/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-comp.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:08,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:08,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:08,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:08,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:08,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:08,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:08,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:08,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:08,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:08,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:08,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:08,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:08,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:08,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:08,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:08,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:08,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:08,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:08,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:08,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:08,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:08,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:08,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:08,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:08,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:08,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:08,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:08,902 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 15:00:08,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:08,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:08,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:08,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:08,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:08,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:08,937 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:08,937 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:08,937 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:08,937 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:08,938 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:08,938 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:08,938 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:08,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:08,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:08,940 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:08,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:08,941 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:08,941 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:08,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:08,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:08,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:08,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:08,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:08,943 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:08,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:09,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:09,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:09,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:09,204 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:09,205 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:09,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-comp.bpl [2022-09-29 15:00:09,206 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-comp.bpl' [2022-09-29 15:00:09,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:09,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:09,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:09,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:09,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:09,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,256 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:09,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:09,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:09,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:09,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:09,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:09,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:09,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:09,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:09,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/1) ... [2022-09-29 15:00:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:09,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:09,308 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 15:00:09,313 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 15:00:09,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:00:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:00:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:00:09,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:00:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:00:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:00:09,342 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-29 15:00:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 15:00:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 15:00:09,343 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:09,343 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 15:00:09,384 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:09,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:09,477 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:09,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:09,483 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:09,485 INFO L202 PluginConnector]: Adding new model map-comp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:09 BoogieIcfgContainer [2022-09-29 15:00:09,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:09,486 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:09,486 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:09,502 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:09,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:09,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-comp.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:09" (1/2) ... [2022-09-29 15:00:09,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ccc4b5 and model type map-comp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:09, skipping insertion in model container [2022-09-29 15:00:09,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:09,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-comp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:09" (2/2) ... [2022-09-29 15:00:09,506 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-comp.bpl [2022-09-29 15:00:09,599 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:00:09,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 94 flow [2022-09-29 15:00:09,650 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:09,651 INFO L123 PetriNetUnfolderBase]: 3/29 cut-off events. [2022-09-29 15:00:09,651 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:09,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 59 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-09-29 15:00:09,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 94 flow [2022-09-29 15:00:09,659 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 29 transitions, 76 flow [2022-09-29 15:00:09,663 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:09,683 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 76 flow [2022-09-29 15:00:09,690 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 76 flow [2022-09-29 15:00:09,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 76 flow [2022-09-29 15:00:09,707 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:09,707 INFO L123 PetriNetUnfolderBase]: 3/29 cut-off events. [2022-09-29 15:00:09,707 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:09,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 3/29 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 53 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-09-29 15:00:09,709 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2022-09-29 15:00:10,006 INFO L131 LiptonReduction]: Checked pairs total: 182 [2022-09-29 15:00:10,006 INFO L133 LiptonReduction]: Total number of compositions: 11 [2022-09-29 15:00:10,024 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:10,024 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:10,024 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:10,025 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:10,025 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:10,025 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:10,025 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:10,025 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:10,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:10,078 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:10,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:10,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:10,083 