/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:53:47,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:53:47,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:53:47,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:53:47,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:53:47,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:53:47,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:53:47,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:53:47,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:53:47,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:53:47,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:53:47,251 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:53:47,252 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:53:47,253 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:53:47,253 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:53:47,253 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:53:47,253 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:53:47,253 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:53:47,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:53:47,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:53:47,254 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:53:47,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:53:47,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:53:47,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:53:47,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:53:47,257 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:53:47,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:53:47,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:53:47,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:53:47,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:53:47,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:53:47,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:53:47,258 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:53:47,258 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2024-02-09 23:53:47,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:53:47,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:53:47,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:53:47,547 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:53:47,548 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:53:47,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl [2024-02-09 23:53:47,549 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl' [2024-02-09 23:53:47,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:53:47,586 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:53:47,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:53:47,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:53:47,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:53:47,597 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,605 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,642 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:53:47,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:53:47,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:53:47,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:53:47,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:53:47,663 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,663 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,664 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,664 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,666 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,668 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,669 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,670 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 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:53:47,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:53:47,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:53:47,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:53:47,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:47" (1/1) ... [2024-02-09 23:53:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:47,730 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) [2024-02-09 23:53:47,746 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 [2024-02-09 23:53:47,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin2 given in one single declaration [2024-02-09 23:53:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin2 [2024-02-09 23:53:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin2 [2024-02-09 23:53:47,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:53:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:53:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:53:47,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin1 given in one single declaration [2024-02-09 23:53:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin1 [2024-02-09 23:53:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin1 [2024-02-09 23:53:47,785 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax2 given in one single declaration [2024-02-09 23:53:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax2 [2024-02-09 23:53:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax2 [2024-02-09 23:53:47,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax1 given in one single declaration [2024-02-09 23:53:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax1 [2024-02-09 23:53:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax1 [2024-02-09 23:53:47,786 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2024-02-09 23:53:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2024-02-09 23:53:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2024-02-09 23:53:47,787 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:53:47,845 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:53:47,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:53:48,030 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:53:48,050 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:53:48,050 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 23:53:48,052 INFO L201 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:53:48 BoogieIcfgContainer [2024-02-09 23:53:48,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:53:48,053 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:53:48,053 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:53:48,055 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:53:48,056 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:53:48,056 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:53:47" (1/2) ... [2024-02-09 23:53:48,057 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@690880eb and model type min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:53:48, skipping insertion in model container [2024-02-09 23:53:48,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:53:48,057 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 09.02 11:53:48" (2/2) ... [2024-02-09 23:53:48,058 INFO L332 chiAutomizerObserver]: Analyzing ICFG min-max-split-sample.bpl [2024-02-09 23:53:48,119 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-09 23:53:48,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 50 transitions, 132 flow [2024-02-09 23:53:48,157 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2024-02-09 23:53:48,157 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-09 23:53:48,161 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. [2024-02-09 23:53:48,161 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 50 transitions, 132 flow [2024-02-09 23:53:48,165 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 40 transitions, 107 flow [2024-02-09 23:53:48,170 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:53:48,170 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:53:48,170 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:53:48,170 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:53:48,170 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:53:48,170 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:53:48,170 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:53:48,170 