/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:15,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:15,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:15,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:15,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:15,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:15,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:15,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:15,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:15,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:15,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:15,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-09-29 15:00:15,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:15,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:15,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:15,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-09-29 15:00:15,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:15,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:15,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:15,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:15,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:15,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:15,548 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:15,549 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:15,549 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:15,549 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:15,550 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:15,550 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:15,550 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:15,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:15,550 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:15,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:15,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:15,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:15,553 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:15,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:15,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:15,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:15,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:15,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:15,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:15,555 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:15,555 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:15,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:15,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:15,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:15,813 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:15,814 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:15,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs.bpl [2022-09-29 15:00:15,816 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs.bpl' [2022-09-29 15:00:15,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:15,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:15,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:15,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:15,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:15,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,935 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:15,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:15,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:15,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:15,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:15,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:15,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:15,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:15,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:15,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/1) ... [2022-09-29 15:00:15,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:15,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:15,978 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) [2022-09-29 15:00:15,986 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 [2022-09-29 15:00:16,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-09-29 15:00:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-09-29 15:00:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-09-29 15:00:16,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:16,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-09-29 15:00:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-09-29 15:00:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-09-29 15:00:16,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-09-29 15:00:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-09-29 15:00:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-09-29 15:00:16,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-09-29 15:00:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-09-29 15:00:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-09-29 15:00:16,014 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 15:00:16,049 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:16,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:16,138 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:16,144 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:16,145 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:16,147 INFO L202 PluginConnector]: Adding new model min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:16 BoogieIcfgContainer [2022-09-29 15:00:16,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:16,148 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:16,148 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:16,205 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:16,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:16,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:15" (1/2) ... [2022-09-29 15:00:16,207 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36dc29b2 and model type min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:16, skipping insertion in model container [2022-09-29 15:00:16,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:16,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:16" (2/2) ... [2022-09-29 15:00:16,209 INFO L322 chiAutomizerObserver]: Analyzing ICFG min-max-sample-abs.bpl [2022-09-29 15:00:16,330 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:00:16,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions, 108 flow [2022-09-29 15:00:16,420 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:16,420 INFO L123 PetriNetUnfolderBase]: 3/33 cut-off events. [2022-09-29 15:00:16,420 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:16,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 33 events. 3/33 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 87 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2022-09-29 15:00:16,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 41 transitions, 108 flow [2022-09-29 15:00:16,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 33 transitions, 84 flow [2022-09-29 15:00:16,434 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:16,459 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 33 transitions, 84 flow [2022-09-29 15:00:16,466 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 33 transitions, 84 flow [2022-09-29 15:00:16,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 33 transitions, 84 flow [2022-09-29 15:00:16,483 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:16,483 INFO L123 PetriNetUnfolderBase]: 3/33 cut-off events. [2022-09-29 15:00:16,483 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:16,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 33 events. 3/33 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 88 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2022-09-29 15:00:16,485 INFO L116 LiptonReduction]: Number of co-enabled transitions 618 [2022-09-29 15:00:16,907 INFO L131 LiptonReduction]: Checked pairs total: 552 [2022-09-29 15:00:16,908 INFO L133 LiptonReduction]: Total number of compositions: 14 [2022-09-29 15:00:16,926 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:16,926 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:16,926 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:16,926 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:16,926 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:16,926 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:16,927 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:16,928 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:16,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:17,017 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 102 [2022-09-29 15:00:17,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:17,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:17,021 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 15:00:17,021 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:17,022 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:17,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 174 states, but on-demand construction may add more states [2022-09-29 15:00:17,034 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 102 [2022-09-29 15:00:17,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:17,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:17,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 15:00:17,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:17,039 INFO L733 eck$LassoCheckResult]: Stem: 50#[ULTIMATE.startENTRY]don't care [104] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_14, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_i1, computeMinThread1of1ForFork0_thidvar0] 53#[computeMinENTRY, L77]don't care [125] computeMinENTRY-->L32-1: Formula: (and (= (select v_A_35 0) v_array_min_18) (= v_computeMinThread1of1ForFork0_i1_19 0)) InVars {A=v_A_35} OutVars{A=v_A_35, computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_19, array_min=v_array_min_18} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_i1, array_min] 57#[L77, L32-1]don't care [2022-09-29 15:00:17,039 INFO L735 eck$LassoCheckResult]: Loop: 57#[L77, L32-1]don't care [126] L32-1-->L32-1: Formula: (and (< v_computeMinThread1of1ForFork0_i1_26 v_N_21) (= v_computeMinThread1of1ForFork0_i1_25 (+ v_computeMinThread1of1ForFork0_i1_26 1)) (= v_array_min_28 (let ((.cse0 (let ((.cse1 (select v_A_43 v_computeMinThread1of1ForFork0_i1_26))) (ite (< .cse1 0) (- .cse1) .cse1)))) (ite (< v_array_min_29 .cse0) v_array_min_29 .cse0)))) InVars {A=v_A_43, computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_26, array_min=v_array_min_29, N=v_N_21} OutVars{A=v_A_43, computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_25, array_min=v_array_min_28, N=v_N_21} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_i1, array_min] 57#[L77, L32-1]don't care [2022-09-29 15:00:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:17,043 INFO L85 PathProgramCache]: Analyzing trace with hash 4310, now seen corresponding path program 1 times [2022-09-29 15:00:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:17,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545786298] [2022-09-29 15:00:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,106 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:17,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:17,127 INFO L85 PathProgramCache]: Analyzing trace with hash 157, now seen corresponding path program 1 times [2022-09-29 15:00:17,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:17,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289434806] [2022-09-29 15:00:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:17,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,140 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:17,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash 133736, now seen corresponding path program 1 times [2022-09-29 15:00:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:17,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3841808] [2022-09-29 15:00:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:17,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:17,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:17,397 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:17,398 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:17,398 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:17,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:17,399 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:17,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:17,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:17,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:17,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-sample-abs.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:17,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:17,400 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:17,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:17,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:17,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:17,721 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:17,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:17,729 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) [2022-09-29 15:00:17,730 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 [2022-09-29 15:00:17,732 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 [2022-09-29 15:00:17,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:17,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:17,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:17,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:17,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:17,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:17,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:17,783 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 [2022-09-29 15:00:17,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:17,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:17,784 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) [2022-09-29 15:00:17,785 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 [2022-09-29 15:00:17,787 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 [2022-09-29 15:00:17,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:17,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:17,794 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-09-29 15:00:17,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:17,830 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-09-29 15:00:17,830 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-09-29 15:00:17,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:17,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-09-29 15:00:17,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:17,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:17,887 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) [2022-09-29 15:00:17,888 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 [2022-09-29 15:00:17,889 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 [2022-09-29 