/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 --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -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 [2024-02-10 01:36:36,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:36:36,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:36:36,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:36:36,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:36:36,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:36:36,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:36:36,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:36:36,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:36:36,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:36:36,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:36:36,818 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:36:36,819 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:36:36,819 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:36:36,819 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:36:36,820 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:36:36,820 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:36:36,820 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:36:36,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:36:36,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:36:36,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:36:36,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:36:36,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:36:36,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:36:36,823 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:36:36,823 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:36:36,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:36:36,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:36:36,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:36:36,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:36:36,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:36:36,825 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:36:36,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:36:37,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:36:37,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:36:37,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:36:37,098 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-10 01:36:37,098 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-10 01:36:37,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl [2024-02-10 01:36:37,100 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl' [2024-02-10 01:36:37,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:36:37,123 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-10 01:36:37,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:36:37,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:36:37,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:36:37,133 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,154 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,168 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-10 01:36:37,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:36:37,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:36:37,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:36:37,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:36:37,187 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,187 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,196 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,196 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,218 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,222 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 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:36:37,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:36:37,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:36:37,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:36:37,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:36:37" (1/1) ... [2024-02-10 01:36:37,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:37,265 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) [2024-02-10 01:36:37,270 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 [2024-02-10 01:36:37,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin2 given in one single declaration [2024-02-10 01:36:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin2 [2024-02-10 01:36:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin2 [2024-02-10 01:36:37,299 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-10 01:36:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:36:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:36:37,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin1 given in one single declaration [2024-02-10 01:36:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin1 [2024-02-10 01:36:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin1 [2024-02-10 01:36:37,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax2 given in one single declaration [2024-02-10 01:36:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax2 [2024-02-10 01:36:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax2 [2024-02-10 01:36:37,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax1 given in one single declaration [2024-02-10 01:36:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax1 [2024-02-10 01:36:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax1 [2024-02-10 01:36:37,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2024-02-10 01:36:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2024-02-10 01:36:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2024-02-10 01:36:37,301 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:36:37,345 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:36:37,347 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:36:37,441 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:36:37,456 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:36:37,456 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-10 01:36:37,458 INFO L201 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:36:37 BoogieIcfgContainer [2024-02-10 01:36:37,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:36:37,459 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:36:37,459 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:36:37,475 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:36:37,476 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:36:37,476 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 01:36:37" (1/2) ... [2024-02-10 01:36:37,478 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54401ea4 and model type min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:36:37, skipping insertion in model container [2024-02-10 01:36:37,478 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:36:37,478 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 10.02 01:36:37" (2/2) ... [2024-02-10 01:36:37,480 INFO L332 chiAutomizerObserver]: Analyzing ICFG min-max-split-sample.bpl [2024-02-10 01:36:37,541 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-10 01:36:37,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 50 transitions, 132 flow [2024-02-10 01:36:37,582 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2024-02-10 01:36:37,583 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-10 01:36:37,587 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. [2024-02-10 01:36:37,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 50 transitions, 132 flow [2024-02-10 01:36:37,591 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 40 transitions, 107 flow [2024-02-10 01:36:37,596 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:36:37,596 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:36:37,596 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:36:37,596 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:36:37,596 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:36:37,596 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:36:37,596 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:36:37,597 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:36:37,597 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:36:37,597 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 51 places, 40 transitions, 107 flow [2024-02-10 01:36:37,899 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 4704 states, 4702 states have (on average 4.908336877924287) internal successors, (23079), 4703 states have internal predecessors, (23079), 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) [2024-02-10 01:36:37,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4704 states, 4702 states have (on average 4.908336877924287) internal successors, (23079), 4703 states have internal predecessors, (23079), 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) [2024-02-10 01:36:38,099 INFO L131 ngComponentsAnalysis]: Automaton has 784 accepting balls. 