/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-buchi-pn-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:02:41,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:02:41,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:02:41,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:02:41,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:02:41,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:02:41,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:02:41,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:02:41,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:02:41,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:02:41,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:02:41,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:02:41,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:02:41,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:02:41,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:02:41,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:02:41,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:02:41,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:02:41,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:02:41,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:02:41,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:02:41,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:02:41,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:02:41,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:02:41,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:02:41,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:02:41,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:02:41,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:02:41,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 15:02:41,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:02:41,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:02:41,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:02:41,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:02:41,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:02:41,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:02:41,842 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:02:41,842 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:02:41,843 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:02:41,843 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:02:41,843 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:02:41,843 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:02:41,843 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:02:41,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:02:41,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:02:41,845 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:02:41,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:02:41,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:02:41,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:02:41,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:02:41,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:02:41,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:02:41,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:02:41,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:02:42,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:02:42,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:02:42,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:02:42,045 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:02:42,047 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:02:42,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl [2022-09-29 15:02:42,048 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/array-sum-with-log-6threads.bpl' [2022-09-29 15:02:42,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:02:42,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:02:42,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:42,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:02:42,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:02:42,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,090 INFO L137 Inliner]: procedures = 3, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-09-29 15:02:42,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:02:42,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:02:42,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:02:42,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:02:42,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:02:42,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:02:42,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:02:42,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:02:42,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/1) ... [2022-09-29 15:02:42,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:42,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:42,133 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 15:02:42,147 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 15:02:42,167 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:02:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:02:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:02:42,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum given in one single declaration [2022-09-29 15:02:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-09-29 15:02:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-09-29 15:02:42,168 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 15:02:42,204 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:02:42,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:02:42,296 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:02:42,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:02:42,327 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:02:42,328 INFO L202 PluginConnector]: Adding new model array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:42 BoogieIcfgContainer [2022-09-29 15:02:42,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:02:42,329 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:02:42,329 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:02:42,332 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:02:42,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:42,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:02:42" (1/2) ... [2022-09-29 15:02:42,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@135595b7 and model type array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:02:42, skipping insertion in model container [2022-09-29 15:02:42,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:02:42,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-sum-with-log-6threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:02:42" (2/2) ... [2022-09-29 15:02:42,334 INFO L322 chiAutomizerObserver]: Analyzing ICFG array-sum-with-log-6threads.bpl [2022-09-29 15:02:42,483 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-09-29 15:02:42,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 117 transitions, 282 flow [2022-09-29 15:02:42,600 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:42,600 INFO L123 PetriNetUnfolderBase]: 6/105 cut-off events. [2022-09-29 15:02:42,601 INFO L124 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2022-09-29 15:02:42,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 105 events. 