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:10,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:10,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:10,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 55 states, but on-demand construction may add more states [2022-09-29 15:00:10,093 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 31 [2022-09-29 15:00:10,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:10,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:10,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:10,094 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:10,099 INFO L733 eck$LassoCheckResult]: Stem: 42#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->L18: Formula: (and (< v_k_4 v_N_10) (<= 0 v_k_4) (= v_B_6 v_A_8)) InVars {A=v_A_8, N=v_N_10, k=v_k_4} OutVars{A=v_A_8, N=v_N_10, k=v_k_4, B=v_B_6} AuxVars[] AssignedVars[B] 45#[L18]don't care [90] L18-->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] 47#[L18-1, thread1ENTRY]don't care [70] thread1ENTRY-->L34-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 49#[L18-1, L34-1]don't care [2022-09-29 15:00:10,099 INFO L735 eck$LassoCheckResult]: Loop: 49#[L18-1, L34-1]don't care [110] L34-1-->L34-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_28 v_N_26) (= (+ v_thread1Thread1of1ForFork0_i_28 1) v_thread1Thread1of1ForFork0_i_27) (= v_A_36 (store v_A_37 v_thread1Thread1of1ForFork0_i_28 (+ 1 (select v_A_37 v_thread1Thread1of1ForFork0_i_28))))) InVars {A=v_A_37, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_28} OutVars{A=v_A_36, N=v_N_26, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_27} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 49#[L18-1, L34-1]don't care [2022-09-29 15:00:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,104 INFO L85 PathProgramCache]: Analyzing trace with hash 129712, now seen corresponding path program 1 times [2022-09-29 15:00:10,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:10,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192760901] [2022-09-29 15:00:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:10,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,187 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:10,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,219 INFO L85 PathProgramCache]: Analyzing trace with hash 141, now seen corresponding path program 1 times [2022-09-29 15:00:10,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:10,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299134166] [2022-09-29 15:00:10,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,232 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:10,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,244 INFO L85 PathProgramCache]: Analyzing trace with hash 4021182, now seen corresponding path program 1 times [2022-09-29 15:00:10,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:10,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727445575] [2022-09-29 15:00:10,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:10,410 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:10,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:10,411 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:10,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:10,411 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:10,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:10,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:10,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-comp.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:10,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:10,411 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:10,426 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 15:00:10,460 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 15:00:10,513 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:10,517 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:10,523 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 15:00:10,529 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 15:00:10,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:10,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:10,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:10,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:10,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:10,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:10,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:10,542 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 15:00:10,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:10,583 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 15:00:10,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:10,588 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 15:00:10,594 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 15:00:10,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:10,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:10,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:10,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:10,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:10,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:10,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:10,607 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 15:00:10,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:10,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-09-29 15:00:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:10,638 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 15:00:10,646 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 15:00:10,647 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 15:00:10,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:10,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:10,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:10,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:10,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:10,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:10,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:10,695 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-09-29 15:00:10,695 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:10,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:10,698 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 15:00:10,710 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:10,715 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 15:00:10,733 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:10,733 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:10,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:00:10,761 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 15:00:10,764 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:10,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:10,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:10,818 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:10,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:10,820 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 15:00:10,860 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 15:00:10,861 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 15:00:10,921 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 15:00:10,926 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 15:00:10,933 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 15:00:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-09-29 15:00:10,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:10,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:10,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:10,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:10,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 36 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:10,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:10,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 490 transitions. [2022-09-29 15:00:10,943 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:10,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 103 states and 354 transitions. [2022-09-29 15:00:10,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2022-09-29 15:00:10,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:10,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 354 transitions. [2022-09-29 15:00:10,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:10,953 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 354 transitions. [2022-09-29 15:00:10,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 354 transitions. [2022-09-29 15:00:10,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 82. [2022-09-29 15:00:10,980 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 15:00:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 294 transitions. [2022-09-29 15:00:10,982 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:10,982 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 294 transitions. [2022-09-29 15:00:10,982 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:10,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 294 transitions. [2022-09-29 15:00:10,984 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 24 [2022-09-29 15:00:10,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:10,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:10,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:10,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:10,985 INFO L733 eck$LassoCheckResult]: Stem: 461#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->L18: Formula: (and (< v_k_4 v_N_10) (<= 0 v_k_4) (= v_B_6 v_A_8)) InVars {A=v_A_8, N=v_N_10, k=v_k_4} OutVars{A=v_A_8, N=v_N_10, k=v_k_4, B=v_B_6} AuxVars[] AssignedVars[B] 463#[L18]don't care [90] L18-->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] 481#[L18-1, thread1ENTRY]don't care [93] L18-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 469#[L19, thread1ENTRY, thread2ENTRY]don't care [76] thread2ENTRY-->L46-1: Formula: (= v_thread2Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 451#[L19, thread1ENTRY, L46-1]don't care [2022-09-29 15:00:10,986 INFO L735 eck$LassoCheckResult]: Loop: 451#[L19, thread1ENTRY, L46-1]don't care [108] L46-1-->L46-1: Formula: (and (< v_thread2Thread1of1ForFork1_i_24 v_N_22) (= (+ v_thread2Thread1of1ForFork1_i_24 1) v_thread2Thread1of1ForFork1_i_23) (= (store v_A_33 v_thread2Thread1of1ForFork1_i_24 (+ (select v_A_33 v_thread2Thread1of1ForFork1_i_24) 2)) v_A_32)) InVars {A=v_A_33, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_24, N=v_N_22} OutVars{A=v_A_32, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_23, N=v_N_22} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 451#[L19, thread1ENTRY, L46-1]don't care [2022-09-29 15:00:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 4021861, now seen corresponding path program 1 times [2022-09-29 15:00:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:10,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024037110] [2022-09-29 15:00:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:10,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:10,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash 139, now seen corresponding path program 1 times [2022-09-29 15:00:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:10,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780235721] [2022-09-29 15:00:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:10,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,003 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash 124677799, now seen corresponding path program 1 times [2022-09-29 15:00:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245661752] [2022-09-29 15:00:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,015 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,071 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:11,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:11,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:11,072 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:11,072 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:11,072 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:11,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:11,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-comp.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:11,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:11,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:11,073 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 15:00:11,076 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 15:00:11,087 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 15:00:11,090 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 15:00:11,092 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 15:00:11,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:11,146 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:11,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,148 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 15:00:11,157 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 15:00:11,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:11,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:11,173 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 15:00:11,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:11,213 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 15:00:11,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,216 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 15:00:11,220 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 15:00:11,221 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 15:00:11,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:11,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:11,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:11,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:11,258 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 15:00:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,259 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 15:00:11,261 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 15:00:11,262 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 15:00:11,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:11,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:11,290 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:11,301 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:00:11,301 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-09-29 15:00:11,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,333 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 15:00:11,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:11,345 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 15:00:11,357 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:11,357 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:11,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 1*N Supporting invariants [] [2022-09-29 15:00:11,388 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 15:00:11,389 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:11,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,426 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,427 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 15:00:11,427 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 15:00:11,428 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 15:00:11,476 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 15:00:11,476 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 15:00:11,477 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 15:00:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2022-09-29 15:00:11,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:11,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:11,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:11,478 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,478 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 842 transitions. [2022-09-29 15:00:11,485 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:11,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 148 states and 549 transitions. [2022-09-29 15:00:11,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2022-09-29 15:00:11,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2022-09-29 15:00:11,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 549 transitions. [2022-09-29 15:00:11,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:11,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 549 transitions. [2022-09-29 15:00:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 549 transitions. [2022-09-29 15:00:11,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2022-09-29 15:00:11,499 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 15:00:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 443 transitions. [2022-09-29 15:00:11,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:11,501 INFO L428 stractBuchiCegarLoop]: Abstraction has 116 states and 443 transitions. [2022-09-29 15:00:11,501 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:11,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 443 transitions. [2022-09-29 15:00:11,504 INFO L131 ngComponentsAnalysis]: Automaton has 13 accepting balls. 13 [2022-09-29 15:00:11,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:11,504 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:11,504 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:11,504 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:11,505 INFO L733 eck$LassoCheckResult]: Stem: 912#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->L18: Formula: (and (< v_k_4 v_N_10) (<= 0 v_k_4) (= v_B_6 v_A_8)) InVars {A=v_A_8, N=v_N_10, k=v_k_4} OutVars{A=v_A_8, N=v_N_10, k=v_k_4, B=v_B_6} AuxVars[] AssignedVars[B] 914#[L18]don't care [90] L18-->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] 942#[L18-1, thread1ENTRY]don't care [93] L18-1-->thread2ENTRY: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_14, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 924#[L19, thread1ENTRY, thread2ENTRY]don't care [96] L19-->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_i=v_thread3Thread1of1ForFork2_i_14, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_i, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0] 926#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L20]don't care [82] thread3ENTRY-->L58-1: Formula: (= v_thread3Thread1of1ForFork2_i_1 0) InVars {} OutVars{thread3Thread1of1ForFork2_i=v_thread3Thread1of1ForFork2_i_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_i] 944#[thread1ENTRY, thread2ENTRY, L20, L58-1]don't care [2022-09-29 15:00:11,505 INFO L735 eck$LassoCheckResult]: Loop: 944#[thread1ENTRY, thread2ENTRY, L20, L58-1]don't care [109] L58-1-->L58-1: Formula: (and (= v_thread3Thread1of1ForFork2_i_19 (+ v_thread3Thread1of1ForFork2_i_20 1)) (= (store v_B_15 v_thread3Thread1of1ForFork2_i_20 (+ (select v_B_15 v_thread3Thread1of1ForFork2_i_20) 3)) v_B_14) (< v_thread3Thread1of1ForFork2_i_20 v_N_24)) InVars {N=v_N_24, thread3Thread1of1ForFork2_i=v_thread3Thread1of1ForFork2_i_20, B=v_B_15} OutVars{N=v_N_24, thread3Thread1of1ForFork2_i=v_thread3Thread1of1ForFork2_i_19, B=v_B_14} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_i, B] 944#[thread1ENTRY, thread2ENTRY, L20, L58-1]don't care [2022-09-29 15:00:11,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash 124678393, now seen corresponding path program 1 times [2022-09-29 15:00:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588602716] [2022-09-29 15:00:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,521 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,526 INFO L85 PathProgramCache]: Analyzing trace with hash 140, now seen corresponding path program 1 times [2022-09-29 15:00:11,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892641204] [2022-09-29 15:00:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,531 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,535 INFO L85 PathProgramCache]: Analyzing trace with hash -429937004, now seen corresponding path program 1 times [2022-09-29 15:00:11,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859712753] [2022-09-29 15:00:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,543 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,612 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:11,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:11,612 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:11,612 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:11,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:11,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:11,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:11,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-comp.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:00:11,613 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:11,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:11,614 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 15:00:11,625 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 15:00:11,628 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 15:00:11,630 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 15:00:11,633 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 15:00:11,636 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 15:00:11,639 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 15:00:11,641 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 15:00:11,645 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 15:00:11,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:11,745 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,747 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 15:00:11,776 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 15:00:11,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:11,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:11,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:11,787 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 15:00:11,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:11,795 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 15:00:11,819 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 15:00:11,819 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 15:00:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,821 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 15:00:11,828 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 15:00:11,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:11,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:11,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:11,875 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:11,889 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:00:11,889 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:11,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,891 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 15:00:11,892 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 15:00:11,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:11,919 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:11,920 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:11,920 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork2_i, N) = -1*thread3Thread1of1ForFork2_i + 1*N Supporting invariants [] [2022-09-29 15:00:11,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-09-29 15:00:11,947 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:11,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,983 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,984 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 15:00:11,984 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 15:00:11,984 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 15:00:12,011 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 15:00:12,012 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 15:00:12,012 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 15:00:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 31 transitions. [2022-09-29 15:00:12,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:12,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:12,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 31 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:12,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 840 transitions. [2022-09-29 15:00:12,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:12,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 0 states and 0 transitions. [2022-09-29 15:00:12,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:12,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:12,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:12,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:12,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,018 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:00:12,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:12,019 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:12,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:12,025 INFO L202 PluginConnector]: Adding new model map-comp.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:12 BoogieIcfgContainer [2022-09-29 15:00:12,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:12,025 INFO L158 Benchmark]: Toolchain (without parser) took 2792.82ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 145.0MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:12,026 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 182.5MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:12,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.05ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 141.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,027 INFO L158 Benchmark]: Boogie Preprocessor took 17.42ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 140.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,027 INFO L158 Benchmark]: RCFGBuilder took 207.94ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 130.5MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,027 INFO L158 Benchmark]: BuchiAutomizer took 2538.86ms. Allocated memory is still 182.5MB. Free memory was 130.3MB in the beginning and 145.0MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:12,029 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 182.5MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.05ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 141.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.42ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 140.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 207.94ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 130.5MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2538.86ms. Allocated memory is still 182.5MB. Free memory was 130.3MB in the beginning and 145.0MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf100 lsp77 ukn59 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - 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: 0.3s, 36 PlacesBefore, 25 PlacesAfterwards, 29 TransitionsBefore, 18 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 182 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, positive: 146, positive conditional: 0, positive unconditional: 146, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 148, unknown conditional: 0, unknown unconditional: 148] , 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 15:00:12,063 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 15:00:12,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...