/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/sumsumsampleabs2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:00:26,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:00:26,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:00:26,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:00:26,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:00:26,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:00:26,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:00:26,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:00:26,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:00:26,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:00:26,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:00:26,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:00:26,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:00:26,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:00:26,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:00:26,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:00:26,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:00:26,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:00:26,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:00:26,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:00:26,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:00:26,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:00:26,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:00:26,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:00:26,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 15:00:26,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:00:26,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:00:26,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:00:26,208 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 15:00:26,230 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:00:26,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:00:26,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:00:26,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:00:26,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:00:26,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:00:26,232 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:00:26,232 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:00:26,232 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:00:26,232 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:00:26,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:00:26,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:00:26,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:00:26,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:00:26,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:00:26,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:00:26,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:00:26,235 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:00:26,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:00:26,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:00:26,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:00:26,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:00:26,413 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:00:26,413 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:00:26,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl [2022-09-29 15:00:26,414 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs2.bpl' [2022-09-29 15:00:26,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:00:26,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:00:26,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:26,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:00:26,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:00:26,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,460 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:00:26,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:00:26,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:00:26,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:00:26,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:00:26,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:00:26,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:00:26,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:00:26,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:00:26,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/1) ... [2022-09-29 15:00:26,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:26,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:26,493 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 15:00:26,509 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 15:00:26,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2022-09-29 15:00:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2022-09-29 15:00:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2022-09-29 15:00:26,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2022-09-29 15:00:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2022-09-29 15:00:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2022-09-29 15:00:26,539 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2022-09-29 15:00:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2022-09-29 15:00:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2022-09-29 15:00:26,540 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:00:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:00:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:00:26,541 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-09-29 15:00:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-09-29 15:00:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-09-29 15:00:26,542 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 15:00:26,581 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:00:26,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:00:26,648 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:00:26,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:00:26,653 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:00:26,654 INFO L202 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:26 BoogieIcfgContainer [2022-09-29 15:00:26,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:00:26,655 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:00:26,655 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:00:26,671 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:00:26,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:26,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:00:26" (1/2) ... [2022-09-29 15:00:26,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4871c18d and model type sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:00:26, skipping insertion in model container [2022-09-29 15:00:26,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:00:26,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:00:26" (2/2) ... [2022-09-29 15:00:26,674 INFO L322 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs2.bpl [2022-09-29 15:00:26,723 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:00:26,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 106 flow [2022-09-29 15:00:26,786 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:26,786 INFO L123 PetriNetUnfolderBase]: 3/32 cut-off events. [2022-09-29 15:00:26,786 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:26,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 76 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:00:26,789 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 40 transitions, 106 flow [2022-09-29 15:00:26,792 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 82 flow [2022-09-29 15:00:26,795 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:00:26,803 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 32 transitions, 82 flow [2022-09-29 15:00:26,805 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 32 transitions, 82 flow [2022-09-29 15:00:26,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 32 transitions, 82 flow [2022-09-29 15:00:26,812 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:00:26,812 INFO L123 PetriNetUnfolderBase]: 3/32 cut-off events. [2022-09-29 15:00:26,812 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:00:26,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 32 events. 