6/105 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 409 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-09-29 15:02:42,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 117 transitions, 282 flow [2022-09-29 15:02:42,611 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 105 transitions, 246 flow [2022-09-29 15:02:42,613 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:02:42,624 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 105 transitions, 246 flow [2022-09-29 15:02:42,626 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 105 transitions, 246 flow [2022-09-29 15:02:42,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 105 transitions, 246 flow [2022-09-29 15:02:42,642 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:02:42,642 INFO L123 PetriNetUnfolderBase]: 6/105 cut-off events. [2022-09-29 15:02:42,642 INFO L124 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2022-09-29 15:02:42,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 105 events. 6/105 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 420 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-09-29 15:02:42,653 INFO L116 LiptonReduction]: Number of co-enabled transitions 7650 [2022-09-29 15:02:43,770 INFO L131 LiptonReduction]: Checked pairs total: 6749 [2022-09-29 15:02:43,770 INFO L133 LiptonReduction]: Total number of compositions: 67 [2022-09-29 15:02:43,778 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:02:43,779 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:02:43,779 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:02:43,779 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:02:43,779 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:02:43,779 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:02:43,779 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:02:43,779 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:02:43,779 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 51 places, 38 transitions, 112 flow [2022-09-29 15:02:43,783 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 51 places, 38 transitions, 112 flow [2022-09-29 15:02:43,790 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:43,790 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:43,791 INFO L123 PetriNetUnfolderBase]: 0/7 cut-off events. [2022-09-29 15:02:43,791 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:43,791 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:43,795 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:02:43,795 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 51 places, 38 transitions, 112 flow [2022-09-29 15:02:43,798 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 51 places, 38 transitions, 112 flow [2022-09-29 15:02:43,799 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:43,799 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:43,799 INFO L123 PetriNetUnfolderBase]: 0/7 cut-off events. [2022-09-29 15:02:43,799 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:02:43,799 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:43,803 INFO L733 eck$LassoCheckResult]: Stem: 128#[ULTIMATE.startENTRY]true [162] ULTIMATE.startENTRY-->sumENTRY: Formula: (= v_sumThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_10|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_10|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_16|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, sumThread1of1ForFork0_thidvar0] 130#[L54, sumENTRY]true [221] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_25| 0) (= |v_sumThread1of1ForFork0_x#1_19| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_19|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 132#[L54, L39-1]true [2022-09-29 15:02:43,804 INFO L735 eck$LassoCheckResult]: Loop: 132#[L54, L39-1]true [250] L39-1-->L45: Formula: (and (= |v_sumThread1of1ForFork0_i#1_39| (+ |v_sumThread1of1ForFork0_i#1_40| 1)) (= |v_sumThread1of1ForFork0_x#1_29| (+ |v_sumThread1of1ForFork0_x#1_30| (select v_A_32 |v_sumThread1of1ForFork0_i#1_40|))) (= (+ v_stdout_ptr_264 1) v_stdout_ptr_263) (< |v_sumThread1of1ForFork0_i#1_40| v_N_43) (= v_stdout_261 (store v_stdout_262 v_stdout_ptr_264 |v_sumThread1of1ForFork0_log_msg#1_31|)) (= |v_sumThread1of1ForFork0_i#1_39| |v_sumThread1of1ForFork0_log_msg#1_31|)) InVars {A=v_A_32, stdout=v_stdout_262, N=v_N_43, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_30|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_40|, stdout_ptr=v_stdout_ptr_264} OutVars{A=v_A_32, stdout=v_stdout_261, N=v_N_43, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_29|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_31|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_39|, stdout_ptr=v_stdout_ptr_263} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 135#[L54, L45]true [237] L45-->L39-1: Formula: (and (= v_stdout_ptr_149 (+ v_stdout_ptr_150 1)) (= |v_sumThread1of1ForFork0_x#1_25| |v_sumThread1of1ForFork0_log_msg#1_21|) (= (store v_stdout_148 v_stdout_ptr_150 |v_sumThread1of1ForFork0_log_msg#1_21|) v_stdout_147)) InVars {stdout=v_stdout_148, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_25|, stdout_ptr=v_stdout_ptr_150} OutVars{stdout=v_stdout_147, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_25|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_21|, stdout_ptr=v_stdout_ptr_149} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 132#[L54, L39-1]true [2022-09-29 15:02:43,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:43,810 INFO L85 PathProgramCache]: Analyzing trace with hash 6204, now seen corresponding path program 1 times [2022-09-29 15:02:43,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:43,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081841572] [2022-09-29 15:02:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:43,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,876 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:43,899 INFO L85 PathProgramCache]: Analyzing trace with hash 8948, now seen corresponding path program 1 times [2022-09-29 15:02:43,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:43,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995293449] [2022-09-29 15:02:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:43,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,926 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:43,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:43,949 INFO L85 PathProgramCache]: Analyzing trace with hash 5970031, now seen corresponding path program 1 times [2022-09-29 15:02:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:43,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382945178] [2022-09-29 15:02:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,964 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:43,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:44,062 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:44,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:44,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:44,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:44,078 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:44,079 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,079 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:44,079 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:44,079 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-6threads.