/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-incr-decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:09,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:09,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:09,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:09,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:09,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:09,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:09,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:09,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:09,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:09,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:09,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:09,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:09,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:09,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:09,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:09,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:09,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:09,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:09,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:09,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:09,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:09,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:09,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:09,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:09,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:00:09,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:00:09,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:00:09,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:00:09,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:00:09,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:00:09,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:00:09,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:00:09,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:09,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:09,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:09,781 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 15:00:09,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:09,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:09,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:09,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:09,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:09,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:09,810 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:09,810 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:09,811 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:09,811 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:09,811 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:09,811 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:09,811 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:09,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:09,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:09,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:09,813 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:09,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:09,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:09,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:09,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:09,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:09,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:09,824 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:09,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:10,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:10,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:10,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:10,156 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:10,157 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:10,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl [2022-09-29 15:00:10,158 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-incr-decr.bpl' [2022-09-29 15:00:10,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:10,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:10,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:10,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:10,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:10,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,215 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:10,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:10,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:10,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:10,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:10,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:10,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:10,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:10,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:10,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/1) ... [2022-09-29 15:00:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:10,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:10,271 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 15:00:10,305 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 15:00:10,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-29 15:00:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 15:00:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 15:00:10,333 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-29 15:00:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 15:00:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 15:00:10,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:10,335 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 15:00:10,372 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:10,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:10,483 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:10,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:10,488 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:10,489 INFO L202 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:10 BoogieIcfgContainer [2022-09-29 15:00:10,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:10,490 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:10,490 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:10,503 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:10,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:10,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:10" (1/2) ... [2022-09-29 15:00:10,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49d57930 and model type map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:10, skipping insertion in model container [2022-09-29 15:00:10,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:10,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:10" (2/2) ... [2022-09-29 15:00:10,532 INFO L322 chiAutomizerObserver]: Analyzing ICFG map-incr-decr.bpl [2022-09-29 15:00:10,644 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:00:10,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 68 flow [2022-09-29 15:00:10,735 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:10,735 INFO L123 PetriNetUnfolderBase]: 2/22 cut-off events. [2022-09-29 15:00:10,735 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:10,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2022-09-29 15:00:10,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 68 flow [2022-09-29 15:00:10,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 27 places, 22 transitions, 56 flow [2022-09-29 15:00:10,759 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:10,792 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 22 transitions, 56 flow [2022-09-29 15:00:10,794 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 22 transitions, 56 flow [2022-09-29 15:00:10,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 22 transitions, 56 flow [2022-09-29 15:00:10,800 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:10,800 INFO L123 PetriNetUnfolderBase]: 2/22 cut-off events. [2022-09-29 15:00:10,800 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:10,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 22 events. 2/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 27 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 15. Up to 2 conditions per place. [2022-09-29 15:00:10,801 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2022-09-29 15:00:11,029 INFO L131 LiptonReduction]: Checked pairs total: 63 [2022-09-29 15:00:11,029 INFO L133 LiptonReduction]: Total number of compositions: 9 [2022-09-29 15:00:11,046 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:11,046 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:11,046 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:11,046 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:11,046 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:11,046 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:11,046 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:11,046 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:11,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:11,073 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-09-29 15:00:11,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:11,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:11,077 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:11,077 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:11,078 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:11,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 19 states, but on-demand construction may add more states [2022-09-29 15:00:11,080 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-09-29 15:00:11,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:11,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:11,081 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-09-29 15:00:11,081 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:11,085 INFO L733 eck$LassoCheckResult]: Stem: 32#[ULTIMATE.startENTRY]don't care [79] ULTIMATE.startENTRY-->L20: Formula: (and (< v_k_9 v_N_16) (<= 0 v_k_9) (= (select v_A_31 v_k_9) v_ULTIMATE.start_x_6) (= v_A_31 v_B_4)) InVars {A=v_A_31, N=v_N_16, k=v_k_9} OutVars{A=v_A_31, N=v_N_16, k=v_k_9, ULTIMATE.start_x=v_ULTIMATE.start_x_6, B=v_B_4} AuxVars[] AssignedVars[ULTIMATE.start_x, B] 35#[L20]don't care [66] L20-->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] 37#[thread1ENTRY, L20-1]don't care [52] thread1ENTRY-->L34-1: Formula: (= v_thread1Thread1of1ForFork0_i_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_i] 39#[L34-1, L20-1]don't care [2022-09-29 15:00:11,085 INFO L735 eck$LassoCheckResult]: Loop: 39#[L34-1, L20-1]don't care [78] L34-1-->L34-1: Formula: (and (< v_thread1Thread1of1ForFork0_i_24 v_N_14) (= v_A_27 (store v_A_28 v_thread1Thread1of1ForFork0_i_24 (+ (select v_A_28 v_thread1Thread1of1ForFork0_i_24) 1))) (= v_thread1Thread1of1ForFork0_i_23 (+ v_thread1Thread1of1ForFork0_i_24 1))) InVars {A=v_A_28, N=v_N_14, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_24} OutVars{A=v_A_27, N=v_N_14, thread1Thread1of1ForFork0_i=v_thread1Thread1of1ForFork0_i_23} AuxVars[] AssignedVars[A, thread1Thread1of1ForFork0_i] 39#[L34-1, L20-1]don't care [2022-09-29 15:00:11,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash 107808, now seen corresponding path program 1 times [2022-09-29 15:00:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674382241] [2022-09-29 15:00:11,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,186 INFO L85 PathProgramCache]: Analyzing trace with hash 109, now seen corresponding path program 1 times [2022-09-29 15:00:11,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228042386] [2022-09-29 15:00:11,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,213 INFO L85 PathProgramCache]: Analyzing trace with hash 3342126, now seen corresponding path program 1 times [2022-09-29 15:00:11,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342381963] [2022-09-29 15:00:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,225 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,341 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:11,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:11,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:11,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:11,342 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:11,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:11,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:11,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:11,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:11,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:11,354 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 15:00:11,385 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 15:00:11,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:11,437 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:11,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,441 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 15:00:11,458 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 15:00:11,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:11,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:11,479 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 15:00:11,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:11,507 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 15:00:11,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,516 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 15:00:11,534 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 15:00:11,535 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 15:00:11,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:11,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:11,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:11,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:11,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:11,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:11,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:11,590 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:00:11,591 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,593 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 15:00:11,631 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:11,639 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 15:00:11,655 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:11,655 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:11,656 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork0_i, N) = -1*thread1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:00:11,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:11,679 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:11,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:11,745 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:11,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:11,746 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 15:00:11,766 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 15:00:11,768 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 19 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 15:00:11,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 19 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 45 states and 101 transitions. Complement of second has 4 states. [2022-09-29 15:00:11,807 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 15:00:11,810 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 15:00:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2022-09-29 15:00:11,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:11,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:11,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:00:11,812 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:11,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 101 transitions. [2022-09-29 15:00:11,815 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-09-29 15:00:11,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 23 states and 53 transitions. [2022-09-29 15:00:11,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-09-29 15:00:11,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-09-29 15:00:11,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 53 transitions. [2022-09-29 15:00:11,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:11,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 53 transitions. [2022-09-29 15:00:11,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 53 transitions. [2022-09-29 15:00:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-09-29 15:00:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.35) internal successors, (47), 19 states have internal predecessors, (47), 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 15:00:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 47 transitions. [2022-09-29 15:00:11,837 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 47 transitions. [2022-09-29 15:00:11,837 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 47 transitions. [2022-09-29 15:00:11,837 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:11,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 47 transitions. [2022-09-29 15:00:11,838 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2022-09-29 15:00:11,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:11,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:11,838 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:11,839 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:11,839 INFO L733 eck$LassoCheckResult]: Stem: 148#[ULTIMATE.startENTRY]don't care [79] ULTIMATE.startENTRY-->L20: Formula: (and (< v_k_9 v_N_16) (<= 0 v_k_9) (= (select v_A_31 v_k_9) v_ULTIMATE.start_x_6) (= v_A_31 v_B_4)) InVars {A=v_A_31, N=v_N_16, k=v_k_9} OutVars{A=v_A_31, N=v_N_16, k=v_k_9, ULTIMATE.start_x=v_ULTIMATE.start_x_6, B=v_B_4} AuxVars[] AssignedVars[ULTIMATE.start_x, B] 150#[L20]don't care [66] L20-->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] 178#[thread1ENTRY, L20-1]don't care [69] L20-1-->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] 152#[L21, thread2ENTRY, thread1ENTRY]don't care [58] thread2ENTRY-->L47-1: Formula: (= v_thread2Thread1of1ForFork1_i_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_i] 156#[L21, thread1ENTRY, L47-1]don't care [2022-09-29 15:00:11,839 INFO L735 eck$LassoCheckResult]: Loop: 156#[L21, thread1ENTRY, L47-1]don't care [80] L47-1-->L47-1: Formula: (and (< v_thread2Thread1of1ForFork1_i_24 v_N_20) (= (+ v_thread2Thread1of1ForFork1_i_24 1) v_thread2Thread1of1ForFork1_i_23) (= v_A_39 (store v_A_40 v_thread2Thread1of1ForFork1_i_24 (+ (- 1) (select v_A_40 v_thread2Thread1of1ForFork1_i_24))))) InVars {A=v_A_40, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_24, N=v_N_20} OutVars{A=v_A_39, thread2Thread1of1ForFork1_i=v_thread2Thread1of1ForFork1_i_23, N=v_N_20} AuxVars[] AssignedVars[A, thread2Thread1of1ForFork1_i] 156#[L21, thread1ENTRY, L47-1]don't care [2022-09-29 15:00:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,839 INFO L85 PathProgramCache]: Analyzing trace with hash 3342633, now seen corresponding path program 1 times [2022-09-29 15:00:11,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002893909] [2022-09-29 15:00:11,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,844 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,848 INFO L85 PathProgramCache]: Analyzing trace with hash 111, now seen corresponding path program 1 times [2022-09-29 15:00:11,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781320824] [2022-09-29 15:00:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,851 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:11,855 INFO L85 PathProgramCache]: Analyzing trace with hash 103621703, now seen corresponding path program 1 times [2022-09-29 15:00:11,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:11,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426017104] [2022-09-29 15:00:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:11,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,860 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:11,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:11,914 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:11,914 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:11,914 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:11,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:11,914 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:11,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:11,914 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:11,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: map-incr-decr.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:11,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:11,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:11,916 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 15:00:11,918 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 15:00:11,930 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 15:00:11,932 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 15:00:11,933 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 15:00:11,981 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:11,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:11,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:11,983 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 15:00:12,018 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 15:00:12,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:12,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:12,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:12,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:12,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:12,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:12,033 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 15:00:12,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:12,070 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 15:00:12,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:12,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:12,084 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 15:00:12,085 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 15:00:12,087 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 15:00:12,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:12,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:12,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:12,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:12,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:12,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:12,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:12,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:12,129 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 15:00:12,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:12,131 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 15:00:12,132 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 15:00:12,176 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 15:00:12,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:12,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:12,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:12,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:12,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:12,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:12,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:12,245 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-09-29 15:00:12,245 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:12,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:12,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:12,307 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 15:00:12,320 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:12,320 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 15:00:12,344 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:12,345 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:12,345 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_i, N) = -1*thread2Thread1of1ForFork1_i + 1*N Supporting invariants [] [2022-09-29 15:00:12,384 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 15:00:12,385 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:12,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:12,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:12,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:12,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:12,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:12,423 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 15:00:12,424 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 15:00:12,425 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 47 transitions. cyclomatic complexity: 34 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 15:00:12,448 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 47 transitions. cyclomatic complexity: 34. 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 36 states and 81 transitions. Complement of second has 4 states. [2022-09-29 15:00:12,457 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 15:00:12,458 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 15:00:12,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2022-09-29 15:00:12,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:00:12,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:12,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:12,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:12,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 81 transitions. [2022-09-29 15:00:12,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:12,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:12,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:12,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:12,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:12,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:12,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:12,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:12,472 INFO L202 PluginConnector]: Adding new model map-incr-decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:12 BoogieIcfgContainer [2022-09-29 15:00:12,472 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:12,475 INFO L158 Benchmark]: Toolchain (without parser) took 2280.11ms. Allocated memory is still 190.8MB. Free memory was 146.2MB in the beginning and 121.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,476 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:12,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.93ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,478 INFO L158 Benchmark]: Boogie Preprocessor took 14.06ms. Allocated memory is still 190.8MB. Free memory was 144.6MB in the beginning and 143.7MB in the end (delta: 925.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,479 INFO L158 Benchmark]: RCFGBuilder took 257.47ms. Allocated memory is still 190.8MB. Free memory was 143.7MB in the beginning and 135.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,479 INFO L158 Benchmark]: BuchiAutomizer took 1982.30ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 121.5MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-09-29 15:00:12,484 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 0.11ms. Allocated memory is still 190.8MB. Free memory is still 147.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.93ms. Allocated memory is still 190.8MB. Free memory was 146.1MB in the beginning and 144.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.06ms. Allocated memory is still 190.8MB. Free memory was 144.6MB in the beginning and 143.7MB in the end (delta: 925.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 257.47ms. Allocated memory is still 190.8MB. Free memory was 143.7MB in the beginning and 135.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 1982.30ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 121.5MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. 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 2 terminating modules (0 trivial, 2 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. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax100 hnf100 lsp86 ukn67 mio100 lsp75 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 3 VariablesLoop: 0 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: 0.2s, 27 PlacesBefore, 18 PlacesAfterwards, 22 TransitionsBefore, 13 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 63 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 63, positive conditional: 0, positive unconditional: 63, 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: 50, positive: 50, positive conditional: 0, positive unconditional: 50, 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: 50, positive: 48, positive conditional: 0, positive unconditional: 48, 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: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 50, unknown conditional: 0, unknown unconditional: 50] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, 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 15:00:12,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-09-29 15:00:12,714 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 15:00:12,924 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...