/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/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:05,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:05,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:05,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:05,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:05,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:05,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:05,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:05,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:05,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:05,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:05,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:05,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:05,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:05,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:05,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:05,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:05,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:05,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:05,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:05,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:05,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:05,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:05,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:05,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:05,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:05,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:05,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:05,529 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 15:00:05,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:05,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:05,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:05,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:05,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:05,547 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:05,547 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:05,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:05,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:05,549 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:05,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:05,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:05,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:05,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:05,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:05,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:05,550 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:05,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:05,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:05,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:05,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:05,768 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:05,771 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:05,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2022-09-29 15:00:05,773 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2022-09-29 15:00:05,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:05,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:05,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:05,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:05,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:05,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,818 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:05,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:05,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:05,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:05,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:05,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:05,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:05,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:05,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:05,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/1) ... [2022-09-29 15:00:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:05,860 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 15:00:05,865 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 15:00:05,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:00:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:00:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:00:05,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:00:05,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:00:05,906 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:05,907 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 15:00:05,957 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:05,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:06,072 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:06,077 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:06,077 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:06,078 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:06 BoogieIcfgContainer [2022-09-29 15:00:06,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:06,079 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:06,079 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:06,089 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:06,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:06,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:05" (1/2) ... [2022-09-29 15:00:06,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13794b1b and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:06, skipping insertion in model container [2022-09-29 15:00:06,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:06,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:06" (2/2) ... [2022-09-29 15:00:06,092 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-aggr-update1.bpl [2022-09-29 15:00:06,188 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:00:06,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:00:06,228 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:06,229 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:00:06,229 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:06,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:00:06,231 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 40 transitions, 104 flow [2022-09-29 15:00:06,235 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,238 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:06,249 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,251 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 34 transitions, 86 flow [2022-09-29 15:00:06,257 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:06,257 INFO L123 PetriNetUnfolderBase]: 5/34 cut-off events. [2022-09-29 15:00:06,258 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:06,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 34 events. 5/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-09-29 15:00:06,261 INFO L116 LiptonReduction]: Number of co-enabled transitions 456 [2022-09-29 15:00:06,758 INFO L131 LiptonReduction]: Checked pairs total: 380 [2022-09-29 15:00:06,759 INFO L133 LiptonReduction]: Total number of compositions: 18 [2022-09-29 15:00:06,772 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:06,773 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:06,773 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:06,773 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:06,773 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:06,773 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:06,773 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:06,773 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:06,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:06,802 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:06,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:06,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:06,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:06,806 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:06,806 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:06,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2022-09-29 15:00:06,810 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:06,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:06,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:06,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:06,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:06,814 INFO L733 eck$LassoCheckResult]: Stem: 45#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 48#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 50#[L34-1, thread1ENTRY]don't care [88] thread1ENTRY-->L51-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2022-09-29 15:00:06,815 INFO L735 eck$LassoCheckResult]: Loop: 54#[L51-1, L34-1]don't care [138] L51-1-->L51-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_28 v_N_26) (= v_A_31 (store v_A_32 v_thread1Thread1of1ForFork0_i_28 (let ((.cse0 (select v_A_32 v_thread1Thread1of1ForFork0_i_28))) (ite (< .cse0 0) 0 .cse0)))) (= (+ v_thread1Thread1of1ForFork0_i_28 1) v_thread1Thread1of1ForFork0_i_27)) InVars {A=v_A_32, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_28} OutVars{A=v_A_31, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_27} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 54#[L51-1, L34-1]don't care [2022-09-29 15:00:06,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash 104527, now seen corresponding path program 1 times [2022-09-29 15:00:06,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:06,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305268867] [2022-09-29 15:00:06,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,874 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:06,892 INFO L85 PathProgramCache]: Analyzing trace with hash 169, now seen corresponding path program 1 times [2022-09-29 15:00:06,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:06,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753388838] [2022-09-29 15:00:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:06,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:06,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 3240475, now seen corresponding path program 1 times [2022-09-29 15:00:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:06,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757808580] [2022-09-29 15:00:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:06,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:06,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,079 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:07,079 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:07,079 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:07,079 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:07,079 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:07,080 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,080 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:07,080 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:07,080 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:07,080 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:07,080 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:07,096 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 15:00:07,118 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 15:00:07,151 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:07,155 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:07,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,157 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 15:00:07,158 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 15:00:07,159 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 15:00:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:07,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:07,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:07,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:07,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:07,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:07,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:07,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:07,194 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 15:00:07,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,195 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 15:00:07,197 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 15:00:07,198 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 15:00:07,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:07,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:07,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:07,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:07,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:07,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:07,231 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:07,272 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:00:07,272 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:07,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,275 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 15:00:07,276 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 15:00:07,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:07,300 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:07,301 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:07,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:00:07,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:07,322 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:07,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:07,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:07,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:07,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:07,371 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 15:00:07,395 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 15:00:07,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states 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 15:00:07,461 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 55 states, but on-demand construction may add more states. 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 144 states and 490 transitions. Complement of second has 4 states. [2022-09-29 15:00:07,463 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 15:00:07,466 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 15:00:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-09-29 15:00:07,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:07,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:07,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:07,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:07,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:07,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:07,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2022-09-29 15:00:07,476 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:07,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2022-09-29 15:00:07,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-09-29 15:00:07,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:07,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2022-09-29 15:00:07,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:07,486 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2022-09-29 15:00:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2022-09-29 15:00:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2022-09-29 15:00:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 3.5853658536585367) internal successors, (294), 81 states have internal predecessors, (294), 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 15:00:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2022-09-29 15:00:07,522 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:07,522 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:07,522 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:07,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2022-09-29 15:00:07,524 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:07,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:07,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:07,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:07,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:07,525 INFO L733 eck$LassoCheckResult]: Stem: 426#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 428#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 472#[L34-1, thread1ENTRY]don't care [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 454#[thread2ENTRY, thread1ENTRY, L35]don't care [132] thread2ENTRY-->L65-1: Formula: (and (= v_thread2Thread1of1ForFork1_j_41 0) (= v_thread2Thread1of1ForFork1_cnt_23 0)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_41, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_23} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 456#[thread1ENTRY, L65-1, L35]don't care [2022-09-29 15:00:07,525 INFO L735 eck$LassoCheckResult]: Loop: 456#[thread1ENTRY, L65-1, L35]don't care [141] L65-1-->L65-1: Formula: (and (let ((.cse1 (< 0 (select v_A_39 v_thread2Thread1of1ForFork1_j_58))) (.cse0 (< v_thread2Thread1of1ForFork1_j_58 v_N_30))) (or (and .cse0 .cse1 (= (+ v_thread2Thread1of1ForFork1_cnt_47 1) v_thread2Thread1of1ForFork1_cnt_46)) (and (not .cse1) (= v_thread2Thread1of1ForFork1_cnt_47 v_thread2Thread1of1ForFork1_cnt_46) .cse0))) (let ((.cse2 (= v_thread2Thread1of1ForFork1_j_57 (+ v_thread2Thread1of1ForFork1_j_58 1))) (.cse3 (< 0 (select v_B_35 v_thread2Thread1of1ForFork1_j_58)))) (or (and .cse2 .cse3 (= (+ v_thread2Thread1of1ForFork1_cnt_46 1) v_thread2Thread1of1ForFork1_cnt_45)) (and .cse2 (not .cse3) (= v_thread2Thread1of1ForFork1_cnt_46 v_thread2Thread1of1ForFork1_cnt_45))))) InVars {thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_58, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_47, B=v_B_35} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_57, A=v_A_39, N=v_N_30, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_45, B=v_B_35} AuxVars[v_thread2Thread1of1ForFork1_cnt_46] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_cnt] 456#[thread1ENTRY, L65-1, L35]don't care [2022-09-29 15:00:07,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,526 INFO L85 PathProgramCache]: Analyzing trace with hash 3241368, now seen corresponding path program 1 times [2022-09-29 15:00:07,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679743285] [2022-09-29 15:00:07,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,530 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,533 INFO L85 PathProgramCache]: Analyzing trace with hash 172, now seen corresponding path program 1 times [2022-09-29 15:00:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782174687] [2022-09-29 15:00:07,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,538 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash 100482549, now seen corresponding path program 1 times [2022-09-29 15:00:07,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:07,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949261514] [2022-09-29 15:00:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:07,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,551 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:07,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:07,710 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:07,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:07,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:07,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:07,711 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:07,711 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,711 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:07,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:07,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:07,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:07,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:07,715 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 15:00:07,718 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 15:00:07,721 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 15:00:07,802 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 15:00:07,805 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 15:00:07,957 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:07,958 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:07,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:07,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:07,964 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 15:00:07,965 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 15:00:07,966 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 15:00:07,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:07,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:07,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:07,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:07,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:07,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:08,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,021 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 15:00:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,023 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 15:00:08,024 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 15:00:08,025 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 15:00:08,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:08,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:08,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:08,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,069 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 15:00:08,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,076 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 15:00:08,079 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 15:00:08,080 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 15:00:08,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,087 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-09-29 15:00:08,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,118 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2022-09-29 15:00:08,119 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-09-29 15:00:08,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,174 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 15:00:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,176 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 15:00:08,179 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 15:00:08,180 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 15:00:08,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:08,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:08,204 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:08,214 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:00:08,215 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:08,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,272 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 15:00:08,273 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 15:00:08,274 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:08,284 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:08,284 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:08,284 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_j, N) = -1*thread2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2022-09-29 15:00:08,301 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 15:00:08,302 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:08,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,327 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 15:00:08,328 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 15:00:08,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 15:00:08,370 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 294 transitions. cyclomatic complexity: 248. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 224 states and 842 transitions. Complement of second has 4 states. [2022-09-29 15:00:08,370 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 15:00:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 15:00:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-09-29 15:00:08,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:08,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:08,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:08,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2022-09-29 15:00:08,383 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:08,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2022-09-29 15:00:08,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2022-09-29 15:00:08,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:08,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2022-09-29 15:00:08,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:08,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2022-09-29 15:00:08,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2022-09-29 15:00:08,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2022-09-29 15:00:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 3.8189655172413794) internal successors, (443), 115 states have internal predecessors, (443), 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 15:00:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2022-09-29 15:00:08,403 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:08,403 INFO L428 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:08,403 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:08,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2022-09-29 15:00:08,404 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:08,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:08,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:08,405 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:08,405 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:08,405 INFO L733 eck$LassoCheckResult]: Stem: 869#[ULTIMATE.startENTRY]don't care [74] ULTIMATE.startENTRY-->L34: Formula: (and (< v_ULTIMATE.start_m_3 v_N_7) (<= 0 v_ULTIMATE.start_m_3)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_3, N=v_N_7} AuxVars[] AssignedVars[] 871#[L34]don't care [114] L34-->thread1ENTRY: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_14} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_i] 933#[L34-1, thread1ENTRY]don't care [117] L34-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_j=v_thread2Thread1of1ForFork1_j_20, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_cnt=v_thread2Thread1of1ForFork1_cnt_12, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_j, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_cnt, thread2Thread1of1ForFork1_thidvar1] 909#[thread2ENTRY, thread1ENTRY, L35]don't care [120] L35-->thread3ENTRY: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0, thread3Thread1of1ForFork2_k] 901#[thread1ENTRY, thread3ENTRY, thread2ENTRY, L36]don't care [106] thread3ENTRY-->L83-1: Formula: (= v_thread3Thread1of1ForFork2_k_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k] 907#[thread1ENTRY, L83-1, thread2ENTRY, L36]don't care [2022-09-29 15:00:08,405 INFO L735 eck$LassoCheckResult]: Loop: 907#[thread1ENTRY, L83-1, thread2ENTRY, L36]don't care [136] L83-1-->L83-1: Formula: (and (= v_thread3Thread1of1ForFork2_k_27 (+ v_thread3Thread1of1ForFork2_k_28 1)) (= (store v_B_32 v_thread3Thread1of1ForFork2_k_28 v_thread3Thread1of1ForFork2_k_28) v_B_31) (< v_thread3Thread1of1ForFork2_k_28 v_N_22)) InVars {N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_28, B=v_B_32} OutVars{N=v_N_22, thread3Thread1of1ForFork2_k=v_thread3Thread1of1ForFork2_k_27, B=v_B_31} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_k, B] 907#[thread1ENTRY, L83-1, thread2ENTRY, L36]don't care [2022-09-29 15:00:08,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,406 INFO L85 PathProgramCache]: Analyzing trace with hash 100482142, now seen corresponding path program 1 times [2022-09-29 15:00:08,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649095915] [2022-09-29 15:00:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,412 INFO L85 PathProgramCache]: Analyzing trace with hash 167, now seen corresponding path program 1 times [2022-09-29 15:00:08,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57883892] [2022-09-29 15:00:08,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,415 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1180020758, now seen corresponding path program 1 times [2022-09-29 15:00:08,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:08,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918486819] [2022-09-29 15:00:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,422 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:08,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:08,470 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 15:00:08,510 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 15:00:08,511 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:08,511 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:08,511 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:08,511 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:08,511 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:08,511 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:08,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:08,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-aggr-update1.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:00:08,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:08,512 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:08,512 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 15:00:08,514 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 15:00:08,523 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 15:00:08,526 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 15:00:08,529 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 15:00:08,536 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 15:00:08,538 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 15:00:08,541 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 15:00:08,545 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 15:00:08,547 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 15:00:08,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:08,616 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:08,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,618 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 15:00:08,622 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 15:00:08,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:08,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:08,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:08,632 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 15:00:08,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,667 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 15:00:08,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,669 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 15:00:08,675 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 15:00:08,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:08,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:08,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:08,685 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 15:00:08,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:08,715 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 15:00:08,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,717 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 15:00:08,718 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 15:00:08,719 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 15:00:08,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:08,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:08,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:08,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:08,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:08,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:08,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:08,754 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:00:08,754 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:08,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:08,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:08,756 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 15:00:08,761 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 15:00:08,761 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:08,780 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:08,780 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:08,780 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_k, N) = -1*thread3Thread1of1ForFork2_k + 1*N Supporting invariants [] [2022-09-29 15:00:08,799 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 15:00:08,800 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:08,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:08,825 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:08,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:08,825 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 15:00:08,827 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 15:00:08,827 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367 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 15:00:08,866 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 443 transitions. cyclomatic complexity: 367. 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 232 states and 840 transitions. Complement of second has 4 states. [2022-09-29 15:00:08,866 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 15:00:08,867 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 15:00:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-09-29 15:00:08,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:08,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:08,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:08,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:08,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 840 transitions. [2022-09-29 15:00:08,871 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:08,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:08,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:08,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:08,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:00:08,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:08,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:08,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:08,877 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:08 BoogieIcfgContainer [2022-09-29 15:00:08,877 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:08,879 INFO L158 Benchmark]: Toolchain (without parser) took 3081.89ms. Allocated memory was 191.9MB in the beginning and 260.0MB in the end (delta: 68.2MB). Free memory was 146.4MB in the beginning and 201.7MB in the end (delta: -55.3MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2022-09-29 15:00:08,879 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:08,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.95ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 144.9MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:08,883 INFO L158 Benchmark]: Boogie Preprocessor took 17.21ms. Allocated memory is still 191.9MB. Free memory was 144.8MB in the beginning and 143.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:08,883 INFO L158 Benchmark]: RCFGBuilder took 240.07ms. Allocated memory is still 191.9MB. Free memory was 143.7MB in the beginning and 134.5MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:08,884 INFO L158 Benchmark]: BuchiAutomizer took 2798.42ms. Allocated memory was 191.9MB in the beginning and 260.0MB in the end (delta: 68.2MB). Free memory was 134.4MB in the beginning and 201.7MB in the end (delta: -67.3MB). Peak memory consumption was 1.2MB. Max. memory is 8.0GB. [2022-09-29 15:00:08,887 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 0.14ms. Allocated memory is still 191.9MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.95ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 144.9MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.21ms. Allocated memory is still 191.9MB. Free memory was 144.8MB in the beginning and 143.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 240.07ms. Allocated memory is still 191.9MB. Free memory was 143.7MB in the beginning and 134.5MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2798.42ms. Allocated memory was 191.9MB in the beginning and 260.0MB in the end (delta: 68.2MB). Free memory was 134.4MB in the beginning and 201.7MB in the end (delta: -67.3MB). Peak memory consumption was 1.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 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, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf100 lsp142 ukn46 mio100 lsp93 div100 bol100 ite100 ukn100 eq155 hnf95 smp100 dnf137 smp77 tf100 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 85ms VariablesStem: 1 VariablesLoop: 4 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: 0.5s, 39 PlacesBefore, 25 PlacesAfterwards, 34 TransitionsBefore, 18 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 18 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 359, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 257, positive: 253, positive conditional: 0, positive unconditional: 253, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 257, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 359, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 257, unknown conditional: 0, unknown unconditional: 257] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 24, Positive conditional cache size: 0, Positive unconditional cache size: 24, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:00:08,920 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 15:00:09,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...