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-09 23:53:48,171 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 places, 40 transitions, 107 flow [2024-02-09 23:53:48,175 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:53:48,175 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-02-09 23:53:48,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-09 23:53:48,175 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:53:48,178 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:53:48,178 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 51 places, 40 transitions, 107 flow [2024-02-09 23:53:48,180 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:53:48,180 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-02-09 23:53:48,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-09 23:53:48,180 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:53:48,184 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] 62#[L97]true [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] 64#[L98]true [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 66#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 68#[L100-1, $Ultimate##0]true [112] $Ultimate##0-->L36-1: Formula: (= v_i1_2 0) InVars {} OutVars{i1=v_i1_2} AuxVars[] AssignedVars[i1] 70#[L100-1, L36-1]true [2024-02-09 23:53:48,184 INFO L750 eck$LassoCheckResult]: Loop: 70#[L100-1, L36-1]true [114] L36-1-->L36: Formula: (< v_i1_3 v_k_4) InVars {i1=v_i1_3, k=v_k_4} OutVars{i1=v_i1_3, k=v_k_4} AuxVars[] AssignedVars[] 73#[L36, L100-1]true [116] L36-->L36-1: Formula: (and (= (let ((.cse0 (select v_A_11 v_i1_9))) (ite (< v_array_min_15 .cse0) v_array_min_15 .cse0)) v_array_min_14) (= (+ v_i1_9 1) v_i1_8)) InVars {A=v_A_11, i1=v_i1_9, array_min=v_array_min_15} OutVars{A=v_A_11, i1=v_i1_8, array_min=v_array_min_14} AuxVars[] AssignedVars[array_min, i1] 70#[L100-1, L36-1]true [2024-02-09 23:53:48,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:48,188 INFO L85 PathProgramCache]: Analyzing trace with hash 127812647, now seen corresponding path program 1 times [2024-02-09 23:53:48,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:48,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636001869] [2024-02-09 23:53:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:48,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:48,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:48,267 INFO L85 PathProgramCache]: Analyzing trace with hash 4611, now seen corresponding path program 1 times [2024-02-09 23:53:48,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:48,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103769099] [2024-02-09 23:53:48,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:48,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:48,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:48,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1726094167, now seen corresponding path program 1 times [2024-02-09 23:53:48,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:48,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696181320] [2024-02-09 23:53:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:48,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,294 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:48,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:48,471 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:53:48,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:53:48,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:53:48,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:53:48,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:53:48,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:48,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:53:48,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:53:48,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration1_Lasso [2024-02-09 23:53:48,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:53:48,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:53:48,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:48,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:48,722 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:53:48,725 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:53:48,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:48,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:48,737 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) [2024-02-09 23:53:48,738 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 [2024-02-09 23:53:48,740 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 [2024-02-09 23:53:48,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:48,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:48,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:48,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:48,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:48,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:48,789 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:53:48,800 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-09 23:53:48,800 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-09 23:53:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:48,813 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) [2024-02-09 23:53:48,815 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 [2024-02-09 23:53:48,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:53:48,826 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:53:48,827 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:53:48,827 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, k) = -1*i1 + 1*k Supporting invariants [] [2024-02-09 23:53:48,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-09 23:53:48,837 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-09 23:53:48,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:48,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:53:48,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:48,882 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:53:48,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:53:48,922 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 [2024-02-09 23:53:48,925 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:53:49,095 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 639 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:53:49,096 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:53:49,097 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:53:49,108 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:53:49,109 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:53:49,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:53:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-09 23:53:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 247 transitions. [2024-02-09 23:53:49,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 5 letters. Loop has 2 letters. [2024-02-09 23:53:49,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:49,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 7 letters. Loop has 2 letters. [2024-02-09 23:53:49,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:49,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-09 23:53:49,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:49,128 INFO L428 stractBuchiCegarLoop]: Abstraction has has 69 places, 1018 transitions, 4774 flow [2024-02-09 23:53:49,128 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-09 23:53:49,128 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 69 places, 1018 transitions, 4774 flow [2024-02-09 23:53:49,172 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:53:49,172 INFO L124 PetriNetUnfolderBase]: 92/143 cut-off events. [2024-02-09 23:53:49,173 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-02-09 23:53:49,173 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:53:49,174 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] 62#[L97]true [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] 64#[L98]true [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 66#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 