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:02:44,079 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:44,079 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:44,091 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 15:02:44,098 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 15:02:44,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:44,171 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:44,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,174 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 15:02:44,198 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 15:02:44,202 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 15:02:44,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,277 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 15:02:44,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,279 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 15:02:44,280 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 15:02:44,282 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 15:02:44,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:44,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:44,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:44,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,321 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 15:02:44,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,324 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 15:02:44,326 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 15:02:44,326 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 15:02:44,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:44,390 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 15:02:44,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,392 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 15:02:44,407 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 15:02:44,408 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 15:02:44,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:44,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:44,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:44,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:44,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:44,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:44,431 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:44,449 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:02:44,449 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:02:44,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:44,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:44,483 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 15:02:44,487 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 15:02:44,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:44,519 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:44,519 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:44,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sumThread1of1ForFork0_i#1, N) = -1*sumThread1of1ForFork0_i#1 + 1*N Supporting invariants [] [2022-09-29 15:02:44,544 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 15:02:44,558 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:02:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:44,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:44,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:44,626 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 15:02:44,666 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:02:44,668 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 15:02:44,985 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 6 states and 1639 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:44,987 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:44,993 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:44,995 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 15:02:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 15:02:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2022-09-29 15:02:45,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 15:02:45,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:02:45,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 2 letters. Loop has 4 letters. [2022-09-29 15:02:45,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,010 INFO L428 stractBuchiCegarLoop]: Abstraction has has 63 places, 662 transitions, 3278 flow [2022-09-29 15:02:45,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:02:45,010 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 63 places, 662 transitions, 3278 flow [2022-09-29 15:02:45,028 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 662 transitions, 3278 flow [2022-09-29 15:02:45,029 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,035 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 63 places, 662 transitions, 3278 flow [2022-09-29 15:02:45,039 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:45,039 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:45,039 INFO L123 PetriNetUnfolderBase]: 81/124 cut-off events. [2022-09-29 15:02:45,039 INFO L124 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2022-09-29 15:02:45,039 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:45,039 INFO L733 eck$LassoCheckResult]: Stem: 128#[ULTIMATE.startENTRY]true [162] ULTIMATE.startENTRY-->sumENTRY: Formula: (= v_sumThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_10|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_10|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_16|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, sumThread1of1ForFork0_thidvar0] 130#[L54, sumENTRY]true [165] L54-->sumENTRY: Formula: (and (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_10|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_10|, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_16|, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_i#1, sumThread1of1ForFork1_thidvar1] 189#[sumENTRY, sumENTRY, L55]true [217] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_17| 0) (= |v_sumThread1of1ForFork1_i#1_21| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_17|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_21|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 191#[sumENTRY, L39-1, L55]true [2022-09-29 15:02:45,040 INFO L735 eck$LassoCheckResult]: Loop: 191#[sumENTRY, L39-1, L55]true [247] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_27| (+ (select v_A_24 |v_sumThread1of1ForFork1_i#1_34|) |v_sumThread1of1ForFork1_x#1_28|)) (< |v_sumThread1of1ForFork1_i#1_34| v_N_35) (= (store v_stdout_238 v_stdout_ptr_240 |v_sumThread1of1ForFork1_log_msg#1_51|) v_stdout_237) (= (+ v_stdout_ptr_240 1) v_stdout_ptr_239) (= |v_sumThread1of1ForFork1_i#1_33| (+ |v_sumThread1of1ForFork1_i#1_34| 1)) (= |v_sumThread1of1ForFork1_i#1_33| |v_sumThread1of1ForFork1_log_msg#1_51|)) InVars {A=v_A_24, stdout=v_stdout_238, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_28|, N=v_N_35, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_34|, stdout_ptr=v_stdout_ptr_240} OutVars{A=v_A_24, stdout=v_stdout_237, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_27|, N=v_N_35, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_51|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_33|, stdout_ptr=v_stdout_ptr_239} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 194#[sumENTRY, L45-1, L55]true [239] L45-1-->L39-1: Formula: (and (= v_stdout_ptr_157 (+ v_stdout_ptr_158 1)) (= |v_sumThread1of1ForFork1_x#1_19| |v_sumThread1of1ForFork1_log_msg#1_31|) (= v_stdout_155 (store v_stdout_156 v_stdout_ptr_158 |v_sumThread1of1ForFork1_log_msg#1_31|))) InVars {stdout=v_stdout_156, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_19|, stdout_ptr=v_stdout_ptr_158} OutVars{stdout=v_stdout_155, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_19|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_31|, stdout_ptr=v_stdout_ptr_157} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_log_msg#1, stdout_ptr] 191#[sumENTRY, L39-1, L55]true [2022-09-29 15:02:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,040 INFO L85 PathProgramCache]: Analyzing trace with hash 190805, now seen corresponding path program 1 times [2022-09-29 15:02:45,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569332191] [2022-09-29 15:02:45,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,051 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,058 INFO L85 PathProgramCache]: Analyzing trace with hash 8857, now seen corresponding path program 1 times [2022-09-29 15:02:45,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205876911] [2022-09-29 15:02:45,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,068 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,079 INFO L85 PathProgramCache]: Analyzing trace with hash 183371501, now seen corresponding path program 1 times [2022-09-29 15:02:45,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:45,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345528857] [2022-09-29 15:02:45,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:45,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,092 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:45,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:45,163 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:45,163 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:45,163 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:45,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:45,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:45,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,164 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:45,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:45,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-6threads.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:02:45,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:45,164 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:45,166 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 15:02:45,167 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 15:02:45,181 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 15:02:45,183 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 15:02:45,185 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 15:02:45,187 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 15:02:45,188 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 15:02:45,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:45,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:45,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,246 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 15:02:45,247 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 15:02:45,248 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 15:02:45,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,293 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 15:02:45,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,295 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 15:02:45,296 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 15:02:45,307 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 15:02:45,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,339 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 15:02:45,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,341 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 15:02:45,342 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 15:02:45,343 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 15:02:45,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,380 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 15:02:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,389 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 15:02:45,391 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 15:02:45,392 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 15:02:45,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,434 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 15:02:45,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,436 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 15:02:45,438 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 15:02:45,439 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 15:02:45,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:45,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:45,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:45,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:45,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:45,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,479 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 15:02:45,480 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 15:02:45,481 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 15:02:45,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:45,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:45,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:45,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:45,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:45,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:45,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:45,544 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:02:45,544 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:02:45,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:45,576 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:45,591 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:45,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:02:45,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:45,608 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:45,608 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork1_i#1) = 1*N - 1*sumThread1of1ForFork1_i#1 Supporting invariants [] [2022-09-29 15:02:45,626 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 15:02:45,628 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:02:45,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:45,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:45,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:45,666 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 15:02:45,666 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:02:45,666 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:02:45,861 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 6 states and 1639 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:45,861 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:45,914 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:45,915 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 15:02:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:02:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2022-09-29 15:02:45,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:45,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:45,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 3 letters. Loop has 4 letters. [2022-09-29 15:02:45,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:45,917 INFO L428 stractBuchiCegarLoop]: Abstraction has has 75 places, 11520 transitions, 80136 flow [2022-09-29 15:02:45,917 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:02:45,917 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 75 places, 11520 transitions, 80136 flow [2022-09-29 15:02:46,011 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 11520 transitions, 80136 flow [2022-09-29 15:02:46,023 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,062 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 75 places, 11520 transitions, 80136 flow [2022-09-29 15:02:46,074 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:46,074 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:02:46,074 