computeMax2Thread1of1ForFork0_thidvar0=v_computeMax2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMax2Thread1of1ForFork0_thidvar3, computeMax2Thread1of1ForFork0_thidvar2, computeMax2Thread1of1ForFork0_thidvar1, computeMax2Thread1of1ForFork0_thidvar0] 262#[L103, $Ultimate##0, $Ultimate##0, $Ultimate##0, $Ultimate##0]true [117] $Ultimate##0-->L74-1: Formula: (= v_i4_1 (+ v_k_5 1)) InVars {k=v_k_5} OutVars{k=v_k_5, i4=v_i4_1} AuxVars[] AssignedVars[i4] 264#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:22:43,150 INFO L750 eck$LassoCheckResult]: Loop: 264#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [152] L74-1-->L74-1: Formula: (and (= v_array_max_18 (let ((.cse0 (select v_A_15 v_i4_15))) (ite (< v_array_max_19 .cse0) .cse0 v_array_max_19))) (= v_i4_14 (+ v_i4_15 1)) (< v_i4_15 v_N_8)) InVars {A=v_A_15, N=v_N_8, array_max=v_array_max_19, i4=v_i4_15} OutVars{A=v_A_15, N=v_N_8, array_max=v_array_max_18, i4=v_i4_14} AuxVars[] AssignedVars[array_max, i4] 264#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [152] L74-1-->L74-1: Formula: (and (= v_array_max_18 (let ((.cse0 (select v_A_15 v_i4_15))) (ite (< v_array_max_19 .cse0) .cse0 v_array_max_19))) (= v_i4_14 (+ v_i4_15 1)) (< v_i4_15 v_N_8)) InVars {A=v_A_15, N=v_N_8, array_max=v_array_max_19, i4=v_i4_15} OutVars{A=v_A_15, N=v_N_8, array_max=v_array_max_18, i4=v_i4_14} AuxVars[] AssignedVars[array_max, i4] 264#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [2023-10-12 17:22:43,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1335527326, now seen corresponding path program 1 times [2023-10-12 17:22:43,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:43,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13427967] [2023-10-12 17:22:43,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:43,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:43,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:43,160 INFO L85 PathProgramCache]: Analyzing trace with hash 5825, now seen corresponding path program 1 times [2023-10-12 17:22:43,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:43,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440044298] [2023-10-12 17:22:43,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:43,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:43,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash -753456354, now seen corresponding path program 1 times [2023-10-12 17:22:43,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:22:43,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52198764] [2023-10-12 17:22:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:22:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:22:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:22:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:22:43,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:22:43,396 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:22:43,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:22:43,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:22:43,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:22:43,397 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:22:43,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:22:43,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:22:43,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration4_Lasso [2023-10-12 17:22:43,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:22:43,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:22:43,401 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 17:22:43,404 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 17:22:43,406 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 17:22:43,409 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 17:22:43,411 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 17:22:43,413 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 17:22:43,416 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 17:22:43,418 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 17:22:43,421 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 17:22:43,424 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 17:22:43,426 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 17:22:43,772 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:22:43,772 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:22:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,775 INFO L229 MonitoredProcess]: Starting monitored process 21 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 17:22:43,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-10-12 17:22:43,785 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 17:22:43,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,818 INFO L229 MonitoredProcess]: Starting monitored process 22 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 17:22:43,829 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 17:22:43,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-10-12 17:22:43,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,861 INFO L229 MonitoredProcess]: Starting monitored process 23 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 17:22:43,869 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 17:22:43,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-10-12 17:22:43,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,910 INFO L229 MonitoredProcess]: Starting monitored process 24 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 17:22:43,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-10-12 17:22:43,914 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 17:22:43,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,929 INFO L229 MonitoredProcess]: Starting monitored process 25 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 17:22:43,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-10-12 17:22:43,932 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 17:22:43,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,949 INFO L229 MonitoredProcess]: Starting monitored process 26 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 17:22:43,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-10-12 17:22:43,953 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 17:22:43,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:43,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,967 INFO L229 MonitoredProcess]: Starting monitored process 27 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 17:22:43,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-10-12 17:22:43,970 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 17:22:43,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:43,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:43,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:43,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:43,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:43,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:43,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:43,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-10-12 17:22:43,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:43,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:43,995 INFO L229 MonitoredProcess]: Starting monitored process 28 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 17:22:44,002 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 17:22:44,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-10-12 17:22:44,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:44,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:44,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:44,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:44,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:44,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:44,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:44,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:44,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:44,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:44,027 INFO L229 MonitoredProcess]: Starting monitored process 29 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 17:22:44,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-10-12 17:22:44,030 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 17:22:44,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:44,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:44,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:44,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:44,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:44,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:44,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:44,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:44,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:44,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:44,070 INFO L229 MonitoredProcess]: Starting monitored process 30 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 17:22:44,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-10-12 17:22:44,074 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 17:22:44,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:44,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:44,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:44,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:44,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:44,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:44,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:22:44,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-10-12 17:22:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:44,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:44,113 INFO L229 MonitoredProcess]: Starting monitored process 31 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 17:22:44,123 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 17:22:44,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:22:44,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:22:44,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:22:44,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:22:44,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:22:44,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:22:44,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-10-12 17:22:44,148 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:22:44,161 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-10-12 17:22:44,161 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-10-12 17:22:44,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:22:44,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:22:44,164 INFO L229 MonitoredProcess]: Starting monitored process 32 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 17:22:44,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-10-12 17:22:44,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:22:44,190 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-10-12 17:22:44,190 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:22:44,190 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i4) = 1*N - 1*i4 Supporting invariants [] [2023-10-12 17:22:44,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-10-12 17:22:44,199 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:22:44,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:22:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:44,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:22:44,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:22:44,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-10-12 17:22:44,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:22:44,245 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 17:22:44,246 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 17:22:44,246 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 17:22:44,379 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 481 transitions. [2023-10-12 17:22:44,379 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:22:44,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-10-12 17:23:09,916 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:23:09,917 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 17:23:09,919 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 17:23:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 241 transitions. [2023-10-12 17:23:09,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 6 letters. Loop has 2 letters. [2023-10-12 17:23:09,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:09,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 8 letters. Loop has 2 letters. [2023-10-12 17:23:09,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:09,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 241 transitions. Stem has 6 letters. Loop has 4 letters. [2023-10-12 17:23:09,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:23:09,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 1617920 transitions, 17838080 flow Received shutdown request... [2023-10-12 17:23:26,805 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-10-12 17:23:26,937 WARN L144 chiPetriNetCegarLoop]: Unhandled de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.occured during abstraction size reduction. Continuing with non-reduced net [2023-10-12 17:23:26,937 INFO L430 stractBuchiCegarLoop]: Abstraction has has 96 places, 1617920 transitions, 17838080 flow [2023-10-12 17:23:26,937 INFO L337 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-10-12 17:23:26,937 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 places, 1617920 transitions, 17838080 flow [2023-10-12 17:23:27,596 WARN L343 stractBuchiCegarLoop]: Verification cancelled [2023-10-12 17:23:27,604 INFO L201 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:23:27 BoogieIcfgContainer [2023-10-12 17:23:27,604 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:23:27,605 INFO L158 Benchmark]: Toolchain (without parser) took 250444.44ms. Allocated memory was 190.8MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 139.0MB in the beginning and 2.8GB in the end (delta: -2.6GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2023-10-12 17:23:27,608 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.26ms. Allocated memory is still 190.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:23:27,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.80ms. Allocated memory is still 190.8MB. Free memory was 139.0MB in the beginning and 137.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:23:27,609 INFO L158 Benchmark]: Boogie Preprocessor took 31.41ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 136.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:23:27,609 INFO L158 Benchmark]: RCFGBuilder took 300.64ms. Allocated memory is still 190.8MB. Free memory was 136.3MB in the beginning and 124.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-10-12 17:23:27,609 INFO L158 Benchmark]: BuchiAutomizer took 250075.96ms. Allocated memory was 190.8MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 124.8MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2023-10-12 17:23:27,610 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 190.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.80ms. Allocated memory is still 190.8MB. Free memory was 139.0MB in the beginning and 137.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.41ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 136.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 300.64ms. Allocated memory is still 190.8MB. Free memory was 136.3MB in the beginning and 124.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 250075.96ms. Allocated memory was 190.8MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 124.8MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 4 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function k + -1 * i1 and consists of 3 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 4 locations. One deterministic module has affine ranking function -1 * i3 + N and consists of 6 locations. One deterministic module has affine ranking function N + -1 * i4 and consists of 4 locations. The remainder module has 17838080 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 249.9s and 5 iterations. TraceHistogramMax:0. Analysis of lassos took 3.6s. Construction of modules took 0.4s. Büchi inclusion checks took 26.6s. 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 3/3 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 704 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 701 mSDsluCounter, 764 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 808 IncrementalHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 406 mSDtfsCounter, 808 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital103 mio100 ax100 hnf100 lsp314 ukn27 mio100 lsp68 div100 bol100 ite100 ukn100 eq169 hnf96 smp98 dnf210 smp41 tf100 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 84ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 6 MotzkinApplications: 30 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing PetriNetUnfolderBuchi. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 51 PlacesBefore, 40 PlacesAfterwards, 40 TransitionsBefore, 29 TransitionsAfterwards, 730 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 767 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 563, independent: 545, independent conditional: 0, independent unconditional: 545, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 366, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 366, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 563, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 366, unknown conditional: 0, unknown unconditional: 366] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 134, Positive conditional cache size: 0, Positive unconditional cache size: 134, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2023-10-12 17:23:27,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 !SESSION 2023-10-12 17:19:14.279 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.18 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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/min-max-split-sample.bpl Command-line arguments: -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/min-max-split-sample.bpl !ENTRY org.eclipse.osgi 4 0 2023-10-12 17:23:27.891 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed065b34e/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed065b34e/.metadata/.log.