68#[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] 145#[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] 147#[L101, L48-1, $Ultimate##0]true [109] L48-1-->L48: Formula: (< v_i2_2 v_N_1) InVars {i2=v_i2_2, N=v_N_1} OutVars{i2=v_i2_2, N=v_N_1} AuxVars[] AssignedVars[] 149#[L101, L48, $Ultimate##0]true [111] L48-->L48-1: Formula: (and (= v_i2_8 (+ v_i2_9 1)) (= (let ((.cse0 (select v_A_7 v_i2_9))) (ite (< v_array_min_11 .cse0) v_array_min_11 .cse0)) v_array_min_10)) InVars {A=v_A_7, i2=v_i2_9, array_min=v_array_min_11} OutVars{A=v_A_7, i2=v_i2_8, array_min=v_array_min_10} AuxVars[] AssignedVars[array_min, i2] 147#[L101, L48-1, $Ultimate##0]true [2024-02-09 23:53:49,174 INFO L750 eck$LassoCheckResult]: Loop: 147#[L101, L48-1, $Ultimate##0]true [109] L48-1-->L48: Formula: (< v_i2_2 v_N_1) InVars {i2=v_i2_2, N=v_N_1} OutVars{i2=v_i2_2, N=v_N_1} AuxVars[] AssignedVars[] 149#[L101, L48, $Ultimate##0]true [111] L48-->L48-1: Formula: (and (= v_i2_8 (+ v_i2_9 1)) (= (let ((.cse0 (select v_A_7 v_i2_9))) (ite (< v_array_min_11 .cse0) v_array_min_11 .cse0)) v_array_min_10)) InVars {A=v_A_7, i2=v_i2_9, array_min=v_array_min_11} OutVars{A=v_A_7, i2=v_i2_8, array_min=v_array_min_10} AuxVars[] AssignedVars[array_min, i2] 147#[L101, L48-1, $Ultimate##0]true [2024-02-09 23:53:49,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:49,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1968394937, now seen corresponding path program 1 times [2024-02-09 23:53:49,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:49,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423030506] [2024-02-09 23:53:49,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:49,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 4451, now seen corresponding path program 1 times [2024-02-09 23:53:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:49,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501395494] [2024-02-09 23:53:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:49,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:49,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1841920727, now seen corresponding path program 2 times [2024-02-09 23:53:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:49,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906463283] [2024-02-09 23:53:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:49,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:49,391 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:53:49,391 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:53:49,391 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:53:49,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:53:49,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:53:49,392 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,392 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:53:49,392 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:53:49,392 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration2_Lasso [2024-02-09 23:53:49,392 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:53:49,392 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:53:49,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:49,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:49,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:49,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:49,601 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:53:49,602 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:53:49,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:49,603 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) [2024-02-09 23:53:49,616 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 [2024-02-09 23:53:49,617 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 [2024-02-09 23:53:49,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:49,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:49,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:49,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:49,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:49,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:49,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:49,651 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 [2024-02-09 23:53:49,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:49,653 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) [2024-02-09 23:53:49,658 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 [2024-02-09 23:53:49,670 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 [2024-02-09 23:53:49,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:49,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:49,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:49,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:49,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:49,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:49,691 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 [2024-02-09 23:53:49,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:49,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-09 23:53:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:49,702 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) [2024-02-09 23:53:49,705 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 [2024-02-09 23:53:49,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:49,711 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-02-09 23:53:49,712 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:53:49,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:49,723 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-02-09 23:53:49,724 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:53:49,728 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 [2024-02-09 23:53:49,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:49,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-02-09 23:53:49,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:49,752 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) [2024-02-09 23:53:49,767 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 [2024-02-09 23:53:49,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:49,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:49,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:49,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:49,776 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 [2024-02-09 23:53:49,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:49,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:49,793 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:53:49,797 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-09 23:53:49,797 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-09 23:53:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:49,813 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) [2024-02-09 23:53:49,815 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 [2024-02-09 23:53:49,816 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:53:49,845 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:53:49,845 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:53:49,845 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2024-02-09 23:53:49,870 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 [2024-02-09 23:53:49,876 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:53:49,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:49,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:53:49,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:49,919 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:53:49,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:53:49,929 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 [2024-02-09 23:53:49,930 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-02-09 23:53:50,027 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 639 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:53:50,027 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:53:50,027 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:53:50,113 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:53:50,113 