15:00:17,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:17,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:17,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:17,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:17,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:17,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:17,935 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:17,951 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:00:17,952 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:17,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:17,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:17,967 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) [2022-09-29 15:00:18,006 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:18,014 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 [2022-09-29 15:00:18,025 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:18,025 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:18,026 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, computeMinThread1of1ForFork0_i1) = 1*N - 1*computeMinThread1of1ForFork0_i1 Supporting invariants [] [2022-09-29 15:00:18,074 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 [2022-09-29 15:00:18,077 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:18,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:18,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:18,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:18,132 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:18,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:00:18,171 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:00:18,173 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 174 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-09-29 15:00:18,288 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 174 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 464 states and 1932 transitions. Complement of second has 4 states. [2022-09-29 15:00:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-09-29 15:00:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-09-29 15:00:18,300 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 2 letters. Loop has 1 letters. [2022-09-29 15:00:18,301 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:18,301 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:18,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:18,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 15:00:18,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:18,302 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 464 states and 1932 transitions. [2022-09-29 15:00:18,330 INFO L131 ngComponentsAnalysis]: Automaton has 81 accepting balls. 81 [2022-09-29 15:00:18,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 464 states to 334 states and 1397 transitions. [2022-09-29 15:00:18,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2022-09-29 15:00:18,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2022-09-29 15:00:18,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 334 states and 1397 transitions. [2022-09-29 15:00:18,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:18,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 334 states and 1397 transitions. [2022-09-29 15:00:18,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states and 1397 transitions. [2022-09-29 15:00:18,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 263. [2022-09-29 15:00:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 263 states have (on average 4.380228136882129) internal successors, (1152), 262 states have internal predecessors, (1152), 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) [2022-09-29 15:00:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 1152 transitions. [2022-09-29 15:00:18,409 INFO L240 hiAutomatonCegarLoop]: Abstraction has 263 states and 1152 transitions. [2022-09-29 15:00:18,409 INFO L428 stractBuchiCegarLoop]: Abstraction has 263 states and 1152 transitions. [2022-09-29 15:00:18,409 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:18,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 263 states and 1152 transitions. [2022-09-29 15:00:18,413 INFO L131 ngComponentsAnalysis]: Automaton has 81 accepting balls. 81 [2022-09-29 15:00:18,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:18,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:18,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:18,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:18,414 INFO L733 eck$LassoCheckResult]: Stem: 1396#[ULTIMATE.startENTRY]don't care [104] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_14, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_i1, computeMinThread1of1ForFork0_thidvar0] 1308#[computeMinENTRY, L77]don't care [107] L77-->computeMaxENTRY: Formula: (and (= v_computeMaxThread1of1ForFork1_thidvar0_2 2) (= v_computeMaxThread1of1ForFork1_thidvar1_2 2)) InVars {} OutVars{computeMaxThread1of1ForFork1_i2=v_computeMaxThread1of1ForFork1_i2_14, computeMaxThread1of1ForFork1_thidvar0=v_computeMaxThread1of1ForFork1_thidvar0_2, computeMaxThread1of1ForFork1_thidvar1=v_computeMaxThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[computeMaxThread1of1ForFork1_i2, computeMaxThread1of1ForFork1_thidvar0, computeMaxThread1of1ForFork1_thidvar1] 1246#[L78, computeMinENTRY, computeMaxENTRY]don't care [124] computeMaxENTRY-->L46-1: Formula: (and (= (select v_A_29 0) v_array_max_26) (= v_computeMaxThread1of1ForFork1_i2_25 0)) InVars {A=v_A_29} OutVars{A=v_A_29, computeMaxThread1of1ForFork1_i2=v_computeMaxThread1of1ForFork1_i2_25, array_max=v_array_max_26} AuxVars[] AssignedVars[computeMaxThread1of1ForFork1_i2, array_max] 1248#[L46-1, L78, computeMinENTRY]don't care [2022-09-29 15:00:18,415 INFO L735 eck$LassoCheckResult]: Loop: 1248#[L46-1, L78, computeMinENTRY]don't care [128] L46-1-->L46-1: Formula: (and (< v_computeMaxThread1of1ForFork1_i2_36 v_N_23) (= v_computeMaxThread1of1ForFork1_i2_35 (+ v_computeMaxThread1of1ForFork1_i2_36 1)) (= v_array_max_38 (let ((.cse0 (let ((.cse1 (select v_A_47 v_computeMaxThread1of1ForFork1_i2_36))) (ite (< .cse1 0) (- .cse1) .cse1)))) (ite (< v_array_max_39 .cse0) .cse0 v_array_max_39)))) InVars {A=v_A_47, N=v_N_23, computeMaxThread1of1ForFork1_i2=v_computeMaxThread1of1ForFork1_i2_36, array_max=v_array_max_39} OutVars{A=v_A_47, N=v_N_23, computeMaxThread1of1ForFork1_i2=v_computeMaxThread1of1ForFork1_i2_35, array_max=v_array_max_38} AuxVars[] AssignedVars[computeMaxThread1of1ForFork1_i2, array_max] 1248#[L46-1, L78, computeMinENTRY]don't care [2022-09-29 15:00:18,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:18,415 INFO L85 PathProgramCache]: Analyzing trace with hash 133176, now seen corresponding path program 1 times [2022-09-29 15:00:18,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:18,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570135653] [2022-09-29 15:00:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,421 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:18,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:18,427 INFO L85 PathProgramCache]: Analyzing trace with hash 159, now seen corresponding path program 1 times [2022-09-29 15:00:18,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:18,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193846578] [2022-09-29 15:00:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:18,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,435 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:18,441 INFO L85 PathProgramCache]: Analyzing trace with hash 4128584, now seen corresponding path program 1 times [2022-09-29 15:00:18,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:18,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827685502] [2022-09-29 15:00:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:18,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:18,561 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 [2022-09-29 15:00:18,689 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:18,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:18,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:18,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:18,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:18,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:18,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:18,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:18,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-sample-abs.