3/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 74 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-09-29 15:00:26,813 INFO L116 LiptonReduction]: Number of co-enabled transitions 550 [2022-09-29 15:00:26,970 INFO L131 LiptonReduction]: Checked pairs total: 637 [2022-09-29 15:00:26,971 INFO L133 LiptonReduction]: Total number of compositions: 9 [2022-09-29 15:00:26,983 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:00:26,983 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:00:26,983 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:00:26,983 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:00:26,983 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:00:26,983 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:00:26,984 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:00:26,984 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-09-29 15:00:26,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-09-29 15:00:27,140 INFO L131 ngComponentsAnalysis]: Automaton has 141 accepting balls. 261 [2022-09-29 15:00:27,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:27,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:27,143 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:27,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-09-29 15:00:27,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:00:27,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 390 states, but on-demand construction may add more states [2022-09-29 15:00:27,158 INFO L131 ngComponentsAnalysis]: Automaton has 141 accepting balls. 261 [2022-09-29 15:00:27,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:27,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:27,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-09-29 15:00:27,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-09-29 15:00:27,163 INFO L733 eck$LassoCheckResult]: Stem: 49#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 52#[L68, bankENTRY]don't care [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 54#[sum1ENTRY, L69, bankENTRY]don't care [76] sum1ENTRY-->L22: Formula: (= v_sum1_1 0) InVars {} OutVars{sum1=v_sum1_1} AuxVars[] AssignedVars[sum1] 62#[bankENTRY, L22, L69]don't care [77] L22-->L23-1: Formula: (= v_i1_1 0) InVars {} OutVars{i1=v_i1_1} AuxVars[] AssignedVars[i1] 78#[L23-1, L69, bankENTRY]don't care [2022-09-29 15:00:27,163 INFO L735 eck$LassoCheckResult]: Loop: 78#[L23-1, L69, bankENTRY]don't care [116] L23-1-->L25: Formula: (and (< v_i1_18 v_N_9) (= (+ (let ((.cse0 (select v_A_23 v_i1_18))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum1_22) v_sum1_21)) InVars {sum1=v_sum1_22, A=v_A_23, N=v_N_9, i1=v_i1_18} OutVars{sum1=v_sum1_21, A=v_A_23, N=v_N_9, i1=v_i1_18} AuxVars[] AssignedVars[sum1] 104#[bankENTRY, L25, L69]don't care [82] L25-->L23-1: Formula: (= v_i1_4 (+ v_i1_5 1)) InVars {i1=v_i1_5} OutVars{i1=v_i1_4} AuxVars[] AssignedVars[i1] 78#[L23-1, L69, bankENTRY]don't care [2022-09-29 15:00:27,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:27,167 INFO L85 PathProgramCache]: Analyzing trace with hash 4034789, now seen corresponding path program 1 times [2022-09-29 15:00:27,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:27,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864747434] [2022-09-29 15:00:27,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:27,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:27,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:27,272 INFO L85 PathProgramCache]: Analyzing trace with hash 4639, now seen corresponding path program 1 times [2022-09-29 15:00:27,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:27,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095009401] [2022-09-29 15:00:27,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,321 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash -417531389, now seen corresponding path program 1 times [2022-09-29 15:00:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:27,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203257528] [2022-09-29 15:00:27,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:27,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,350 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:27,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:27,448 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:27,449 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:27,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:27,449 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:27,449 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:27,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:27,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:27,449 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:27,449 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:00:27,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:27,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:27,461 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 15:00:27,496 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 15:00:27,499 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 15:00:27,501 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 15:00:27,503 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 15:00:27,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:27,581 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:27,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:27,596 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 15:00:27,601 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 15:00:27,602 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 15:00:27,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:27,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:27,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:27,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:27,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:27,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:27,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:27,649 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:00:27,649 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:27,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:27,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:27,664 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 15:00:27,678 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:27,679 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 15:00:27,700 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:27,701 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:27,701 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, i1) = 1*N - 1*i1 Supporting invariants [] [2022-09-29 15:00:27,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-09-29 15:00:27,719 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:27,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:27,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:27,768 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:27,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:27,784 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 15:00:27,814 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 15:00:27,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 390 states, but on-demand construction may add more states Second 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 15:00:27,942 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 390 states, but on-demand construction may add more states. Second 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 960 states and 4046 transitions. Complement of second has 6 states. [2022-09-29 15:00:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:27,949 INFO L82 GeneralOperation]: Start removeUnreachable. 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 15:00:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 61 transitions. [2022-09-29 15:00:27,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:00:27,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:27,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 6 letters. Loop has 2 letters. [2022-09-29 15:00:27,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:27,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 4 letters. Loop has 4 letters. [2022-09-29 15:00:27,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:27,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 960 states and 4046 transitions. [2022-09-29 15:00:27,974 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 201 [2022-09-29 15:00:27,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 960 states to 777 states and 3264 transitions. [2022-09-29 15:00:27,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2022-09-29 15:00:28,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 598 [2022-09-29 15:00:28,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 777 states and 3264 transitions. [2022-09-29 15:00:28,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:28,001 INFO L218 hiAutomatonCegarLoop]: Abstraction has 777 states and 3264 transitions. [2022-09-29 15:00:28,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states and 3264 transitions. [2022-09-29 15:00:28,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 602. [2022-09-29 15:00:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 602 states have (on average 4.398671096345515) internal successors, (2648), 601 states have internal predecessors, (2648), 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 15:00:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 2648 transitions. [2022-09-29 15:00:28,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 602 states and 2648 transitions. [2022-09-29 15:00:28,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 602 states and 2648 transitions. [2022-09-29 15:00:28,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:00:28,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 602 states and 2648 transitions. [2022-09-29 15:00:28,095 INFO L131 ngComponentsAnalysis]: Automaton has 132 accepting balls. 201 [2022-09-29 15:00:28,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:28,095 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:28,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:28,096 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-09-29 15:00:28,096 INFO L733 eck$LassoCheckResult]: Stem: 3020#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 2930#[L68, bankENTRY]don't care [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 2768#[sum1ENTRY, L69, bankENTRY]don't care [107] L69-->sum2ENTRY: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 2770#[sum1ENTRY, L70, bankENTRY, sum2ENTRY]don't care [83] sum2ENTRY-->L34: Formula: (= v_sum2_3 0) InVars {} OutVars{sum2=v_sum2_3} AuxVars[] AssignedVars[sum2] 2808#[sum1ENTRY, L70, L34, bankENTRY]don't care [84] L34-->L35-1: Formula: (= v_i2_6 0) InVars {} OutVars{i2=v_i2_6} AuxVars[] AssignedVars[i2] 2848#[sum1ENTRY, L70, L35-1, bankENTRY]don't care [2022-09-29 15:00:28,096 INFO L735 eck$LassoCheckResult]: Loop: 2848#[sum1ENTRY, L70, L35-1, bankENTRY]don't care [118] L35-1-->L37: Formula: (and (< v_i2_21 v_N_13) (= (+ (let ((.cse0 (select v_A_25 v_i2_21))) (ite (< .cse0 0) (- .cse0) .cse0)) v_sum2_22) v_sum2_21)) InVars {A=v_A_25, sum2=v_sum2_22, N=v_N_13, i2=v_i2_21} OutVars{A=v_A_25, sum2=v_sum2_21, N=v_N_13, i2=v_i2_21} AuxVars[] AssignedVars[sum2] 2846#[sum1ENTRY, L70, L37, bankENTRY]don't care [89] L37-->L35-1: Formula: (= (+ v_i2_4 1) v_i2_3) InVars {i2=v_i2_4} OutVars{i2=v_i2_3} AuxVars[] AssignedVars[i2] 2848#[sum1ENTRY, L70, L35-1, bankENTRY]don't care [2022-09-29 15:00:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash 125108520, now seen corresponding path program 1 times [2022-09-29 15:00:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734378427] [2022-09-29 15:00:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,109 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 15:00:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,113 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 4708, now seen corresponding path program 1 times [2022-09-29 15:00:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983139524] [2022-09-29 15:00:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,174 INFO L85 PathProgramCache]: Analyzing trace with hash -29792821, now seen corresponding path program 1 times [2022-09-29 15:00:28,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533256107] [2022-09-29 15:00:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,185 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,256 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:28,256 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:28,256 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:28,256 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:28,256 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:28,256 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:28,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:28,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:00:28,257 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:28,257 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:28,258 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 15:00:28,260 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 15:00:28,262 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 15:00:28,264 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 15:00:28,287 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 15:00:28,289 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 15:00:28,290 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 15:00:28,293 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 15:00:28,295 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 15:00:28,390 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:28,390 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:28,401 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 15:00:28,413 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 15:00:28,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:28,419 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 15:00:28,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:28,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:28,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:28,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:28,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:28,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:28,456 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 15:00:28,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:28,458 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 15:00:28,459 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 15:00:28,460 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 15:00:28,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:28,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:28,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:28,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:28,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:28,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:28,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:28,521 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 15:00:28,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:28,536 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 15:00:28,538 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 15:00:28,539 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 15:00:28,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:28,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:28,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:28,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:28,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:28,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:28,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:28,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-09-29 15:00:28,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:28,580 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 15:00:28,581 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 15:00:28,582 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 15:00:28,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:28,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:28,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:28,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:28,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:28,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:28,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:28,610 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-09-29 15:00:28,610 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:28,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:28,611 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 15:00:28,612 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 15:00:28,613 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:28,627 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:28,627 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:28,627 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(i2, N) = -1*i2 + 1*N Supporting invariants [] [2022-09-29 15:00:28,643 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 15:00:28,644 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:28,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:28,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:28,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:28,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:28,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:28,691 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 15:00:28,692 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 15:00:28,692 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 602 states and 2648 transitions. cyclomatic complexity: 2226 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 15:00:28,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 602 states and 2648 transitions. cyclomatic complexity: 2226. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 1588 states and 7441 transitions. Complement of second has 6 states. [2022-09-29 15:00:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-09-29 15:00:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 15:00:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 61 transitions. [2022-09-29 15:00:28,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:28,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:28,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-09-29 15:00:28,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:28,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 5 letters. Loop has 4 letters. [2022-09-29 15:00:28,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:28,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1588 states and 7441 transitions. [2022-09-29 15:00:28,775 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 99 [2022-09-29 15:00:28,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1588 states to 1111 states and 5159 transitions. [2022-09-29 15:00:28,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 436 [2022-09-29 15:00:28,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 587 [2022-09-29 15:00:28,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1111 states and 5159 transitions. [2022-09-29 15:00:28,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-09-29 15:00:28,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1111 states and 5159 transitions. [2022-09-29 15:00:28,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states and 5159 transitions. [2022-09-29 15:00:28,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 876. [2022-09-29 15:00:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 876 states have (on average 4.784246575342466) internal successors, (4191), 875 states have internal predecessors, (4191), 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 15:00:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 4191 transitions. [2022-09-29 15:00:28,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 876 states and 4191 transitions. [2022-09-29 15:00:28,808 INFO L428 stractBuchiCegarLoop]: Abstraction has 876 states and 4191 transitions. [2022-09-29 15:00:28,808 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:00:28,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 876 states and 4191 transitions. [2022-09-29 15:00:28,814 INFO L131 ngComponentsAnalysis]: Automaton has 99 accepting balls. 99 [2022-09-29 15:00:28,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-09-29 15:00:28,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-09-29 15:00:28,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-09-29 15:00:28,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-09-29 15:00:28,815 INFO L733 eck$LassoCheckResult]: Stem: 6049#[ULTIMATE.startENTRY]don't care [101] ULTIMATE.startENTRY-->bankENTRY: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 5903#[L68, bankENTRY]don't care [104] L68-->sum1ENTRY: Formula: (and (= 2 v_sum1Thread1of1ForFork1_thidvar1_2) (= 2 v_sum1Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{sum1Thread1of1ForFork1_thidvar1=v_sum1Thread1of1ForFork1_thidvar1_2, sum1Thread1of1ForFork1_thidvar0=v_sum1Thread1of1ForFork1_thidvar0_2, sum1Thread1of1ForFork1_x=v_sum1Thread1of1ForFork1_x_2} AuxVars[] AssignedVars[sum1Thread1of1ForFork1_thidvar1, sum1Thread1of1ForFork1_thidvar0, sum1Thread1of1ForFork1_x] 5639#[sum1ENTRY, L69, bankENTRY]don't care [107] L69-->sum2ENTRY: Formula: (and (= 3 v_sum2Thread1of1ForFork2_thidvar1_2) (= 3 v_sum2Thread1of1ForFork2_thidvar2_2) (= 3 v_sum2Thread1of1ForFork2_thidvar0_2)) InVars {} OutVars{sum2Thread1of1ForFork2_thidvar0=v_sum2Thread1of1ForFork2_thidvar0_2, sum2Thread1of1ForFork2_thidvar1=v_sum2Thread1of1ForFork2_thidvar1_2, sum2Thread1of1ForFork2_thidvar2=v_sum2Thread1of1ForFork2_thidvar2_2, sum2Thread1of1ForFork2_y=v_sum2Thread1of1ForFork2_y_2} AuxVars[] AssignedVars[sum2Thread1of1ForFork2_thidvar0, sum2Thread1of1ForFork2_thidvar1, sum2Thread1of1ForFork2_thidvar2, sum2Thread1of1ForFork2_y] 5641#[sum1ENTRY, L70, bankENTRY, sum2ENTRY]don't care [110] L70-->mapAbsENTRY: Formula: (and (= v_mapAbsThread1of1ForFork3_thidvar2_2 4) (= v_mapAbsThread1of1ForFork3_thidvar1_2 4) (= v_mapAbsThread1of1ForFork3_thidvar0_2 4) (= v_mapAbsThread1of1ForFork3_thidvar3_2 4)) InVars {} OutVars{mapAbsThread1of1ForFork3_thidvar3=v_mapAbsThread1of1ForFork3_thidvar3_2, mapAbsThread1of1ForFork3_thidvar2=v_mapAbsThread1of1ForFork3_thidvar2_2, mapAbsThread1of1ForFork3_thidvar1=v_mapAbsThread1of1ForFork3_thidvar1_2, mapAbsThread1of1ForFork3_thidvar0=v_mapAbsThread1of1ForFork3_thidvar0_2, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_14} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_thidvar3, mapAbsThread1of1ForFork3_thidvar2, mapAbsThread1of1ForFork3_thidvar1, mapAbsThread1of1ForFork3_thidvar0, mapAbsThread1of1ForFork3_j] 4773#[mapAbsENTRY, L71, bankENTRY, sum2ENTRY, sum1ENTRY]don't care [93] mapAbsENTRY-->L57-1: Formula: (= v_mapAbsThread1of1ForFork3_j_1 0) InVars {} OutVars{mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_1} AuxVars[] AssignedVars[mapAbsThread1of1ForFork3_j] 4781#[L71, bankENTRY, sum2ENTRY, sum1ENTRY, L57-1]don't care [2022-09-29 15:00:28,815 INFO L735 eck$LassoCheckResult]: Loop: 4781#[L71, bankENTRY, sum2ENTRY, sum1ENTRY, L57-1]don't care [121] L57-1-->L57-1: Formula: (and (= v_A_35 (store v_A_36 v_mapAbsThread1of1ForFork3_j_32 (let ((.cse0 (select v_A_36 v_mapAbsThread1of1ForFork3_j_32))) (ite (< .cse0 0) (- .cse0) .cse0)))) (< v_mapAbsThread1of1ForFork3_j_32 v_N_23) (= v_mapAbsThread1of1ForFork3_j_31 (+ v_mapAbsThread1of1ForFork3_j_32 1))) InVars {A=v_A_36, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_32} OutVars{A=v_A_35, N=v_N_23, mapAbsThread1of1ForFork3_j=v_mapAbsThread1of1ForFork3_j_31} AuxVars[] AssignedVars[A, mapAbsThread1of1ForFork3_j] 4781#[L71, bankENTRY, sum2ENTRY, sum1ENTRY, L57-1]don't care [2022-09-29 15:00:28,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,815 INFO L85 PathProgramCache]: Analyzing trace with hash 125109366, now seen corresponding path program 1 times [2022-09-29 15:00:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506158076] [2022-09-29 15:00:28,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,822 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,835 INFO L85 PathProgramCache]: Analyzing trace with hash 152, now seen corresponding path program 1 times [2022-09-29 15:00:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266654659] [2022-09-29 15:00:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:28,849 INFO L85 PathProgramCache]: Analyzing trace with hash -416576829, now seen corresponding path program 1 times [2022-09-29 15:00:28,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:00:28,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233487214] [2022-09-29 15:00:28,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:00:28,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:00:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:00:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:00:28,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:00:28,934 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:00:28,934 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:00:28,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:00:28,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:00:28,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:00:28,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:28,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:00:28,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:00:28,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: sumsumsampleabs2.bpl_BEv2_Iteration3_Lasso [2022-09-29 15:00:28,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:00:28,934 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:00:28,935 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 15:00:28,937 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 15:00:28,939 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 15:00:28,940 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 15:00:28,942 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 15:00:28,943 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 15:00:28,944 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 15:00:28,946 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 15:00:28,947 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 15:00:28,949 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 15:00:28,955 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 15:00:28,956 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 15:00:28,957 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 15:00:29,026 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:00:29,030 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:00:29,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,040 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 15:00:29,041 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 15:00:29,042 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 15:00:29,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,088 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 15:00:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,089 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 15:00:29,090 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 15:00:29,092 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 15:00:29,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,136 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 15:00:29,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,137 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 15:00:29,138 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 15:00:29,140 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 15:00:29,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:29,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,180 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 15:00:29,181 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 15:00:29,191 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 15:00:29,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,247 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 15:00:29,253 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 15:00:29,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,254 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 15:00:29,255 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 15:00:29,256 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 15:00:29,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,295 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 15:00:29,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,296 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 15:00:29,297 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 15:00:29,299 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 15:00:29,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:29,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:29,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:29,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,323 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 15:00:29,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,325 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 15:00:29,326 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 15:00:29,327 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 15:00:29,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,354 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 15:00:29,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,355 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 15:00:29,356 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 15:00:29,358 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 15:00:29,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:29,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,383 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 15:00:29,384 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 15:00:29,385 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 15:00:29,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,460 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 15:00:29,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,462 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 15:00:29,463 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 15:00:29,464 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 15:00:29,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:00:29,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:00:29,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:00:29,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:00:29,486 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 15:00:29,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,488 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 15:00:29,488 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 15:00:29,490 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 15:00:29,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:00:29,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:00:29,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:00:29,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:00:29,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:00:29,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:00:29,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:00:29,527 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-09-29 15:00:29,528 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-09-29 15:00:29,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:00:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:00:29,539 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 15:00:29,541 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 15:00:29,541 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:00:29,550 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:00:29,550 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:00:29,550 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(N, mapAbsThread1of1ForFork3_j) = 1*N - 1*mapAbsThread1of1ForFork3_j Supporting invariants [] [2022-09-29 15:00:29,565 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 [2022-09-29 15:00:29,566 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:00:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:00:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:29,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:00:29,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:00:29,601 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:00:29,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:00:29,601 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 15:00:29,602 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 15:00:29,602 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 876 states and 4191 transitions. cyclomatic complexity: 3531 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 15:00:29,644 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 876 states and 4191 transitions. cyclomatic complexity: 3531. 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 2037 states and 9444 transitions. Complement of second has 4 states. [2022-09-29 15:00:29,644 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 15:00:29,645 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 15:00:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-09-29 15:00:29,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:00:29,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:29,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 6 letters. Loop has 1 letters. [2022-09-29 15:00:29,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:29,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 55 transitions. Stem has 5 letters. Loop has 2 letters. [2022-09-29 15:00:29,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:00:29,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2037 states and 9444 transitions. [2022-09-29 15:00:29,663 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:29,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2037 states to 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-09-29 15:00:29,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-09-29 15:00:29,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-29 15:00:29,664 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-09-29 15:00:29,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-09-29 15:00:29,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-09-29 15:00:29,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-09-29 15:00:29,670 INFO L202 PluginConnector]: Adding new model sumsumsampleabs2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:00:29 BoogieIcfgContainer [2022-09-29 15:00:29,670 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:00:29,671 INFO L158 Benchmark]: Toolchain (without parser) took 3236.34ms. Allocated memory was 213.9MB in the beginning and 264.2MB in the end (delta: 50.3MB). Free memory was 167.8MB in the beginning and 181.3MB in the end (delta: -13.5MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-09-29 15:00:29,671 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:00:29,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.56ms. Allocated memory is still 213.9MB. Free memory was 167.8MB in the beginning and 166.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:29,673 INFO L158 Benchmark]: Boogie Preprocessor took 11.54ms. Allocated memory is still 213.9MB. Free memory was 166.2MB in the beginning and 165.2MB in the end (delta: 973.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:00:29,675 INFO L158 Benchmark]: RCFGBuilder took 181.22ms. Allocated memory is still 213.9MB. Free memory was 165.1MB in the beginning and 181.1MB in the end (delta: -16.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-09-29 15:00:29,675 INFO L158 Benchmark]: BuchiAutomizer took 3015.52ms. Allocated memory was 213.9MB in the beginning and 264.2MB in the end (delta: 50.3MB). Free memory was 180.9MB in the beginning and 181.3MB in the end (delta: -381.3kB). Peak memory consumption was 49.8MB. Max. memory is 8.0GB. [2022-09-29 15:00:29,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 213.9MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.56ms. Allocated memory is still 213.9MB. Free memory was 167.8MB in the beginning and 166.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.54ms. Allocated memory is still 213.9MB. Free memory was 166.2MB in the beginning and 165.2MB in the end (delta: 973.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 181.22ms. Allocated memory is still 213.9MB. Free memory was 165.1MB in the beginning and 181.1MB in the end (delta: -16.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * BuchiAutomizer took 3015.52ms. Allocated memory was 213.9MB in the beginning and 264.2MB in the end (delta: 50.3MB). Free memory was 180.9MB in the beginning and 181.3MB in the end (delta: -381.3kB). Peak memory consumption was 49.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i1 and consists of 4 locations. One deterministic module has affine ranking function -1 * i2 + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 410 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 51 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp96 ukn44 mio100 lsp77 div100 bol100 ite100 ukn100 eq174 hnf98 smp100 dnf132 smp75 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 119ms VariablesStem: 1 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 42 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 23 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 637 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 464, positive: 437, positive conditional: 0, positive unconditional: 437, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 290, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 290, positive: 272, positive conditional: 0, positive unconditional: 272, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 464, positive: 160, positive conditional: 0, positive unconditional: 160, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 290, unknown conditional: 0, unknown unconditional: 290] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 87, Positive conditional cache size: 0, Positive unconditional cache size: 87, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:00:29,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-09-29 15:00:29,915 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...