4456 [2024-02-10 01:36:38,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:36:38,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:36:38,104 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:36:38,104 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:36:38,104 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 51 places, 40 transitions, 107 flow [2024-02-10 01:36:38,239 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 4704 states, 4702 states have (on average 4.908336877924287) internal successors, (23079), 4703 states have internal predecessors, (23079), 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) [2024-02-10 01:36:38,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4704 states, 4702 states have (on average 4.908336877924287) internal successors, (23079), 4703 states have internal predecessors, (23079), 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) [2024-02-10 01:36:38,419 INFO L131 ngComponentsAnalysis]: Automaton has 784 accepting balls. 4456 [2024-02-10 01:36:38,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:36:38,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:36:38,430 INFO L748 eck$LassoCheckResult]: Stem: Black: 9469#[$Ultimate##0]don't care [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] 9472#[L97]don't care [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] 9474#[L98]don't care [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 9476#[L100]don't care [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] 9478#[L100-1, $Ultimate##0]don't care [112] $Ultimate##0-->L36-1: Formula: (= v_i1_2 0) InVars {} OutVars{i1=v_i1_2} AuxVars[] AssignedVars[i1] 9480#[L100-1, L36-1]don't care [2024-02-10 01:36:38,431 INFO L750 eck$LassoCheckResult]: Loop: 9480#[L100-1, L36-1]don't care [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[] 9488#[L100-1, L36]don't care [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] 9480#[L100-1, L36-1]don't care [2024-02-10 01:36:38,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash 127812647, now seen corresponding path program 1 times [2024-02-10 01:36:38,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:38,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97158459] [2024-02-10 01:36:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:38,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:38,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:38,548 INFO L85 PathProgramCache]: Analyzing trace with hash 4611, now seen corresponding path program 1 times [2024-02-10 01:36:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:38,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795822637] [2024-02-10 01:36:38,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:38,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:38,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1726094167, now seen corresponding path program 1 times [2024-02-10 01:36:38,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:38,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826487468] [2024-02-10 01:36:38,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:38,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:38,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:38,770 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:36:38,770 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:36:38,770 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:36:38,770 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:36:38,770 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:36:38,770 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:38,771 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:36:38,771 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:36:38,771 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration1_Lasso [2024-02-10 01:36:38,771 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:36:38,771 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:36:38,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:38,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:38,953 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:36:38,956 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:36:38,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:38,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:38,969 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) [2024-02-10 01:36:38,978 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 [2024-02-10 01:36:38,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:36:38,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:36:38,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:36:38,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:36:38,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:36:38,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:36:39,003 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 [2024-02-10 01:36:39,020 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:36:39,029 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-02-10 01:36:39,029 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-10 01:36:39,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:39,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:39,035 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) [2024-02-10 01:36:39,039 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:36:39,046 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 [2024-02-10 01:36:39,049 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:36:39,050 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:36:39,050 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i1, k) = -1*i1 + 1*k Supporting invariants [] [2024-02-10 01:36:39,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-02-10 01:36:39,057 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:36:39,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:36:39,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:36:39,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:36:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:36:39,102 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:36:39,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:36:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:36:39,158 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 [2024-02-10 01:36:39,160 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) [2024-02-10 01:36:39,353 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 [2024-02-10 01:36:39,354 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:36:39,355 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:36:39,366 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:36:39,366 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:36:39,368 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 [2024-02-10 01:36:39,375 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) [2024-02-10 01:36:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 247 transitions. [2024-02-10 01:36:39,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 5 letters. Loop has 2 letters. [2024-02-10 01:36:39,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:39,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 7 letters. Loop has 2 letters. [2024-02-10 01:36:39,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:39,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 5 letters. Loop has 4 letters. [2024-02-10 01:36:39,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:39,378 INFO L428 stractBuchiCegarLoop]: Abstraction has has 69 places, 1018 transitions, 4774 flow [2024-02-10 01:36:39,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:36:39,378 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:36:39,378 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 69 places, 1018 transitions, 4774 flow [2024-02-10 01:36:39,547 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 [2024-02-10 01:36:40,638 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 14884 states, 14874 states have (on average 6.514992604544843) internal successors, (96904), 14883 states have internal predecessors, (96904), 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) [2024-02-10 01:36:40,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14884 states, 14874 states have (on average 6.514992604544843) internal successors, (96904), 14883 states have internal predecessors, (96904), 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) [2024-02-10 01:36:41,094 INFO L131 ngComponentsAnalysis]: Automaton has 1726 accepting balls. 8644 [2024-02-10 01:36:41,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:36:41,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:36:41,097 INFO L748 eck$LassoCheckResult]: Stem: Black: 18933#[$Ultimate##0]don't care [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] Black: 18938#[L97]don't care [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] Black: 18946#[L98]don't care [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] Black: 18954#[L100]don't care [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] Black: 18962#[$Ultimate##0, L100-1]don't care [143] L100-1-->$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] Black: 18970#[L101, $Ultimate##0, $Ultimate##0]don't care [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] 18984#[L101, $Ultimate##0, L48-1]don't care [2024-02-10 01:36:41,097 INFO L750 eck$LassoCheckResult]: Loop: 18984#[L101, $Ultimate##0, L48-1]don't care [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[] Black: 19032#[L101, $Ultimate##0, L48]don't care [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] 18984#[L101, $Ultimate##0, L48-1]don't care [2024-02-10 01:36:41,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash -332774171, now seen corresponding path program 1 times [2024-02-10 01:36:41,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766047405] [2024-02-10 01:36:41,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:41,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 4451, now seen corresponding path program 1 times [2024-02-10 01:36:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585243311] [2024-02-10 01:36:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:41,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:41,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1968394937, now seen corresponding path program 1 times [2024-02-10 01:36:41,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:36:41,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543850648] [2024-02-10 01:36:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:36:41,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:36:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:36:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:36:41,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:36:41,242 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:36:41,243 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:36:41,243 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:36:41,243 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:36:41,243 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:36:41,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:41,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:36:41,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:36:41,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration2_Lasso [2024-02-10 01:36:41,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:36:41,243 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:36:41,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:41,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:41,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:41,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:36:41,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:36:41,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:36:41,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:41,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:41,454 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) [2024-02-10 01:36:41,459 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 [2024-02-10 01:36:41,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:36:41,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:36:41,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:36:41,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:36:41,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:36:41,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:36:41,473 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 [2024-02-10 01:36:41,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:36:41,488 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 [2024-02-10 01:36:41,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:41,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:41,489 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) [2024-02-10 01:36:41,495 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 [2024-02-10 01:36:41,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:36:41,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:36:41,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:36:41,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:36:41,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:36:41,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:36:41,512 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 [2024-02-10 01:36:41,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:36:41,528 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 [2024-02-10 01:36:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:41,529 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) [2024-02-10 01:36:41,534 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 [2024-02-10 01:36:41,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:36:41,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:36:41,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:36:41,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:36:41,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:36:41,551 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:36:41,556 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 [2024-02-10 01:36:41,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:36:41,575 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 01:36:41,575 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-02-10 01:36:41,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:36:41,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:36:41,577 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) [2024-02-10 01:36:41,584 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:36:41,593 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 [2024-02-10 01:36:41,603 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:36:41,603 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:36:41,603 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2024-02-10 01:36:41,609 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 [2024-02-10 01:36:41,610 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:36:41,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:36:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:36:41,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:36:41,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:36:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:36:41,646 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:36:41,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:36:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:36:41,661 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 [2024-02-10 01:36:41,661 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:36:41,759 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 9 states and 639 transitions.6 powerset states3 rank states. The highest rank that occured is 1 [2024-02-10 01:36:41,759 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:36:41,760 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:36:41,916 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 [2024-02-10 01:36:41,937 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:36:41,937 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:36:41,938 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 [2024-02-10 01:36:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-10 01:36:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 247 transitions. [2024-02-10 01:36:41,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 6 letters. Loop has 2 letters. [2024-02-10 01:36:41,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:41,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 8 letters. Loop has 2 letters. [2024-02-10 01:36:41,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:41,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 6 letters. Loop has 4 letters. [2024-02-10 01:36:41,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:36:41,940 INFO L428 stractBuchiCegarLoop]: Abstraction has has 87 places, 25896 transitions, 173628 flow [2024-02-10 01:36:41,940 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-02-10 01:36:41,940 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:36:41,940 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 87 places, 25896 transitions, 173628 flow [2024-02-10 01:37:53,006 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 41841 states, 41787 states have (on average 8.507095508172398) internal successors, (355486), 41840 states have internal predecessors, (355486), 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) [2024-02-10 01:37:53,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41841 states, 41787 states have (on average 8.507095508172398) internal successors, (355486), 41840 states have internal predecessors, (355486), 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) [2024-02-10 01:37:53,758 INFO L131 ngComponentsAnalysis]: Automaton has 1844 accepting balls. 8168 [2024-02-10 01:37:53,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:37:53,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:37:53,760 INFO L748 eck$LassoCheckResult]: Stem: Black: 58941#[$Ultimate##0]don't care [105] $Ultimate##0-->L97: Formula: (and (<= 0 v_k_2) (<= v_k_2 v_N_3)) InVars {k=v_k_2, N=v_N_3} OutVars{k=v_k_2, N=v_N_3} AuxVars[] AssignedVars[] Black: 58944#[L97]don't care [72] L97-->L98: Formula: (= (select v_A_2 0) v_array_min_3) InVars {A=v_A_2} OutVars{A=v_A_2, array_min=v_array_min_3} AuxVars[] AssignedVars[array_min] Black: 58955#[L98]don't care [67] L98-->L100: Formula: (= v_array_max_1 (select v_A_3 0)) InVars {A=v_A_3} OutVars{A=v_A_3, array_max=v_array_max_1} AuxVars[] AssignedVars[array_max] 58977#[L100]don't care [140] L100-->$Ultimate##0: Formula: (= v_computeMin1Thread1of1ForFork2_thidvar0_2 1) InVars {} OutVars{computeMin1Thread1of1ForFork2_thidvar0=v_computeMin1Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[computeMin1Thread1of1ForFork2_thidvar0] Black: 59001#[L100-1, $Ultimate##0]don't care [143] L100-1-->$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] 59021#[L101, $Ultimate##0, $Ultimate##0]don't care [146] L101-->$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] Black: 59054#[$Ultimate##0, $Ultimate##0, $Ultimate##0, L102]don't care [122] $Ultimate##0-->L61-1: Formula: (= v_i3_6 0) InVars {} OutVars{i3=v_i3_6} AuxVars[] AssignedVars[i3] 59134#[L61-1, $Ultimate##0, L102, $Ultimate##0]don't care [2024-02-10 01:37:53,761 INFO L750 eck$LassoCheckResult]: Loop: 59134#[L61-1, $Ultimate##0, L102, $Ultimate##0]don't care [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[] Black: 59378#[L61, $Ultimate##0, L102, $Ultimate##0]don't care [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] 59134#[L61-1, $Ultimate##0, L102, $Ultimate##0]don't care [2024-02-10 01:37:53,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:53,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1726063378, now seen corresponding path program 1 times [2024-02-10 01:37:53,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:53,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851872848] [2024-02-10 01:37:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:53,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 4931, now seen corresponding path program 1 times [2024-02-10 01:37:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:53,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723201513] [2024-02-10 01:37:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:53,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:53,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:53,795 INFO L85 PathProgramCache]: Analyzing trace with hash -889526032, now seen corresponding path program 1 times [2024-02-10 01:37:53,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:37:53,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135213663] [2024-02-10 01:37:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:37:53,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:37:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:37:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:37:53,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:37:53,903 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:37:53,903 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:37:53,903 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:37:53,903 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:37:53,903 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:37:53,903 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:53,903 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:37:53,903 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:37:53,903 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-split-sample.bpl_BEv2_Iteration3_Lasso [2024-02-10 01:37:53,903 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:37:53,903 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:37:53,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:53,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:37:54,031 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:37:54,031 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:37:54,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,034 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) [2024-02-10 01:37:54,035 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 [2024-02-10 01:37:54,056 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 [2024-02-10 01:37:54,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:54,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:54,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:54,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:54,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:54,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:54,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:54,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-10 01:37:54,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,087 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) [2024-02-10 01:37:54,090 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 [2024-02-10 01:37:54,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:54,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:54,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:54,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:54,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:54,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:54,104 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 [2024-02-10 01:37:54,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:54,122 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 [2024-02-10 01:37:54,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,123 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) [2024-02-10 01:37:54,131 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 [2024-02-10 01:37:54,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:54,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:54,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:54,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:54,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:54,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:54,148 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 [2024-02-10 01:37:54,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:54,162 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 [2024-02-10 01:37:54,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,163 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) [2024-02-10 01:37:54,171 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 [2024-02-10 01:37:54,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:54,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:54,178 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-02-10 01:37:54,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:54,188 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-02-10 01:37:54,188 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-02-10 01:37:54,192 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 [2024-02-10 01:37:54,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:37:54,228 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 [2024-02-10 01:37:54,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,230 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) [2024-02-10 01:37:54,235 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 [2024-02-10 01:37:54,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:37:54,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:37:54,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:37:54,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:37:54,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:37:54,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:37:54,251 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 [2024-02-10 01:37:54,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:37:54,266 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-02-10 01:37:54,266 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-02-10 01:37:54,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:37:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:37:54,269 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) [2024-02-10 01:37:54,271 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 [2024-02-10 01:37:54,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:37:54,288 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-02-10 01:37:54,289 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:37:54,289 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(k, i3) = 1*k - 1*i3 Supporting invariants [] [2024-02-10 01:37:54,295 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 [2024-02-10 01:37:54,295 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:37:54,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:37:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:54,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:37:54,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:37:54,339 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2024-02-10 01:37:54,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:37:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:37:54,350 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 [2024-02-10 01:37:54,351 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 01:37:54,445 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 [2024-02-10 01:37:54,446 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:37:54,446 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:37:55,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-02-10 01:37:59,836 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:37:59,836 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:37:59,836 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 [2024-02-10 01:37:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-02-10 01:37:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 247 transitions. [2024-02-10 01:37:59,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 7 letters. Loop has 2 letters. [2024-02-10 01:37:59,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:59,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 9 letters. Loop has 2 letters. [2024-02-10 01:37:59,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:59,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 247 transitions. Stem has 7 letters. Loop has 4 letters. [2024-02-10 01:37:59,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:37:59,838 INFO L428 stractBuchiCegarLoop]: Abstraction has has 105 places, 658424 transitions, 5741944 flow [2024-02-10 01:37:59,838 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-02-10 01:37:59,838 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:37:59,838 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 105 places, 658424 transitions, 5741944 flow Received shutdown request... [2024-02-10 01:40:43,984 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2024-02-10 01:40:43,989 INFO L201 PluginConnector]: Adding new model min-max-split-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.02 01:40:43 BoogieIcfgContainer [2024-02-10 01:40:43,989 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-10 01:40:43,990 INFO L158 Benchmark]: Toolchain (without parser) took 246866.79ms. Allocated memory was 178.3MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 113.6MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 5.5GB. Max. memory is 8.0GB. [2024-02-10 01:40:43,991 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:40:43,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.20ms. Allocated memory is still 178.3MB. Free memory was 113.6MB in the beginning and 147.4MB in the end (delta: -33.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2024-02-10 01:40:43,993 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 [2024-02-10 01:40:43,995 INFO L158 Benchmark]: Boogie Preprocessor took 54.84ms. Allocated memory was 178.3MB in the beginning and 270.5MB in the end (delta: 92.3MB). Free memory was 147.4MB in the beginning and 245.3MB in the end (delta: -97.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:40:43,995 INFO L158 Benchmark]: RCFGBuilder took 233.12ms. Allocated memory is still 270.5MB. Free memory was 245.3MB in the beginning and 233.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-02-10 01:40:43,997 INFO L158 Benchmark]: BuchiAutomizer took 246530.23ms. Allocated memory was 270.5MB in the beginning and 6.2GB in the end (delta: 5.9GB). Free memory was 233.5MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 5.5GB. Max. memory is 8.0GB. [2024-02-10 01:40:44,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.20ms. Allocated memory is still 178.3MB. Free memory was 113.6MB in the beginning and 147.4MB in the end (delta: -33.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.84ms. Allocated memory was 178.3MB in the beginning and 270.5MB in the end (delta: 92.3MB). Free memory was 147.4MB in the beginning and 245.3MB in the end (delta: -97.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 233.12ms. Allocated memory is still 270.5MB. Free memory was 245.3MB in the beginning and 233.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 246530.23ms. Allocated memory was 270.5MB in the beginning and 6.2GB in the end (delta: 5.9GB). Free memory was 233.5MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 5.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function k + -1 * i1 and consists of 5 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 5 locations. One deterministic module has affine ranking function -1 * i3 + k and consists of 5 locations. The remainder module has 5741944 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 246.4s and 4 iterations. TraceHistogramMax:0. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 5.9s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 430 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 427 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 289 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp118 ukn60 mio100 lsp56 div100 bol100 ite100 ukn100 eq171 hnf94 smp100 dnf147 smp64 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 4 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing BuchiPetriNet2FiniteAutomaton. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2024-02-10 01:40:44,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 !SESSION 2024-02-10 01:36:34.498 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl Command-line arguments: -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 --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-split-sample.bpl !ENTRY org.eclipse.osgi 4 0 2024-02-10 01:40:44.261 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a75f1346/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:190) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a75f1346/.metadata/.log.