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:53:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-02-09 23:53:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-02-09 23:53:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 247 transitions. [2024-02-09 23:53:50,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 8 letters. Loop has 2 letters. [2024-02-09 23:53:50,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:50,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 10 letters. Loop has 2 letters. [2024-02-09 23:53:50,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:50,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 8 letters. Loop has 4 letters. [2024-02-09 23:53:50,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:50,116 INFO L428 stractBuchiCegarLoop]: Abstraction has has 87 places, 25896 transitions, 173628 flow [2024-02-09 23:53:50,116 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-09 23:53:50,116 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 87 places, 25896 transitions, 173628 flow [2024-02-09 23:53:50,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-02-09 23:53:50,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:53:50,465 INFO L124 PetriNetUnfolderBase]: 573/750 cut-off events. [2024-02-09 23:53:50,465 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2024-02-09 23:53:50,465 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:53:50,465 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] 62#[L97]true [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] 64#[L98]true [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 66#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 68#[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] 145#[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] 229#[$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] 231#[L102, $Ultimate##0, L61-1, $Ultimate##0]true [124] L61-1-->L61: Formula: (< v_i3_1 v_k_6) InVars {i3=v_i3_1, k=v_k_6} OutVars{i3=v_i3_1, k=v_k_6} AuxVars[] AssignedVars[] 233#[L102, $Ultimate##0, L61, $Ultimate##0]true [126] L61-->L61-1: Formula: (and (= v_i3_8 (+ v_i3_9 1)) (= (let ((.cse0 (select v_A_13 v_i3_9))) (ite (< v_array_max_15 .cse0) .cse0 v_array_max_15)) v_array_max_14)) InVars {A=v_A_13, array_max=v_array_max_15, i3=v_i3_9} OutVars{A=v_A_13, array_max=v_array_max_14, i3=v_i3_8} AuxVars[] AssignedVars[array_max, i3] 231#[L102, $Ultimate##0, L61-1, $Ultimate##0]true [2024-02-09 23:53:50,465 INFO L750 eck$LassoCheckResult]: Loop: 231#[L102, $Ultimate##0, L61-1, $Ultimate##0]true [124] L61-1-->L61: Formula: (< v_i3_1 v_k_6) InVars {i3=v_i3_1, k=v_k_6} OutVars{i3=v_i3_1, k=v_k_6} AuxVars[] AssignedVars[] 233#[L102, $Ultimate##0, L61, $Ultimate##0]true [126] L61-->L61-1: Formula: (and (= v_i3_8 (+ v_i3_9 1)) (= (let ((.cse0 (select v_A_13 v_i3_9))) (ite (< v_array_max_15 .cse0) .cse0 v_array_max_15)) v_array_max_14)) InVars {A=v_A_13, array_max=v_array_max_15, i3=v_i3_9} OutVars{A=v_A_13, array_max=v_array_max_14, i3=v_i3_8} AuxVars[] AssignedVars[array_max, i3] 231#[L102, $Ultimate##0, L61-1, $Ultimate##0]true [2024-02-09 23:53:50,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:50,466 INFO L85 PathProgramCache]: Analyzing trace with hash -889526032, now seen corresponding path program 1 times [2024-02-09 23:53:50,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:50,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011363553] [2024-02-09 23:53:50,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:50,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:50,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:50,478 INFO L85 PathProgramCache]: Analyzing trace with hash 4931, now seen corresponding path program 1 times [2024-02-09 23:53:50,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:50,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793549695] [2024-02-09 23:53:50,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:50,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:50,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:50,483 INFO L85 PathProgramCache]: Analyzing trace with hash -136020878, now seen corresponding path program 2 times [2024-02-09 23:53:50,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:53:50,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919104263] [2024-02-09 23:53:50,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:53:50,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:53:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:53:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:53:50,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:53:50,634 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:53:50,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:53:50,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:53:50,635 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:53:50,635 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:53:50,635 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,635 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:53:50,635 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:53:50,635 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration3_Lasso [2024-02-09 23:53:50,635 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:53:50,635 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:53:50,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:53:50,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:53:50,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:53:50,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:50,786 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) [2024-02-09 23:53:50,788 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 [2024-02-09 23:53:50,789 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 [2024-02-09 23:53:50,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:50,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:50,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:50,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:50,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:50,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:50,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:50,820 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 [2024-02-09 23:53:50,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:50,822 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) [2024-02-09 23:53:50,827 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 [2024-02-09 23:53:50,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:50,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:50,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:50,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:50,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:50,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:50,839 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 [2024-02-09 23:53:50,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:50,853 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 [2024-02-09 23:53:50,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:50,855 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) [2024-02-09 23:53:50,862 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 [2024-02-09 23:53:50,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:50,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:50,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:50,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:50,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:50,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:50,879 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 [2024-02-09 23:53:50,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:53:50,893 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 [2024-02-09 23:53:50,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:50,905 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) [2024-02-09 23:53:50,911 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 [2024-02-09 23:53:50,912 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 [2024-02-09 