/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf -i ../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.omega-petrinet-638c691-m [2022-09-29 15:06:45,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 15:06:45,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 15:06:45,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 15:06:45,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 15:06:45,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 15:06:45,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 15:06:45,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 15:06:45,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 15:06:45,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 15:06:45,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 15:06:45,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 15:06:45,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 15:06:45,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 15:06:45,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 15:06:45,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 15:06:45,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 15:06:45,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 15:06:45,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 15:06:45,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 15:06:45,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 15:06:45,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 15:06:45,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 15:06:45,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 15:06:45,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 15:06:45,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 15:06:45,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 15:06:45,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 15:06:45,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 15:06:45,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 15:06:45,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 15:06:45,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 15:06:45,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 15:06:45,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 15:06:45,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 15:06:45,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 15:06:45,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 15:06:45,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 15:06:45,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 15:06:45,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 15:06:45,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 15:06:45,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-buchi-pn-semanticLbe.epf [2022-09-29 15:06:45,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 15:06:45,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 15:06:45,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 15:06:45,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 15:06:45,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 15:06:45,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 15:06:45,368 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 15:06:45,368 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-09-29 15:06:45,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-09-29 15:06:45,368 INFO L138 SettingsManager]: * Use old map elimination=false [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Automaton type for concurrent programs=BUCHI_PETRI_NET [2022-09-29 15:06:45,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-09-29 15:06:45,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-09-29 15:06:45,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 15:06:45,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-09-29 15:06:45,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 15:06:45,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 15:06:45,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 15:06:45,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 15:06:45,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-09-29 15:06:45,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 15:06:45,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 15:06:45,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 15:06:45,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 15:06:45,594 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 15:06:45,599 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 15:06:45,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl [2022-09-29 15:06:45,600 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sum_diff_incr_decr.bpl' [2022-09-29 15:06:45,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 15:06:45,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-29 15:06:45,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:45,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-29 15:06:45,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-29 15:06:45,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,659 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-29 15:06:45,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-29 15:06:45,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 15:06:45,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 15:06:45,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 15:06:45,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 15:06:45,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 15:06:45,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 15:06:45,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 15:06:45,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/1) ... [2022-09-29 15:06:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:45,717 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 15:06:45,735 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 15:06:45,781 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-29 15:06:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 15:06:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 15:06:45,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T1 given in one single declaration [2022-09-29 15:06:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure T1 [2022-09-29 15:06:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure T1 [2022-09-29 15:06:45,782 INFO L124 BoogieDeclarations]: Specification and implementation of procedure T2 given in one single declaration [2022-09-29 15:06:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure T2 [2022-09-29 15:06:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure T2 [2022-09-29 15:06:45,783 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 15:06:45,827 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 15:06:45,829 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 15:06:45,940 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 15:06:45,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 15:06:45,950 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-29 15:06:45,952 INFO L202 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:45 