INFO L123 PetriNetUnfolderBase]: 168/248 cut-off events. [2022-09-29 15:02:46,074 INFO L124 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2022-09-29 15:02:46,074 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:02:46,075 INFO L733 eck$LassoCheckResult]: Stem: 128#[ULTIMATE.startENTRY]true [162] ULTIMATE.startENTRY-->sumENTRY: Formula: (= v_sumThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_10|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_10|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_16|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, sumThread1of1ForFork0_thidvar0] 130#[L54, sumENTRY]true [221] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork0_i#1_25| 0) (= |v_sumThread1of1ForFork0_x#1_19| 0)) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_19|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_25|} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_i#1] 132#[L54, L39-1]true [165] L54-->sumENTRY: Formula: (and (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_10|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_10|, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_16|, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_i#1, sumThread1of1ForFork1_thidvar1] 246#[sumENTRY, L55, L39-1]true [2022-09-29 15:02:46,075 INFO L735 eck$LassoCheckResult]: Loop: 246#[sumENTRY, L55, L39-1]true [250] L39-1-->L45: Formula: (and (= |v_sumThread1of1ForFork0_i#1_39| (+ |v_sumThread1of1ForFork0_i#1_40| 1)) (= |v_sumThread1of1ForFork0_x#1_29| (+ |v_sumThread1of1ForFork0_x#1_30| (select v_A_32 |v_sumThread1of1ForFork0_i#1_40|))) (= (+ v_stdout_ptr_264 1) v_stdout_ptr_263) (< |v_sumThread1of1ForFork0_i#1_40| v_N_43) (= v_stdout_261 (store v_stdout_262 v_stdout_ptr_264 |v_sumThread1of1ForFork0_log_msg#1_31|)) (= |v_sumThread1of1ForFork0_i#1_39| |v_sumThread1of1ForFork0_log_msg#1_31|)) InVars {A=v_A_32, stdout=v_stdout_262, N=v_N_43, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_30|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_40|, stdout_ptr=v_stdout_ptr_264} OutVars{A=v_A_32, stdout=v_stdout_261, N=v_N_43, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_29|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_31|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_39|, stdout_ptr=v_stdout_ptr_263} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, stdout_ptr] 249#[sumENTRY, L45, L55]true [237] L45-->L39-1: Formula: (and (= v_stdout_ptr_149 (+ v_stdout_ptr_150 1)) (= |v_sumThread1of1ForFork0_x#1_25| |v_sumThread1of1ForFork0_log_msg#1_21|) (= (store v_stdout_148 v_stdout_ptr_150 |v_sumThread1of1ForFork0_log_msg#1_21|) v_stdout_147)) InVars {stdout=v_stdout_148, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_25|, stdout_ptr=v_stdout_ptr_150} OutVars{stdout=v_stdout_147, sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_25|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_21|, stdout_ptr=v_stdout_ptr_149} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork0_log_msg#1, stdout_ptr] 246#[sumENTRY, L55, L39-1]true [2022-09-29 15:02:46,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash 192489, now seen corresponding path program 1 times [2022-09-29 15:02:46,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788270897] [2022-09-29 15:02:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,081 INFO L85 PathProgramCache]: Analyzing trace with hash 8948, now seen corresponding path program 2 times [2022-09-29 15:02:46,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904171443] [2022-09-29 15:02:46,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,085 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,090 INFO L85 PathProgramCache]: Analyzing trace with hash 184989916, now seen corresponding path program 1 times [2022-09-29 15:02:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:02:46,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463674452] [2022-09-29 15:02:46,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:02:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:02:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,095 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:02:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:02:46,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:02:46,154 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:02:46,154 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:02:46,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:02:46,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:02:46,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:02:46,154 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:02:46,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:02:46,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-6threads.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:02:46,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:02:46,155 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:02:46,161 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 15:02:46,163 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 15:02:46,180 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 15:02:46,182 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 15:02:46,184 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 15:02:46,186 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 15:02:46,188 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 15:02:46,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,311 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 15:02:46,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:02:46,324 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:02:46,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,325 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:02:46,328 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 15:02:46,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,366 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-09-29 15:02:46,381 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 15:02:46,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,426 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-09-29 15:02:46,461 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 15:02:46,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-09-29 15:02:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,492 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-09-29 15:02:46,494 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 15:02:46,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:02:46,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:02:46,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:02:46,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:02:46,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,521 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-09-29 15:02:46,524 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 15:02:46,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:02:46,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:02:46,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:02:46,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:02:46,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:02:46,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:02:46,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:02:46,564 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-09-29 15:02:46,564 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:02:46,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:02:46,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:02:46,565 