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:18,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:18,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:18,693 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:18,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:18,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:18,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:18,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:18,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:18,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:18,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:18,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:18,939 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) [2022-09-29 15:00:18,940 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 [2022-09-29 15:00:18,942 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 [2022-09-29 15:00:18,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:18,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:18,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:18,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:18,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:18,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:18,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:18,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:18,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:18,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:18,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,002 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) [2022-09-29 15:00:19,003 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 [2022-09-29 15:00:19,049 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 [2022-09-29 15:00:19,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,055 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-09-29 15:00:19,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,070 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2022-09-29 15:00:19,070 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-09-29 15:00:19,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:19,121 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 [2022-09-29 15:00:19,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,123 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) [2022-09-29 15:00:19,130 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 [2022-09-29 15:00:19,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,145 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 [2022-09-29 15:00:19,156 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:19,164 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:19,164 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,168 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) [2022-09-29 15:00:19,169 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 [2022-09-29 15:00:19,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:19,192 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:19,192 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:19,192 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(computeMaxThread1of1ForFork1_i2, N) = -1*computeMaxThread1of1ForFork1_i2 + 1*N Supporting invariants [] [2022-09-29 15:00:19,219 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 [2022-09-29 15:00:19,220 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:19,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:19,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:19,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:19,247 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:19,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:00:19,248 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:00:19,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 263 states and 1152 transitions. cyclomatic complexity: 1007 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:19,319 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 263 states and 1152 transitions. cyclomatic complexity: 1007. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 767 states and 3519 transitions. Complement of second has 4 states. [2022-09-29 15:00:19,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-09-29 15:00:19,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:19,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:19,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:19,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:19,325 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 767 states and 3519 transitions. [2022-09-29 15:00:19,338 INFO L131 ngComponentsAnalysis]: Automaton has 45 accepting balls. 45 [2022-09-29 15:00:19,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 767 states to 517 states and 2345 transitions. [2022-09-29 15:00:19,347 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2022-09-29 15:00:19,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 280 [2022-09-29 15:00:19,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 517 states and 2345 transitions. [2022-09-29 15:00:19,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:19,349 INFO L218 hiAutomatonCegarLoop]: Abstraction has 517 states and 2345 transitions. [2022-09-29 15:00:19,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states and 2345 transitions. [2022-09-29 15:00:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 400. [2022-09-29 15:00:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 400 states have (on average 4.68) internal successors, (1872), 399 states have internal predecessors, (1872), 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) [2022-09-29 15:00:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 1872 transitions. [2022-09-29 15:00:19,392 INFO L240 hiAutomatonCegarLoop]: Abstraction has 400 states and 1872 transitions. [2022-09-29 15:00:19,392 INFO L428 stractBuchiCegarLoop]: Abstraction has 400 states and 1872 transitions. [2022-09-29 15:00:19,392 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:19,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 400 states and 1872 transitions. [2022-09-29 15:00:19,397 INFO L131 ngComponentsAnalysis]: Automaton has 45 accepting balls. 45 [2022-09-29 15:00:19,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:19,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:19,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:19,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:19,399 INFO L733 eck$LassoCheckResult]: Stem: 2845#[ULTIMATE.startENTRY]don't care [104] ULTIMATE.startENTRY-->computeMinENTRY: Formula: (= v_computeMinThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{computeMinThread1of1ForFork0_i1=v_computeMinThread1of1ForFork0_i1_14, computeMinThread1of1ForFork0_thidvar0=v_computeMinThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[computeMinThread1of1ForFork0_i1, computeMinThread1of1ForFork0_thidvar0] 2669#[computeMinENTRY, L77]don't care [107] L77-->computeMaxENTRY: Formula: (and (= v_computeMaxThread1of1ForFork1_thidvar0_2 2) (= v_computeMaxThread1of1ForFork1_thidvar1_2 2)) InVars {} OutVars{computeMaxThread1of1ForFork1_i2=v_computeMaxThread1of1ForFork1_i2_14, computeMaxThread1of1ForFork1_thidvar0=v_computeMaxThread1of1ForFork1_thidvar0_2, computeMaxThread1of1ForFork1_thidvar1=v_computeMaxThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[computeMaxThread1of1ForFork1_i2, computeMaxThread1of1ForFork1_thidvar0, computeMaxThread1of1ForFork1_thidvar1] 2587#[L78, computeMinENTRY, computeMaxENTRY]don't care [110] L78-->sampleENTRY: Formula: (and (= v_sampleThread1of1ForFork2_thidvar0_2 3) (= v_sampleThread1of1ForFork2_thidvar2_2 3) (= v_sampleThread1of1ForFork2_thidvar1_2 3)) InVars {} OutVars{sampleThread1of1ForFork2_diff=v_sampleThread1of1ForFork2_diff_4, sampleThread1of1ForFork2_min_l=v_sampleThread1of1ForFork2_min_l_6, sampleThread1of1ForFork2_thidvar0=v_sampleThread1of1ForFork2_thidvar0_2, sampleThread1of1ForFork2_thidvar2=v_sampleThread1of1ForFork2_thidvar2_2, sampleThread1of1ForFork2_max_l=v_sampleThread1of1ForFork2_max_l_6, sampleThread1of1ForFork2_thidvar1=v_sampleThread1of1ForFork2_thidvar1_2} AuxVars[] AssignedVars[sampleThread1of1ForFork2_diff, sampleThread1of1ForFork2_min_l, sampleThread1of1ForFork2_thidvar0, sampleThread1of1ForFork2_thidvar2, sampleThread1of1ForFork2_max_l, sampleThread1of1ForFork2_thidvar1] 2593#[L79, computeMaxENTRY, sampleENTRY, computeMinENTRY]don't care [113] L79-->mapAbsENTRY: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 2243#[computeMaxENTRY, mapAbsENTRY, computeMinENTRY, sampleENTRY, L80]don't care [85] mapAbsENTRY-->L58-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 2245#[computeMaxENTRY, sampleENTRY, computeMinENTRY, L58-1, L80]don't care [2022-09-29 15:00:19,399 INFO L735 eck$LassoCheckResult]: Loop: 2245#[computeMaxENTRY, sampleENTRY, computeMinENTRY, L58-1, L80]don't care [129] L58-1-->L58-1: Formula: (and (< v_mapAbsThread1of1ForFork3_j_32 v_N_31) (= v_A_61 (store v_A_62 v_mapAbsThread1of1ForFork3_j_32 (let ((.cse0 (select v_A_62 v_mapAbsThread1of1ForFork3_j_32))) (ite (< .cse0 0) (- .cse0) .cse0)))) (= v_mapAbsThread1of1ForFork3_j_31 (+ v_mapAbsThread1of1ForFork3_j_32 1))) InVars {A=v_A_62, N=v_N_31, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_32} OutVars{A=v_A_61, N=v_N_31, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_31} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 2245#[computeMaxENTRY, sampleENTRY, computeMinENTRY, L58-1, L80]don't care [2022-09-29 15:00:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash 127972270, now seen corresponding path program 1 times [2022-09-29 15:00:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180961355] [2022-09-29 15:00:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash 160, now seen corresponding path program 1 times [2022-09-29 15:00:19,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296597630] [2022-09-29 15:00:19,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,440 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:19,452 INFO L85 PathProgramCache]: Analyzing trace with hash -327826797, now seen corresponding path program 1 times [2022-09-29 15:00:19,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:19,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902049591] [2022-09-29 15:00:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:19,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,475 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:19,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:19,568 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:19,568 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:19,568 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:19,568 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:19,568 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:19,568 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,568 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:19,568 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:19,568 INFO L133 ssoRankerPreferences]: Filename of dumped script: min-max-sample-abs.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:00:19,568 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:19,568 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:19,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,580 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:19,741 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:19,741 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:19,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,742 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) [2022-09-29 15:00:19,745 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 [2022-09-29 15:00:19,751 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 [2022-09-29 15:00:19,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:19,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:19,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:19,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:19,794 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 [2022-09-29 15:00:19,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,797 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) [2022-09-29 15:00:19,800 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 [2022-09-29 15:00:19,801 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 [2022-09-29 15:00:19,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:19,853 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 [2022-09-29 15:00:19,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,855 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) [2022-09-29 15:00:19,856 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 [2022-09-29 15:00:19,857 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 [2022-09-29 15:00:19,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:19,910 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 [2022-09-29 15:00:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,912 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) [2022-09-29 15:00:19,915 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 [2022-09-29 15:00:19,916 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 [2022-09-29 15:00:19,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:19,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:19,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:19,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:19,966 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:19,974 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 [2022-09-29 15:00:19,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:19,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:19,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:19,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:19,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:00:19,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:19,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:19,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,027 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:20,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:00:20,029 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 [2022-09-29 15:00:20,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:20,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:20,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,077 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:20,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:00:20,082 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 [2022-09-29 15:00:20,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:20,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:20,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:20,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,139 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 [2022-09-29 15:00:20,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,141 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:20,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:00:20,144 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 [2022-09-29 15:00:20,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:20,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:20,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:20,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,200 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:20,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:00:20,206 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 [2022-09-29 15:00:20,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:20,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:20,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:20,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:20,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:20,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:20,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:20,242 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:20,242 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:20,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:20,248 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:20,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:00:20,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:20,258 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:20,258 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:20,258 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(mapAbsThread1of1ForFork3_j, N) = -1*mapAbsThread1of1ForFork3_j + 1*N Supporting invariants [] [2022-09-29 15:00:20,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,276 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:20,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:20,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:20,314 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:20,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:00:20,315 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:00:20,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 400 states and 1872 transitions. cyclomatic complexity: 1604 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:20,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 400 states and 1872 transitions. cyclomatic complexity: 1604. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 861 states and 3828 transitions. Complement of second has 4 states. [2022-09-29 15:00:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-09-29 15:00:20,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:20,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:20,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 43 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:20,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:20,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 861 states and 3828 transitions. [2022-09-29 15:00:20,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:20,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 861 states to 0 states and 0 transitions. [2022-09-29 15:00:20,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:20,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:20,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:20,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:20,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:20,382 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:20,382 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:20,382 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:00:20,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:20,383 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:20,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:20,388 INFO L202 PluginConnector]: Adding new model min-max-sample-abs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:20 BoogieIcfgContainer [2022-09-29 15:00:20,388 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:20,389 INFO L158 Benchmark]: Toolchain (without parser) took 4485.19ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 137.6MB in the beginning and 196.7MB in the end (delta: -59.1MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2022-09-29 15:00:20,389 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.18ms. Allocated memory is still 184.5MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:20,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.35ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 135.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:20,390 INFO L158 Benchmark]: Boogie Preprocessor took 14.16ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:20,390 INFO L158 Benchmark]: RCFGBuilder took 195.07ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 125.7MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:20,391 INFO L158 Benchmark]: BuchiAutomizer took 4240.85ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 125.4MB in the beginning and 196.7MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:20,392 INFO L339 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 0.18ms. Allocated memory is still 184.5MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.35ms. Allocated memory is still 184.5MB. Free memory was 137.4MB in the beginning and 135.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 14.16ms. Allocated memory is still 184.5MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 195.07ms. Allocated memory is still 184.5MB. Free memory was 134.8MB in the beginning and 125.7MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 4240.85ms. Allocated memory was 184.5MB in the beginning and 251.7MB in the end (delta: 67.1MB). Free memory was 125.4MB in the beginning and 196.7MB in the end (delta: -71.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i1 and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i2 and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 188 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital84 mio100 ax100 hnf100 lsp255 ukn21 mio100 lsp88 div100 bol100 ite100 ukn100 eq165 hnf96 smp100 dnf241 smp56 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 84ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 43 PlacesBefore, 29 PlacesAfterwards, 33 TransitionsBefore, 19 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 552 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 455, positive conditional: 0, positive unconditional: 455, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 370, positive: 358, positive conditional: 0, positive unconditional: 358, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 370, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 370, unknown conditional: 0, unknown unconditional: 370] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:00:20,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:20,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...