BoogieIcfgContainer [2022-09-29 15:06:45,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 15:06:45,953 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-09-29 15:06:45,953 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-09-29 15:06:45,958 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-09-29 15:06:45,959 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:45,959 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 03:06:45" (1/2) ... [2022-09-29 15:06:45,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a98ad7b and model type sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.09 03:06:45, skipping insertion in model container [2022-09-29 15:06:45,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-09-29 15:06:45,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 03:06:45" (2/2) ... [2022-09-29 15:06:45,963 INFO L322 chiAutomizerObserver]: Analyzing ICFG sum_diff_incr_decr.bpl [2022-09-29 15:06:46,045 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-29 15:06:46,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 25 transitions, 66 flow [2022-09-29 15:06:46,100 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:46,100 INFO L123 PetriNetUnfolderBase]: 2/21 cut-off events. [2022-09-29 15:06:46,101 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:46,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2022-09-29 15:06:46,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 25 transitions, 66 flow [2022-09-29 15:06:46,106 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 21 transitions, 54 flow [2022-09-29 15:06:46,109 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-09-29 15:06:46,120 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 54 flow [2022-09-29 15:06:46,122 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 54 flow [2022-09-29 15:06:46,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 21 transitions, 54 flow [2022-09-29 15:06:46,128 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:46,128 INFO L123 PetriNetUnfolderBase]: 2/21 cut-off events. [2022-09-29 15:06:46,128 INFO L124 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2022-09-29 15:06:46,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 21 events. 2/21 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 16. Up to 2 conditions per place. [2022-09-29 15:06:46,129 INFO L116 LiptonReduction]: Number of co-enabled transitions 110 [2022-09-29 15:06:46,418 INFO L131 LiptonReduction]: Checked pairs total: 92 [2022-09-29 15:06:46,418 INFO L133 LiptonReduction]: Total number of compositions: 8 [2022-09-29 15:06:46,430 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-09-29 15:06:46,430 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-09-29 15:06:46,430 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-09-29 15:06:46,430 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-09-29 15:06:46,430 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-09-29 15:06:46,430 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-09-29 15:06:46,430 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-09-29 15:06:46,431 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2022-09-29 15:06:46,431 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:06:46,434 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:06:46,436 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:46,436 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:46,436 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:06:46,436 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:46,437 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:46,439 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-09-29 15:06:46,439 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:06:46,441 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 18 places, 13 transitions, 38 flow [2022-09-29 15:06:46,441 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:46,441 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:46,441 INFO L123 PetriNetUnfolderBase]: 0/3 cut-off events. [2022-09-29 15:06:46,441 INFO L124 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2022-09-29 15:06:46,441 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:46,446 INFO L733 eck$LassoCheckResult]: Stem: 32#[ULTIMATE.startENTRY]true [32] ULTIMATE.startENTRY-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[] 34#[L45]true [67] L45-->T1ENTRY: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0] 36#[T1ENTRY, L45-1]true [52] T1ENTRY-->L16-1: Formula: (= v_T1Thread1of1ForFork0_i_1 0) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_1} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i] 38#[L16-1, L45-1]true [2022-09-29 15:06:46,446 INFO L735 eck$LassoCheckResult]: Loop: 38#[L16-1, L45-1]true [79] L16-1-->L16-1: Formula: (and (= v_B_33 (store v_B_34 v_T1Thread1of1ForFork0_i_28 (+ (- 1) (select v_B_34 v_T1Thread1of1ForFork0_i_28)))) (= (+ v_T1Thread1of1ForFork0_i_28 1) v_T1Thread1of1ForFork0_i_27) (< v_T1Thread1of1ForFork0_i_28 v_N_12) (= (store v_A_34 v_T1Thread1of1ForFork0_i_28 (+ (select v_A_34 v_T1Thread1of1ForFork0_i_28) 1)) v_A_33)) InVars {A=v_A_34, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_28, N=v_N_12, B=v_B_34} OutVars{A=v_A_33, T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_27, N=v_N_12, B=v_B_33} AuxVars[] AssignedVars[A, T1Thread1of1ForFork0_i, B] 38#[L16-1, L45-1]true [2022-09-29 15:06:46,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:46,451 INFO L85 PathProgramCache]: Analyzing trace with hash 62672, now seen corresponding path program 1 times [2022-09-29 15:06:46,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:46,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470389304] [2022-09-29 15:06:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,520 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:46,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:46,539 INFO L85 PathProgramCache]: Analyzing trace with hash 110, now seen corresponding path program 1 times [2022-09-29 15:06:46,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:46,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420049875] [2022-09-29 15:06:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,556 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:46,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:46,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1942911, now seen corresponding path program 1 times [2022-09-29 15:06:46,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:46,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619594139] [2022-09-29 15:06:46,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,574 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:46,581 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:46,647 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:46,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:46,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:46,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:46,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:46,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:46,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:46,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:46,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_BEv2_Iteration1_Lasso [2022-09-29 15:06:46,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:46,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:46,661 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 15:06:46,684 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 15:06:46,727 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:46,766 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:46,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:46,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:46,785 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 15:06:46,796 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 15:06:46,796 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 15:06:46,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:46,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:46,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:46,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:46,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:46,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:46,842 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:46,862 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-09-29 15:06:46,862 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:06:46,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:46,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:46,865 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 15:06:46,866 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 15:06:46,868 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:46,878 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:46,879 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:46,879 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T1Thread1of1ForFork0_i, N) = -1*T1Thread1of1ForFork0_i + 1*N Supporting invariants [] [2022-09-29 15:06:46,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:46,900 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:46,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:46,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:46,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:46,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:46,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:46,972 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 15:06:47,004 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 15:06:47,007 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:47,102 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 286 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:47,103 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:47,106 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:47,108 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 15:06:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2022-09-29 15:06:47,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 3 letters. Loop has 1 letters. [2022-09-29 15:06:47,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:47,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:06:47,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:47,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 3 letters. Loop has 2 letters. [2022-09-29 15:06:47,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:47,117 INFO L428 stractBuchiCegarLoop]: Abstraction has has 30 places, 212 transitions, 1046 flow [2022-09-29 15:06:47,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-09-29 15:06:47,118 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:06:47,120 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:06:47,121 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:47,123 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:06:47,127 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:47,129 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 30 places, 212 transitions, 1046 flow [2022-09-29 15:06:47,131 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:47,132 INFO L157 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2022-09-29 15:06:47,132 INFO L123 PetriNetUnfolderBase]: 13/28 cut-off events. [2022-09-29 15:06:47,132 INFO L124 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2022-09-29 15:06:47,132 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is not empty [2022-09-29 15:06:47,133 INFO L733 eck$LassoCheckResult]: Stem: 32#[ULTIMATE.startENTRY]true [32] ULTIMATE.startENTRY-->L45: Formula: (and (< v_ULTIMATE.start_m_1 v_N_1) (<= 0 v_ULTIMATE.start_m_1)) InVars {ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} OutVars{ULTIMATE.start_m=v_ULTIMATE.start_m_1, N=v_N_1} AuxVars[] AssignedVars[] 34#[L45]true [67] L45-->T1ENTRY: Formula: (= v_T1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{T1Thread1of1ForFork0_i=v_T1Thread1of1ForFork0_i_14, T1Thread1of1ForFork0_thidvar0=v_T1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[T1Thread1of1ForFork0_i, T1Thread1of1ForFork0_thidvar0] 36#[T1ENTRY, L45-1]true [70] L45-1-->T2ENTRY: Formula: (and (= v_T2Thread1of1ForFork1_thidvar1_2 2) (= v_T2Thread1of1ForFork1_thidvar0_2 2)) InVars {} OutVars{T2Thread1of1ForFork1_thidvar0=v_T2Thread1of1ForFork1_thidvar0_2, T2Thread1of1ForFork1_thidvar1=v_T2Thread1of1ForFork1_thidvar1_2, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_16} AuxVars[] AssignedVars[T2Thread1of1ForFork1_thidvar0, T2Thread1of1ForFork1_thidvar1, T2Thread1of1ForFork1_j] 89#[T1ENTRY, T2ENTRY, L46]true [58] T2ENTRY-->L31-1: Formula: (= v_T2Thread1of1ForFork1_j_1 0) InVars {} OutVars{T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_1} AuxVars[] AssignedVars[T2Thread1of1ForFork1_j] 91#[T1ENTRY, L31-1, L46]true [2022-09-29 15:06:47,133 INFO L735 eck$LassoCheckResult]: Loop: 91#[T1ENTRY, L31-1, L46]true [80] L31-1-->L31-1: Formula: (let ((.cse1 (select v_B_41 v_T2Thread1of1ForFork1_j_32)) (.cse0 (select v_A_41 v_T2Thread1of1ForFork1_j_32))) (and (= (+ v_T2Thread1of1ForFork1_j_32 1) v_T2Thread1of1ForFork1_j_31) (< v_T2Thread1of1ForFork1_j_32 v_N_16) (= (store v_C_28 v_T2Thread1of1ForFork1_j_32 (+ .cse0 .cse1)) v_C_27) (= v_D_19 (store v_D_20 v_T2Thread1of1ForFork1_j_32 (+ (* (- 1) .cse1) .cse0))))) InVars {A=v_A_41, N=v_N_16, D=v_D_20, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_32, C=v_C_28, B=v_B_41} OutVars{A=v_A_41, N=v_N_16, D=v_D_19, T2Thread1of1ForFork1_j=v_T2Thread1of1ForFork1_j_31, C=v_C_27, B=v_B_41} AuxVars[] AssignedVars[D, T2Thread1of1ForFork1_j, C] 91#[T1ENTRY, L31-1, L46]true [2022-09-29 15:06:47,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1943448, now seen corresponding path program 1 times [2022-09-29 15:06:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940263226] [2022-09-29 15:06:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,144 INFO L85 PathProgramCache]: Analyzing trace with hash 111, now seen corresponding path program 1 times [2022-09-29 15:06:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675451107] [2022-09-29 15:06:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 60246968, now seen corresponding path program 1 times [2022-09-29 15:06:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 15:06:47,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828672746] [2022-09-29 15:06:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 15:06:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 15:06:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-09-29 15:06:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-09-29 15:06:47,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-09-29 15:06:47,227 INFO L210 LassoAnalysis]: Preferences: [2022-09-29 15:06:47,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-09-29 15:06:47,227 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-09-29 15:06:47,227 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-09-29 15:06:47,227 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-09-29 15:06:47,227 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,227 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-09-29 15:06:47,227 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-09-29 15:06:47,228 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_diff_incr_decr.bpl_BEv2_Iteration2_Lasso [2022-09-29 15:06:47,228 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-09-29 15:06:47,228 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-09-29 15:06:47,229 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 15:06:47,232 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 15:06:47,234 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 15:06:47,236 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 15:06:47,239 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 15:06:47,316 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-09-29 15:06:47,316 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-09-29 15:06:47,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,320 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 15:06:47,330 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 15:06:47,331 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 15:06:47,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:47,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:47,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,386 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 15:06:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,388 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 15:06:47,398 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 15:06:47,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,411 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 15:06:47,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,444 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 15:06:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,446 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 15:06:47,448 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 15:06:47,449 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 15:06:47,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:47,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:47,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,492 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 15:06:47,494 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 15:06:47,500 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 15:06:47,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:47,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:47,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-09-29 15:06:47,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,559 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 15:06:47,564 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 15:06:47,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,574 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 15:06:47,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,599 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 15:06:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,601 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 15:06:47,602 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 15:06:47,603 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 15:06:47,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,644 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 15:06:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,646 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 15:06:47,654 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 15:06:47,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,665 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 15:06:47,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,715 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 15:06:47,716 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 15:06:47,718 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 15:06:47,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-09-29 15:06:47,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-09-29 15:06:47,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-09-29 15:06:47,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-09-29 15:06:47,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-09-29 15:06:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,744 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 15:06:47,747 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 15:06:47,748 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 15:06:47,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-09-29 15:06:47,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-09-29 15:06:47,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-09-29 15:06:47,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-09-29 15:06:47,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-09-29 15:06:47,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-09-29 15:06:47,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-09-29 15:06:47,793 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-09-29 15:06:47,793 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-09-29 15:06:47,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-09-29 15:06:47,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 15:06:47,832 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 15:06:47,834 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 15:06:47,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-09-29 15:06:47,857 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-09-29 15:06:47,857 INFO L513 LassoAnalysis]: Proved termination. [2022-09-29 15:06:47,857 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(T2Thread1of1ForFork1_j, N) = -1*T2Thread1of1ForFork1_j + 1*N Supporting invariants [] [2022-09-29 15:06:47,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-09-29 15:06:47,878 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-09-29 15:06:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 15:06:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:47,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-09-29 15:06:47,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 15:06:47,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 15:06:47,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 15:06:47,917 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 15:06:47,918 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 15:06:47,918 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:48,013 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 6 states and 286 transitions.4 powerset states2 rank states. The highest rank that occured is 1 [2022-09-29 15:06:48,013 INFO L54 IntersectBuchiEager]: Starting Intersection [2022-09-29 15:06:48,050 INFO L61 IntersectBuchiEager]: Exiting Intersection [2022-09-29 15:06:48,051 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 15:06:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 15:06:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2022-09-29 15:06:48,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 4 letters. Loop has 1 letters. [2022-09-29 15:06:48,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 5 letters. Loop has 1 letters. [2022-09-29 15:06:48,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 95 transitions. Stem has 4 letters. Loop has 2 letters. [2022-09-29 15:06:48,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-09-29 15:06:48,054 INFO L428 stractBuchiCegarLoop]: Abstraction has has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,054 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-09-29 15:06:48,054 INFO L68 IsEmptyBuchi]: Start isEmptyBuchi. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,078 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,085 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,089 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,095 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,104 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,115 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,118 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,129 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,131 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,139 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,153 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,161 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,163 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,169 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,171 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,178 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,187 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,196 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,197 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,207 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,215 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,224 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,235 INFO L76 AcceptsInfiniteWords]: Start buchiAccepts. Operand has 42 places, 3420 transitions, 23760 flow [2022-09-29 15:06:48,249 INFO L82 AcceptsInfiniteWords]: Finished buchiAccepts. [2022-09-29 15:06:48,304 INFO L175 PetriNetUnfolderBase]: Searched whole Unfolding. [2022-09-29 15:06:48,304 INFO L123 PetriNetUnfolderBase]: 193/321 cut-off events. [2022-09-29 15:06:48,304 INFO L124 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES. [2022-09-29 15:06:48,305 INFO L47 CFPrefixIsEmptyBuchi]: Starting emptiness check. [2022-09-29 15:06:48,305 INFO L62 CFPrefixIsEmptyBuchi]: Starting cutoff event analysis. [2022-09-29 15:06:48,306 INFO L72 CFPrefixIsEmptyBuchi]: Ended cutoff event analysis. [2022-09-29 15:06:48,306 INFO L76 CFPrefixIsEmptyBuchi]: Type 1 Lasso search started. [2022-09-29 15:06:48,306 INFO L87 CFPrefixIsEmptyBuchi]: Type 1 Lasso search ended. [2022-09-29 15:06:48,306 INFO L107 CFPrefixIsEmptyBuchi]: Type 3 Lasso search started. [2022-09-29 15:06:48,320 INFO L206 CFPrefixIsEmptyBuchi]: Type 3 Lasso search ended. [2022-09-29 15:06:48,320 INFO L50 CFPrefixIsEmptyBuchi]: Finished emptiness check, language is empty [2022-09-29 15:06:48,320 INFO L78 IsEmptyBuchi]: Finished isEmptyBuchi language is empty [2022-09-29 15:06:48,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-09-29 15:06:48,336 INFO L202 PluginConnector]: Adding new model sum_diff_incr_decr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.09 03:06:48 BoogieIcfgContainer [2022-09-29 15:06:48,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-09-29 15:06:48,337 INFO L158 Benchmark]: Toolchain (without parser) took 2714.21ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 132.5MB in the beginning and 227.1MB in the end (delta: -94.6MB). Peak memory consumption was 79.9MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,337 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 15:06:48,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.67ms. Allocated memory is still 178.3MB. Free memory was 132.4MB in the beginning and 131.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,338 INFO L158 Benchmark]: Boogie Preprocessor took 19.50ms. Allocated memory is still 178.3MB. Free memory was 130.8MB in the beginning and 129.9MB in the end (delta: 927.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,338 INFO L158 Benchmark]: RCFGBuilder took 269.11ms. Allocated memory is still 178.3MB. Free memory was 129.9MB in the beginning and 120.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,339 INFO L158 Benchmark]: BuchiAutomizer took 2383.21ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 120.7MB in the beginning and 227.1MB in the end (delta: -106.3MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. [2022-09-29 15:06:48,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.67ms. Allocated memory is still 178.3MB. Free memory was 132.4MB in the beginning and 131.0MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.50ms. Allocated memory is still 178.3MB. Free memory was 130.8MB in the beginning and 129.9MB in the end (delta: 927.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.11ms. Allocated memory is still 178.3MB. Free memory was 129.9MB in the beginning and 120.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 2383.21ms. Allocated memory was 178.3MB in the beginning and 264.2MB in the end (delta: 86.0MB). Free memory was 120.7MB in the beginning and 227.1MB in the end (delta: -106.3MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function N + -1 * j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 1. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 66 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf100 lsp88 ukn45 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf100 neg100 sie114 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 111ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 26 PlacesBefore, 18 PlacesAfterwards, 21 TransitionsBefore, 13 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 92 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 66, unknown conditional: 0, unknown unconditional: 66] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-09-29 15:06:48,357 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 15:06:48,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...