23:53:50,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:53:50,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:53:50,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:53:50,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:53:50,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:53:50,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:53:50,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:53:50,948 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-02-09 23:53:50,948 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-02-09 23:53:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:53:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:53:50,957 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) [2024-02-09 23:53:50,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:53:50,970 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 [2024-02-09 23:53:50,981 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-02-09 23:53:50,981 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:53:50,981 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i3, N) = -1*i3 + 1*N Supporting invariants [1*N - 1*k >= 0] [2024-02-09 23:53:50,987 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 [2024-02-09 23:53:50,991 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:53:51,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:53:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:51,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2024-02-09 23:53:51,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:53:51,089 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-09 23:53:51,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:53:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:53:51,108 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 [2024-02-09 23:53:51,108 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-02-09 23:53:51,308 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 12 states and 838 transitions.8 powerset states4 rank states. The highest rank that occured is 1 [2024-02-09 23:53:51,309 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:53:51,309 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:53:51,387 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 [2024-02-09 23:53:58,917 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-09 23:53:58,918 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-09 23:53:58,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2024-02-09 23:53:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-02-09 23:53:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 298 transitions. [2024-02-09 23:53:58,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 298 transitions. Stem has 9 letters. Loop has 2 letters. [2024-02-09 23:53:58,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:58,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 298 transitions. Stem has 11 letters. Loop has 2 letters. [2024-02-09 23:53:58,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:58,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 298 transitions. Stem has 9 letters. Loop has 4 letters. [2024-02-09 23:53:58,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-09 23:53:58,923 INFO L428 stractBuchiCegarLoop]: Abstraction has has 111 places, 864240 transitions, 7534488 flow [2024-02-09 23:53:58,923 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-09 23:53:58,923 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 places, 864240 transitions, 7534488 flow [2024-02-09 23:55:01,487 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-09 23:55:01,487 INFO L124 PetriNetUnfolderBase]: 5135/5896 cut-off events. [2024-02-09 23:55:01,487 INFO L125 PetriNetUnfolderBase]: For 485/485 co-relation queries the response was YES. [2024-02-09 23:55:01,487 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-09 23:55:01,491 INFO L748 eck$LassoCheckResult]: Stem: 60#[$Ultimate##0]true [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] 62#[L97]true [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] 64#[L98]true [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 66#[L100]true [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 68#[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] 145#[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] 229#[$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] 332#[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] 334#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [119] L74-1-->L74: Formula: (< v_i4_2 v_N_4) InVars {N=v_N_4, i4=v_i4_2} OutVars{N=v_N_4, i4=v_i4_2} AuxVars[] AssignedVars[] 336#[L103, $Ultimate##0, L74, $Ultimate##0, $Ultimate##0]true [121] L74-->L74-1: Formula: (and (= (let ((.cse0 (select v_A_9 v_i4_9))) (ite (< v_array_max_11 .cse0) .cse0 v_array_max_11)) v_array_max_10) (= (+ v_i4_9 1) v_i4_8)) InVars {A=v_A_9, array_max=v_array_max_11, i4=v_i4_9} OutVars{A=v_A_9, array_max=v_array_max_10, i4=v_i4_8} AuxVars[] AssignedVars[array_max, i4] 334#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [2024-02-09 23:55:01,491 INFO L750 eck$LassoCheckResult]: Loop: 334#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [119] L74-1-->L74: Formula: (< v_i4_2 v_N_4) InVars {N=v_N_4, i4=v_i4_2} OutVars{N=v_N_4, i4=v_i4_2} AuxVars[] AssignedVars[] 336#[L103, $Ultimate##0, L74, $Ultimate##0, $Ultimate##0]true [121] L74-->L74-1: Formula: (and (= (let ((.cse0 (select v_A_9 v_i4_9))) (ite (< v_array_max_11 .cse0) .cse0 v_array_max_11)) v_array_max_10) (= (+ v_i4_9 1) v_i4_8)) InVars {A=v_A_9, array_max=v_array_max_11, i4=v_i4_9} OutVars{A=v_A_9, array_max=v_array_max_10, i4=v_i4_8} AuxVars[] AssignedVars[array_max, i4] 334#[L103, $Ultimate##0, L74-1, $Ultimate##0, $Ultimate##0]true [2024-02-09 23:55:01,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:55:01,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1805152547, now seen corresponding path program 1 times [2024-02-09 23:55:01,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:55:01,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623960027] [2024-02-09 23:55:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:55:01,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:55:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:55:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:55:01,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:55:01,521 INFO L85 PathProgramCache]: Analyzing trace with hash 4771, now seen corresponding path program 1 times [2024-02-09 23:55:01,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:55:01,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900337776] [2024-02-09 23:55:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:55:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:55:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:55:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:55:01,573 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:55:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash 415193727, now seen corresponding path program 2 times [2024-02-09 23:55:01,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:55:01,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323783866] [2024-02-09 23:55:01,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:55:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:55:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:55:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:55:01,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:55:01,769 INFO L210 LassoAnalysis]: Preferences: [2024-02-09 23:55:01,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-09 23:55:01,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-09 23:55:01,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-09 23:55:01,770 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-09 23:55:01,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:01,770 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-09 23:55:01,770 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-09 23:55:01,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration4_Lasso [2024-02-09 