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:02:46,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-09-29 15:02:46,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:02:46,588 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:02:46,588 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:02:46,588 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork0_i#1) = 1*N - 1*sumThread1of1ForFork0_i#1 Supporting invariants [] [2022-09-29 15:02:46,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-09-29 15:02:46,619 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:02:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:02:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:46,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:02:46,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:02:46,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:02:46,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:02:46,648 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 15:02:46,648 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:02:46,648 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:02:46,830 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 6 states and 1639 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:02:46,830 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:02:49,901 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:02:49,902 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 15:02:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 15:02:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 546 transitions. [2022-09-29 15:02:49,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:02:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:49,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:02:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:49,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 546 transitions. Stem has 3 letters. Loop has 4 letters. [2022-09-29 15:02:49,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:02:49,923 INFO L428 stractBuchiCegarLoop]: Abstraction has has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:02:49,923 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:02:49,923 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:02:51,805 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:02:54,793 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:02:56,477 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:02:59,378 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:01,133 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:03:01,982 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:03,657 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:03:06,874 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:06,970 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 87 places, 203040 transitions, 1816128 flow [2022-09-29 15:03:10,013 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:03:10,013 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:03:10,013 INFO L123 PetriNetUnfolderBase]: 1359/1659 cut-off events. [2022-09-29 15:03:10,013 INFO L124 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES. [2022-09-29 15:03:10,013 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:03:10,014 INFO L733 eck$LassoCheckResult]: Stem: 128#[ULTIMATE.startENTRY]true [162] ULTIMATE.startENTRY-->sumENTRY: Formula: (= v_sumThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{sumThread1of1ForFork0_x#1=|v_sumThread1of1ForFork0_x#1_10|, sumThread1of1ForFork0_log_msg#1=|v_sumThread1of1ForFork0_log_msg#1_10|, sumThread1of1ForFork0_i#1=|v_sumThread1of1ForFork0_i#1_16|, sumThread1of1ForFork0_thidvar0=v_sumThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[sumThread1of1ForFork0_x#1, sumThread1of1ForFork0_log_msg#1, sumThread1of1ForFork0_i#1, sumThread1of1ForFork0_thidvar0] 130#[L54, sumENTRY]true [165] L54-->sumENTRY: Formula: (and (= 2 v_sumThread1of1ForFork1_thidvar1_2) (= 2 v_sumThread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_10|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_10|, sumThread1of1ForFork1_thidvar0=v_sumThread1of1ForFork1_thidvar0_2, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_16|, sumThread1of1ForFork1_thidvar1=v_sumThread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_thidvar0, sumThread1of1ForFork1_i#1, sumThread1of1ForFork1_thidvar1] 189#[sumENTRY, sumENTRY, L55]true [217] sumENTRY-->L39-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_17| 0) (= |v_sumThread1of1ForFork1_i#1_21| 0)) InVars {} OutVars{sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_17|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_21|} AuxVars[] AssignedVars[sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_i#1] 191#[sumENTRY, L39-1, L55]true [168] L55-->sumENTRY: Formula: (and (= 3 v_sumThread1of1ForFork2_thidvar1_2) (= 3 v_sumThread1of1ForFork2_thidvar0_2) (= 3 v_sumThread1of1ForFork2_thidvar2_2)) InVars {} OutVars{sumThread1of1ForFork2_thidvar0=v_sumThread1of1ForFork2_thidvar0_2, sumThread1of1ForFork2_thidvar1=v_sumThread1of1ForFork2_thidvar1_2, sumThread1of1ForFork2_x#1=|v_sumThread1of1ForFork2_x#1_10|, sumThread1of1ForFork2_thidvar2=v_sumThread1of1ForFork2_thidvar2_2, sumThread1of1ForFork2_log_msg#1=|v_sumThread1of1ForFork2_log_msg#1_10|, sumThread1of1ForFork2_i#1=|v_sumThread1of1ForFork2_i#1_16|} AuxVars[] AssignedVars[sumThread1of1ForFork2_thidvar0, sumThread1of1ForFork2_thidvar1, sumThread1of1ForFork2_x#1, sumThread1of1ForFork2_thidvar2, sumThread1of1ForFork2_log_msg#1, sumThread1of1ForFork2_i#1] 302#[sumENTRY, sumENTRY, L56, L39-1]true [2022-09-29 15:03:10,014 INFO L735 eck$LassoCheckResult]: Loop: 302#[sumENTRY, sumENTRY, L56, L39-1]true [247] L39-1-->L45-1: Formula: (and (= |v_sumThread1of1ForFork1_x#1_27| (+ (select v_A_24 |v_sumThread1of1ForFork1_i#1_34|) |v_sumThread1of1ForFork1_x#1_28|)) (< |v_sumThread1of1ForFork1_i#1_34| v_N_35) (= (store v_stdout_238 v_stdout_ptr_240 |v_sumThread1of1ForFork1_log_msg#1_51|) v_stdout_237) (= (+ v_stdout_ptr_240 1) v_stdout_ptr_239) (= |v_sumThread1of1ForFork1_i#1_33| (+ |v_sumThread1of1ForFork1_i#1_34| 1)) (= |v_sumThread1of1ForFork1_i#1_33| |v_sumThread1of1ForFork1_log_msg#1_51|)) InVars {A=v_A_24, stdout=v_stdout_238, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_28|, N=v_N_35, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_34|, stdout_ptr=v_stdout_ptr_240} OutVars{A=v_A_24, stdout=v_stdout_237, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_27|, N=v_N_35, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_51|, sumThread1of1ForFork1_i#1=|v_sumThread1of1ForFork1_i#1_33|, stdout_ptr=v_stdout_ptr_239} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_x#1, sumThread1of1ForFork1_log_msg#1, sumThread1of1ForFork1_i#1, stdout_ptr] 305#[sumENTRY, sumENTRY, L56, L45-1]true [239] L45-1-->L39-1: Formula: (and (= v_stdout_ptr_157 (+ v_stdout_ptr_158 1)) (= |v_sumThread1of1ForFork1_x#1_19| |v_sumThread1of1ForFork1_log_msg#1_31|) (= v_stdout_155 (store v_stdout_156 v_stdout_ptr_158 |v_sumThread1of1ForFork1_log_msg#1_31|))) InVars {stdout=v_stdout_156, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_19|, stdout_ptr=v_stdout_ptr_158} OutVars{stdout=v_stdout_155, sumThread1of1ForFork1_x#1=|v_sumThread1of1ForFork1_x#1_19|, sumThread1of1ForFork1_log_msg#1=|v_sumThread1of1ForFork1_log_msg#1_31|, stdout_ptr=v_stdout_ptr_157} AuxVars[] AssignedVars[stdout, sumThread1of1ForFork1_log_msg#1, stdout_ptr] 302#[sumENTRY, sumENTRY, L56, L39-1]true [2022-09-29 15:03:10,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:10,015 INFO L85 PathProgramCache]: Analyzing trace with hash 5915123, now seen corresponding path program 1 times [2022-09-29 15:03:10,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:10,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586468585] [2022-09-29 15:03:10,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:10,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,022 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:10,025 INFO L85 PathProgramCache]: Analyzing trace with hash 8857, now seen corresponding path program 2 times [2022-09-29 15:03:10,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:10,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685101991] [2022-09-29 15:03:10,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:10,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,034 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:10,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:10,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1389473803, now seen corresponding path program 1 times [2022-09-29 15:03:10,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:03:10,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969347940] [2022-09-29 15:03:10,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:03:10,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:03:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,049 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:03:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:03:10,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:03:10,117 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:03:10,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:03:10,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:03:10,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:03:10,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:03:10,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:03:10,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:03:10,118 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-sum-with-log-6threads.bpl_BEv2_Iteration4_Lasso [2022-09-29 15:03:10,118 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:03:10,118 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:03:10,120 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 15:03:10,122 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 15:03:10,123 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 15:03:10,137 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 15:03:10,139 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 15:03:10,140 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 15:03:10,141 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 15:03:10,143 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 15:03:10,145 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 15:03:10,146 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 15:03:10,149 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 15:03:10,150 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 15:03:10,151 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 15:03:10,231 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:03:10,231 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:03:10,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,233 INFO L229 MonitoredProcess]: Starting monitored process 20 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 15:03:10,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-09-29 15:03:10,240 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 15:03:10,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-09-29 15:03:10,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,265 INFO L229 MonitoredProcess]: Starting monitored process 21 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 15:03:10,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-09-29 15:03:10,267 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 15:03:10,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,291 INFO L229 MonitoredProcess]: Starting monitored process 22 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 15:03:10,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-09-29 15:03:10,294 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 15:03:10,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:03:10,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:03:10,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:03:10,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-09-29 15:03:10,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,369 INFO L229 MonitoredProcess]: Starting monitored process 23 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 15:03:10,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-09-29 15:03:10,371 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 15:03:10,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:03:10,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-09-29 15:03:10,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,420 INFO L229 MonitoredProcess]: Starting monitored process 24 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 15:03:10,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-09-29 15:03:10,421 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 15:03:10,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:03:10,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:03:10,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:03:10,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:03:10,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:03:10,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:03:10,440 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:03:10,445 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-09-29 15:03:10,445 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:03:10,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:03:10,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:03:10,446 INFO L229 MonitoredProcess]: Starting monitored process 25 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 15:03:10,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-09-29 15:03:10,448 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:03:10,454 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:03:10,454 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:03:10,454 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, sumThread1of1ForFork1_i#1) = 1*N - 1*sumThread1of1ForFork1_i#1 Supporting invariants [] [2022-09-29 15:03:10,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-09-29 15:03:10,471 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:03:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:03:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:10,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:03:10,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:03:10,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:03:10,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:03:10,517 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 15:03:10,518 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-09-29 15:03:10,518 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 15:03:10,688 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 6 states and 1639 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:03:10,688 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:03:11,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-09-29 15:04:26,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 Received shutdown request... [2022-09-29 15:05:30,659 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 15:05:34,191 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 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown