/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:21,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:21,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:21,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:21,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:21,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:21,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:21,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:21,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:21,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:21,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:21,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:21,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:21,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:21,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:21,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:21,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:21,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:21,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:21,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:21,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:21,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:21,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:21,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:21,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:21,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:00:21,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:00:21,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:00:21,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:00:21,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:00:21,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:00:21,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:00:21,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:00:21,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:21,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:21,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:21,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-09-29 15:00:21,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:21,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:21,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:21,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:21,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:21,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:21,631 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:21,634 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:21,634 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:21,634 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:21,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:21,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:21,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:21,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:21,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:21,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:21,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:21,638 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:21,638 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:21,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:21,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:21,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:21,868 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:21,869 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:21,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl [2022-09-29 15:00:21,870 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum-print2.bpl' [2022-09-29 15:00:21,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:21,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:21,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:21,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:21,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:21,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,917 INFO L137 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:21,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:21,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:21,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:21,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:21,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:21,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:21,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:21,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:21,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/1) ... [2022-09-29 15:00:21,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:21,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:21,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:21,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-09-29 15:00:21,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T4 given in one single declaration [2022-09-29 15:00:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure T4 [2022-09-29 15:00:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure T4 [2022-09-29 15:00:21,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:22,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2022-09-29 15:00:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2022-09-29 15:00:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2022-09-29 15:00:22,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T3 given in one single declaration [2022-09-29 15:00:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure T3 [2022-09-29 15:00:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure T3 [2022-09-29 15:00:22,001 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 15:00:22,041 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:22,042 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:22,118 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:22,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:22,131 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-29 15:00:22,132 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: T2EXIT is neither atomic block end nor error location. [2022-09-29 15:00:22,132 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: T3EXIT is neither atomic block end nor error location. [2022-09-29 15:00:22,133 INFO L202 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:22 BoogieIcfgContainer [2022-09-29 15:00:22,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:22,134 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:22,134 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:22,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:22,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:22,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:21" (1/2) ... [2022-09-29 15:00:22,139 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6403364c and model type sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:22, skipping insertion in model container [2022-09-29 15:00:22,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:22,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:22" (2/2) ... [2022-09-29 15:00:22,140 INFO L322 chiAutomizerObserver]: Analyzing ICFG sum-print2.bpl [2022-09-29 15:00:22,233 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 15:00:22,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 32 transitions, 88 flow [2022-09-29 15:00:22,290 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:22,290 INFO L123 PetriNetUnfolderBase]: 4/26 cut-off events. [2022-09-29 15:00:22,290 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:22,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2022-09-29 15:00:22,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 32 transitions, 88 flow [2022-09-29 15:00:22,303 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 26 transitions, 70 flow [2022-09-29 15:00:22,305 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:22,327 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 26 transitions, 70 flow [2022-09-29 15:00:22,331 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 26 transitions, 70 flow [2022-09-29 15:00:22,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 26 transitions, 70 flow [2022-09-29 15:00:22,341 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:22,341 INFO L123 PetriNetUnfolderBase]: 4/26 cut-off events. [2022-09-29 15:00:22,342 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:00:22,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 26 events. 4/26 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 20. Up to 3 conditions per place. [2022-09-29 15:00:22,343 INFO L116 LiptonReduction]: Number of co-enabled transitions 144 [2022-09-29 15:00:22,676 INFO L131 LiptonReduction]: Checked pairs total: 174 [2022-09-29 15:00:22,676 INFO L133 LiptonReduction]: Total number of compositions: 12 [2022-09-29 15:00:22,705 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:22,706 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:22,706 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:22,706 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:22,706 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:22,706 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:22,706 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:22,706 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:22,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:22,744 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 19 [2022-09-29 15:00:22,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:22,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:22,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 15:00:22,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:22,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:22,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 31 states, but on-demand construction may add more states [2022-09-29 15:00:22,751 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 19 [2022-09-29 15:00:22,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:22,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:22,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-09-29 15:00:22,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:22,755 INFO L733 eck$LassoCheckResult]: Stem: 38#[ULTIMATE.startENTRY]don't care [107] ULTIMATE.startENTRY-->L76: Formula: (and (= v_i_32 0) (= v_y_28 0) (= v_x_26 0)) InVars {} OutVars{i=v_i_32, y=v_y_28, x=v_x_26} AuxVars[] AssignedVars[i, y, x] 41#[L76]don't care [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] 43#[L76-1, L25]don't care [2022-09-29 15:00:22,755 INFO L735 eck$LassoCheckResult]: Loop: 43#[L76-1, L25]don't care [85] L25-->L25: Formula: (and (= (+ v_x_17 (select v_A_9 v_i_21)) v_x_16) (= v_i_20 (+ v_i_21 1)) (< v_i_21 v_N_9)) InVars {A=v_A_9, i=v_i_21, x=v_x_17, N=v_N_9} OutVars{A=v_A_9, i=v_i_20, x=v_x_16, N=v_N_9} AuxVars[] AssignedVars[i, x] 43#[L76-1, L25]don't care [2022-09-29 15:00:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:22,759 INFO L85 PathProgramCache]: Analyzing trace with hash 4368, now seen corresponding path program 1 times [2022-09-29 15:00:22,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:22,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465338807] [2022-09-29 15:00:22,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:22,837 INFO L85 PathProgramCache]: Analyzing trace with hash 116, now seen corresponding path program 1 times [2022-09-29 15:00:22,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:22,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116212287] [2022-09-29 15:00:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash 135493, now seen corresponding path program 1 times [2022-09-29 15:00:22,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:22,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025847138] [2022-09-29 15:00:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:22,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,858 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:22,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:22,987 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:22,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:22,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:22,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:22,988 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:22,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:22,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:22,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:22,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:22,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:22,988 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:22,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,078 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:23,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:23,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-09-29 15:00:23,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:23,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:23,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:23,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:23,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:23,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:23,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:23,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:23,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:23,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-09-29 15:00:23,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:23,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:23,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:23,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:23,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:23,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:23,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:23,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:23,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-09-29 15:00:23,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:23,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:23,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:23,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:23,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:23,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:23,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:23,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:23,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-09-29 15:00:23,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:23,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:23,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:23,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:23,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:23,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:23,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:23,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:23,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:23,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-09-29 15:00:23,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:23,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:23,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:23,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:23,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:23,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:23,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:23,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:23,350 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:23,351 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:23,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:23,353 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:23,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:23,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-09-29 15:00:23,398 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:23,398 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:23,398 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i) = 1*N - 1*i Supporting invariants [] [2022-09-29 15:00:23,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:23,431 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:23,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:23,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:23,488 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:23,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:00:23,521 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:00:23,522 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 31 states, but on-demand construction may add more states Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:23,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 31 states, but on-demand construction may add more states. Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 285 transitions. Complement of second has 4 states. [2022-09-29 15:00:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2022-09-29 15:00:23,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 2 letters. Loop has 1 letters. [2022-09-29 15:00:23,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:23,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:00:23,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:23,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 2 letters. Loop has 2 letters. [2022-09-29 15:00:23,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:23,576 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 285 transitions. [2022-09-29 15:00:23,582 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-09-29 15:00:23,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 61 states and 178 transitions. [2022-09-29 15:00:23,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-09-29 15:00:23,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2022-09-29 15:00:23,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 178 transitions. [2022-09-29 15:00:23,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:23,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 178 transitions. [2022-09-29 15:00:23,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 178 transitions. [2022-09-29 15:00:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 46. [2022-09-29 15:00:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 3.152173913043478) internal successors, (145), 45 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 145 transitions. [2022-09-29 15:00:23,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 145 transitions. [2022-09-29 15:00:23,608 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 145 transitions. [2022-09-29 15:00:23,608 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:23,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 145 transitions. [2022-09-29 15:00:23,609 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 7 [2022-09-29 15:00:23,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:23,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:23,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:23,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:23,610 INFO L733 eck$LassoCheckResult]: Stem: 258#[ULTIMATE.startENTRY]don't care [107] ULTIMATE.startENTRY-->L76: Formula: (and (= v_i_32 0) (= v_y_28 0) (= v_x_26 0)) InVars {} OutVars{i=v_i_32, y=v_y_28, x=v_x_26} AuxVars[] AssignedVars[i, y, x] 260#[L76]don't care [90] L76-->L25: Formula: (and (= v_T2Thread1of1ForFork0_thidvar0_2 2) (= v_T2Thread1of1ForFork0_thidvar1_2 2)) InVars {} OutVars{T2Thread1of1ForFork0_thidvar1=v_T2Thread1of1ForFork0_thidvar1_2, T2Thread1of1ForFork0_thidvar0=v_T2Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T2Thread1of1ForFork0_thidvar1, T2Thread1of1ForFork0_thidvar0] 300#[L76-1, L25]don't care [93] L76-1-->L38: Formula: (and (= v_T3Thread1of1ForFork1_thidvar1_2 3) (= v_T3Thread1of1ForFork1_thidvar2_2 3) (= v_T3Thread1of1ForFork1_thidvar0_2 3)) InVars {} OutVars{T3Thread1of1ForFork1_thidvar1=v_T3Thread1of1ForFork1_thidvar1_2, T3Thread1of1ForFork1_thidvar2=v_T3Thread1of1ForFork1_thidvar2_2, T3Thread1of1ForFork1_thidvar0=v_T3Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[T3Thread1of1ForFork1_thidvar1, T3Thread1of1ForFork1_thidvar2, T3Thread1of1ForFork1_thidvar0] 288#[L25, L77, L38]don't care [96] L77-->T4ENTRY: Formula: (and (= v_T4Thread1of1ForFork2_thidvar1_2 4) (= v_T4Thread1of1ForFork2_thidvar2_2 4) (= v_T4Thread1of1ForFork2_thidvar3_2 4) (= v_T4Thread1of1ForFork2_thidvar0_2 4)) InVars {} OutVars{T4Thread1of1ForFork2_thidvar2=v_T4Thread1of1ForFork2_thidvar2_2, T4Thread1of1ForFork2_thidvar1=v_T4Thread1of1ForFork2_thidvar1_2, T4Thread1of1ForFork2_thidvar3=v_T4Thread1of1ForFork2_thidvar3_2, T4Thread1of1ForFork2_thidvar0=v_T4Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[T4Thread1of1ForFork2_thidvar2, T4Thread1of1ForFork2_thidvar1, T4Thread1of1ForFork2_thidvar3, T4Thread1of1ForFork2_thidvar0] 228#[L25, L38, T4ENTRY, L78]don't care [74] T4ENTRY-->L54-2: Formula: (= v_k_1 0) InVars {} OutVars{k=v_k_1} AuxVars[] AssignedVars[k] 234#[L25, L54-2, L38, L78]don't care [2022-09-29 15:00:23,610 INFO L735 eck$LassoCheckResult]: Loop: 234#[L25, L54-2, L38, L78]don't care [111] L54-2-->L54-2: Formula: (let ((.cse0 (select v_A_In_1 v_k_In_1))) (or (and (= v_k_Out_2 (+ 2 v_k_In_1)) (< v_k_Out_2 (+ v_N_In_1 1)) (= v_y_Out_2 (+ .cse0 (select v_A_In_1 (+ (- 1) v_k_Out_2)) v_y_In_1))) (and (not (< v_k_Out_2 v_N_In_1)) (= (+ .cse0 v_y_In_1) v_y_Out_2) (< v_k_In_1 v_N_In_1) (= v_k_Out_2 (+ v_k_In_1 1))))) InVars {A=v_A_In_1, y=v_y_In_1, N=v_N_In_1, k=v_k_In_1} OutVars{A=v_A_In_1, y=v_y_Out_2, N=v_N_In_1, k=v_k_Out_2} AuxVars[] AssignedVars[k, y] 234#[L25, L54-2, L38, L78]don't care [2022-09-29 15:00:23,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:23,610 INFO L85 PathProgramCache]: Analyzing trace with hash 130219511, now seen corresponding path program 1 times [2022-09-29 15:00:23,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:23,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640931688] [2022-09-29 15:00:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:23,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,615 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:23,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:23,620 INFO L85 PathProgramCache]: Analyzing trace with hash 142, now seen corresponding path program 1 times [2022-09-29 15:00:23,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:23,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086718702] [2022-09-29 15:00:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:23,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,625 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:23,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:23,631 INFO L85 PathProgramCache]: Analyzing trace with hash -258162344, now seen corresponding path program 1 times [2022-09-29 15:00:23,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:23,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192188020] [2022-09-29 15:00:23,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:23,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:23,761 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:23,761 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:23,761 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:23,762 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:23,762 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:23,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:23,767 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:23,767 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:23,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum-print2.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:23,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:23,767 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:23,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:23,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-09-29 15:00:24,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:24,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-09-29 15:00:24,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:24,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:24,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:24,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:24,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:24,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,067 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-09-29 15:00:24,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:24,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:24,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:24,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:24,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:24,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-09-29 15:00:24,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:24,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:24,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:24,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:24,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:24,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-09-29 15:00:24,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,244 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-09-29 15:00:24,248 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 15:00:24,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:24,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:24,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:24,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:24,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-09-29 15:00:24,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,287 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-09-29 15:00:24,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:24,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:24,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:24,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:24,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:24,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,334 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-09-29 15:00:24,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-09-29 15:00:24,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:24,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:24,354 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-09-29 15:00:24,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:24,365 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-09-29 15:00:24,366 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-09-29 15:00:24,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:24,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,449 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-09-29 15:00:24,449 INFO L444 ModelExtractionUtils]: 21 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:00:24,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:24,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:24,464 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-09-29 15:00:24,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-09-29 15:00:24,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:24,485 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-09-29 15:00:24,485 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:24,485 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, k) = 1*N - 1*k Supporting invariants [] [2022-09-29 15:00:24,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,515 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2022-09-29 15:00:24,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:24,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:24,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:24,545 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-29 15:00:24,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 15:00:24,546 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-09-29 15:00:24,547 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 145 transitions. cyclomatic complexity: 118 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:24,581 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 145 transitions. cyclomatic complexity: 118. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 86 states and 244 transitions. Complement of second has 4 states. [2022-09-29 15:00:24,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:24,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:00:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-09-29 15:00:24,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:24,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:24,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:24,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:24,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:24,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:24,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 244 transitions. [2022-09-29 15:00:24,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:24,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 0 states and 0 transitions. [2022-09-29 15:00:24,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:24,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:24,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:24,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:24,585 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:24,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:24,585 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:24,585 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:24,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:24,585 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:24,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:24,589 INFO L202 PluginConnector]: Adding new model sum-print2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:24 BoogieIcfgContainer [2022-09-29 15:00:24,589 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:24,590 INFO L158 Benchmark]: Toolchain (without parser) took 2692.84ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 143.3MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:24,590 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 175.1MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:24,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.47ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 135.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:24,590 INFO L158 Benchmark]: Boogie Preprocessor took 14.90ms. Allocated memory is still 175.1MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:24,591 INFO L158 Benchmark]: RCFGBuilder took 197.96ms. Allocated memory is still 175.1MB. Free memory was 134.3MB in the beginning and 124.4MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-29 15:00:24,591 INFO L158 Benchmark]: BuchiAutomizer took 2455.01ms. Allocated memory is still 175.1MB. Free memory was 124.1MB in the beginning and 143.3MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:24,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14ms. Allocated memory is still 175.1MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.47ms. Allocated memory is still 175.1MB. Free memory was 136.7MB in the beginning and 135.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.90ms. Allocated memory is still 175.1MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.96ms. Allocated memory is still 175.1MB. Free memory was 134.3MB in the beginning and 124.4MB in the end (delta: 9.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2455.01ms. Allocated memory is still 175.1MB. Free memory was 124.1MB in the beginning and 143.3MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * k + N and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 8 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp134 ukn62 mio100 lsp78 div100 bol100 ite100 ukn100 eq186 hnf96 smp100 dnf96 smp86 tf100 neg99 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 152ms VariablesStem: 2 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 32 PlacesBefore, 23 PlacesAfterwards, 26 TransitionsBefore, 16 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 4 FixpointIterations, 3 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 12 TotalNumberOfCompositions, 174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 174, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 174, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:00:24,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:24,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...