23:55:01,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-09 23:55:01,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-09 23:55:01,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-09 23:55:01,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-09 23:55:01,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-09 23:55:01,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:01,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:01,985 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) [2024-02-09 23:55:01,986 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 [2024-02-09 23:55:02,004 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 [2024-02-09 23:55:02,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,052 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 [2024-02-09 23:55:02,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,061 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) [2024-02-09 23:55:02,066 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 [2024-02-09 23:55:02,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,077 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 [2024-02-09 23:55:02,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,090 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 [2024-02-09 23:55:02,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,094 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) [2024-02-09 23:55:02,095 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 [2024-02-09 23:55:02,096 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 [2024-02-09 23:55:02,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,114 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 [2024-02-09 23:55:02,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,115 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) [2024-02-09 23:55:02,116 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 [2024-02-09 23:55:02,117 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 [2024-02-09 23:55:02,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,130 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 [2024-02-09 23:55:02,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,131 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) [2024-02-09 23:55:02,134 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 [2024-02-09 23:55:02,134 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 [2024-02-09 23:55:02,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-02-09 23:55:02,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,148 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) [2024-02-09 23:55:02,151 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 [2024-02-09 23:55:02,152 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 [2024-02-09 23:55:02,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,178 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 [2024-02-09 23:55:02,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,179 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) [2024-02-09 23:55:02,181 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 [2024-02-09 23:55:02,181 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 [2024-02-09 23:55:02,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-02-09 23:55:02,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,203 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) [2024-02-09 23:55:02,207 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 [2024-02-09 23:55:02,207 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 [2024-02-09 23:55:02,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,221 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 [2024-02-09 23:55:02,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,222 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) [2024-02-09 23:55:02,224 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 [2024-02-09 23:55:02,225 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 [2024-02-09 23:55:02,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,241 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 [2024-02-09 23:55:02,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,242 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) [2024-02-09 23:55:02,244 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 [2024-02-09 23:55:02,244 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 [2024-02-09 23:55:02,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-02-09 23:55:02,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,259 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) [2024-02-09 23:55:02,260 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 [2024-02-09 23:55:02,271 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 [2024-02-09 23:55:02,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,277 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-02-09 23:55:02,277 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-09 23:55:02,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,283 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-02-09 23:55:02,283 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-09 23:55:02,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-09 23:55:02,323 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 [2024-02-09 23:55:02,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,324 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) [2024-02-09 23:55:02,326 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 [2024-02-09 23:55:02,327 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 [2024-02-09 23:55:02,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-09 23:55:02,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-09 23:55:02,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-09 23:55:02,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-09 23:55:02,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-09 23:55:02,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-09 23:55:02,352 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-09 23:55:02,356 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-09 23:55:02,356 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-09 23:55:02,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:55:02,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:55:02,357 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) [2024-02-09 23:55:02,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-09 23:55:02,381 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 [2024-02-09 23:55:02,389 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-09 23:55:02,389 INFO L513 LassoAnalysis]: Proved termination. [2024-02-09 23:55:02,389 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i4, N) = -1*i4 + 1*N Supporting invariants [] [2024-02-09 23:55:02,392 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 [2024-02-09 23:55:02,394 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-02-09 23:55:02,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:55:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:55:02,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-09 23:55:02,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:55:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-09 23:55:02,433 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-09 23:55:02,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-09 23:55:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-09 23:55:02,441 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 [2024-02-09 23:55:02,442 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-02-09 23:55:02,508 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 639 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-09 23:55:02,508 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-09 23:55:02,508 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-09 23:55:03,065 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 Received shutdown request... [2024-02-09 23:56:50,138 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 [2024-02-09 23:56:51,160 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown