/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/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/clever.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:12:18,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:12:18,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:12:18,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:12:18,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:12:18,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:12:18,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:12:18,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:12:18,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:12:18,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:12:18,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:12:18,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:12:18,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:12:18,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:12:18,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:12:18,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:12:18,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:12:18,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:12:18,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:12:18,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:12:18,461 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:12:18,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:12:18,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:12:18,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:12:18,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:12:18,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-26 14:12:18,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-26 14:12:18,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-26 14:12:18,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-26 14:12:18,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-26 14:12:18,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-26 14:12:18,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 14:12:18,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 14:12:18,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 14:12:18,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 14:12:18,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 14:12:18,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 14:12:18,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 14:12:18,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 14:12:18,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:12:18,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:12:18,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:12:18,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:12:18,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:12:18,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:12:18,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:12:18,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:12:18,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:12:18,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:12:18,513 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:12:18,513 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:12:18,513 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:12:18,514 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:12:18,514 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:12:18,514 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:12:18,514 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:12:18,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:12:18,515 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:12:18,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:12:18,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:12:18,517 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:12:18,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:12:18,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:12:18,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:12:18,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:12:18,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:12:18,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:12:18,518 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:12:18,518 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:12:18,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:12:18,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:12:18,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:12:18,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:12:18,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:12:18,760 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:12:18,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/clever.wvr.c [2022-07-26 14:12:18,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3776c1fa7/7899f59c146b49ab927bdf500e3a858e/FLAG35bb2af25 [2022-07-26 14:12:19,217 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:12:19,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c [2022-07-26 14:12:19,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3776c1fa7/7899f59c146b49ab927bdf500e3a858e/FLAG35bb2af25 [2022-07-26 14:12:19,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3776c1fa7/7899f59c146b49ab927bdf500e3a858e [2022-07-26 14:12:19,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:12:19,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:12:19,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:12:19,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:12:19,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:12:19,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30836ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19, skipping insertion in model container [2022-07-26 14:12:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:12:19,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:12:19,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c[2133,2146] [2022-07-26 14:12:19,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:12:19,840 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:12:19,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c[2133,2146] [2022-07-26 14:12:19,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:12:19,867 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:12:19,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19 WrapperNode [2022-07-26 14:12:19,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:12:19,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:12:19,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:12:19,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:12:19,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,908 INFO L137 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2022-07-26 14:12:19,908 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:12:19,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:12:19,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:12:19,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:12:19,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:12:19,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:12:19,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:12:19,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:12:19,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (1/1) ... [2022-07-26 14:12:19,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:19,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:19,976 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) [2022-07-26 14:12:19,995 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 [2022-07-26 14:12:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:12:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:12:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:12:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:12:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:12:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:12:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:12:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:12:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:12:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:12:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:12:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:12:20,026 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 14:12:20,126 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:12:20,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:12:20,311 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:12:20,318 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:12:20,318 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-26 14:12:20,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:12:20 BoogieIcfgContainer [2022-07-26 14:12:20,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:12:20,321 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:12:20,321 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:12:20,328 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:12:20,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:20,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:12:19" (1/3) ... [2022-07-26 14:12:20,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@df1711b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:12:20, skipping insertion in model container [2022-07-26 14:12:20,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:20,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:12:19" (2/3) ... [2022-07-26 14:12:20,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@df1711b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:12:20, skipping insertion in model container [2022-07-26 14:12:20,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:12:20,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:12:20" (3/3) ... [2022-07-26 14:12:20,332 INFO L322 chiAutomizerObserver]: Analyzing ICFG clever.wvr.c [2022-07-26 14:12:20,421 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 14:12:20,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 117 transitions, 250 flow [2022-07-26 14:12:20,488 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2022-07-26 14:12:20,488 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:12:20,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 9/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-07-26 14:12:20,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 117 transitions, 250 flow [2022-07-26 14:12:20,498 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 113 transitions, 238 flow [2022-07-26 14:12:20,501 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:12:20,509 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 113 transitions, 238 flow [2022-07-26 14:12:20,511 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 113 transitions, 238 flow [2022-07-26 14:12:20,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 113 transitions, 238 flow [2022-07-26 14:12:20,531 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2022-07-26 14:12:20,531 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 14:12:20,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 113 events. 9/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-07-26 14:12:20,533 INFO L116 LiptonReduction]: Number of co-enabled transitions 756 [2022-07-26 14:12:23,744 INFO L131 LiptonReduction]: Checked pairs total: 721 [2022-07-26 14:12:23,744 INFO L133 LiptonReduction]: Total number of compositions: 118 [2022-07-26 14:12:23,760 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:12:23,760 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:12:23,760 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:12:23,760 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:12:23,760 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:12:23,760 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:12:23,761 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:12:23,761 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:12:23,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:12:23,785 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 16 [2022-07-26 14:12:23,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:23,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:23,789 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 14:12:23,789 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 14:12:23,790 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 14:12:23,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 25 states, but on-demand construction may add more states [2022-07-26 14:12:23,792 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 16 [2022-07-26 14:12:23,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:23,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:23,792 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-26 14:12:23,792 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-26 14:12:23,796 INFO L733 eck$LassoCheckResult]: Stem: 116#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 119#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 121#[L40-1, L75-4]don't care [2022-07-26 14:12:23,797 INFO L735 eck$LassoCheckResult]: Loop: 121#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 125#[L75-4, L41-6]don't care [365] L41-6-->L40-1: Formula: (and (= v_~i1~0_26 (+ v_~i1~0_27 1)) (not (< v_~j1~0_28 v_~m~0_25))) InVars {~m~0=v_~m~0_25, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_27} OutVars{~m~0=v_~m~0_25, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_17|, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_26} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~i1~0] 121#[L40-1, L75-4]don't care [2022-07-26 14:12:23,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:23,801 INFO L85 PathProgramCache]: Analyzing trace with hash 14182, now seen corresponding path program 1 times [2022-07-26 14:12:23,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:23,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715618218] [2022-07-26 14:12:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:23,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:23,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:23,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:23,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:23,942 INFO L85 PathProgramCache]: Analyzing trace with hash 11959, now seen corresponding path program 1 times [2022-07-26 14:12:23,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:23,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409084858] [2022-07-26 14:12:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:23,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:23,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash 13639900, now seen corresponding path program 1 times [2022-07-26 14:12:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:23,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862345657] [2022-07-26 14:12:23,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:23,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:23,993 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:24,075 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:24,076 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:24,076 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:24,076 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:24,076 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:24,077 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,077 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:24,077 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:24,077 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:12:24,077 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:24,077 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:24,091 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,100 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,102 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,107 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,109 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,111 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,113 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,169 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:24,170 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:24,180 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) [2022-07-26 14:12:24,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:24,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:24,199 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 [2022-07-26 14:12:24,233 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 [2022-07-26 14:12:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:24,235 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) [2022-07-26 14:12:24,243 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:24,243 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:24,271 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 [2022-07-26 14:12:24,396 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:24,400 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 [2022-07-26 14:12:24,401 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:24,401 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:24,401 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:24,401 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:24,401 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:24,401 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:24,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:24,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration1_Loop [2022-07-26 14:12:24,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:24,402 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:24,403 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,409 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,412 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,416 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,419 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,421 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,423 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,477 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:24,480 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:24,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:24,483 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) [2022-07-26 14:12:24,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 14:12:24,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:24,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:24,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:24,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:24,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:24,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:24,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:24,509 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 [2022-07-26 14:12:24,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:24,538 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:12:24,538 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:24,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:24,542 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) [2022-07-26 14:12:24,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:24,615 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:24,616 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:24,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~n~0, ~i1~0) = 1*~n~0 - 1*~i1~0 Supporting invariants [] [2022-07-26 14:12:24,617 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 [2022-07-26 14:12:24,640 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 [2022-07-26 14:12:24,643 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:24,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:24,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:24,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:24,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:24,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:24,740 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 [2022-07-26 14:12:24,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 25 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:12:24,822 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 25 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 188 transitions. Complement of second has 7 states. [2022-07-26 14:12:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-26 14:12:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:12:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-07-26 14:12:24,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-07-26 14:12:24,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:24,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 14:12:24,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:24,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-07-26 14:12:24,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:24,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 188 transitions. [2022-07-26 14:12:24,843 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-26 14:12:24,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 50 states and 140 transitions. [2022-07-26 14:12:24,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-26 14:12:24,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2022-07-26 14:12:24,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 140 transitions. [2022-07-26 14:12:24,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:12:24,851 INFO L220 hiAutomatonCegarLoop]: Abstraction has 50 states and 140 transitions. [2022-07-26 14:12:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 140 transitions. [2022-07-26 14:12:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 37. [2022-07-26 14:12:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 2.945945945945946) internal successors, (109), 36 states have internal predecessors, (109), 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) [2022-07-26 14:12:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 109 transitions. [2022-07-26 14:12:24,881 INFO L242 hiAutomatonCegarLoop]: Abstraction has 37 states and 109 transitions. [2022-07-26 14:12:24,882 INFO L426 stractBuchiCegarLoop]: Abstraction has 37 states and 109 transitions. [2022-07-26 14:12:24,882 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 14:12:24,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 109 transitions. [2022-07-26 14:12:24,885 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 12 [2022-07-26 14:12:24,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:24,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:24,886 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 14:12:24,887 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:24,887 INFO L733 eck$LassoCheckResult]: Stem: 291#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 293#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 327#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 335#[L75-4, L41-6]don't care [2022-07-26 14:12:24,887 INFO L735 eck$LassoCheckResult]: Loop: 335#[L75-4, L41-6]don't care [402] L41-6-->L41-6: Formula: (and (= v_~j1~0_38 (+ v_~j1~0_39 1)) (< v_~j1~0_39 v_~m~0_39) (= (+ v_~k1~0_36 1) v_~k1~0_35)) InVars {~m~0=v_~m~0_39, ~k1~0=v_~k1~0_36, ~j1~0=v_~j1~0_39} OutVars{~m~0=v_~m~0_39, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, ~k1~0=v_~k1~0_35, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_23|, ~j1~0=v_~j1~0_38} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~k1~0, thread1Thread1of1ForFork0_#t~post2, ~j1~0] 335#[L75-4, L41-6]don't care [2022-07-26 14:12:24,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash 439985, now seen corresponding path program 1 times [2022-07-26 14:12:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:24,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346027818] [2022-07-26 14:12:24,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,903 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:24,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:24,917 INFO L85 PathProgramCache]: Analyzing trace with hash 433, now seen corresponding path program 1 times [2022-07-26 14:12:24,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:24,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370800851] [2022-07-26 14:12:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,921 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:24,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:24,924 INFO L85 PathProgramCache]: Analyzing trace with hash 13639937, now seen corresponding path program 1 times [2022-07-26 14:12:24,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:24,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694298157] [2022-07-26 14:12:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:24,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,937 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:24,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:24,963 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:24,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:24,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:24,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:24,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:24,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:24,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:24,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:24,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:12:24,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:24,964 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:24,965 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,967 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,971 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,973 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,975 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,977 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,980 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:24,981 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:25,029 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:25,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,032 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) [2022-07-26 14:12:25,041 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 [2022-07-26 14:12:25,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:25,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:25,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:25,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:25,080 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 [2022-07-26 14:12:25,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,082 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) [2022-07-26 14:12:25,083 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 [2022-07-26 14:12:25,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:25,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:25,134 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 [2022-07-26 14:12:25,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,136 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) [2022-07-26 14:12:25,139 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 [2022-07-26 14:12:25,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:25,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:25,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:25,270 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 [2022-07-26 14:12:25,270 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:25,270 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:25,270 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:25,270 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:25,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:25,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:25,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:25,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration2_Loop [2022-07-26 14:12:25,271 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:25,271 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:25,272 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,279 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,287 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,292 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,295 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,297 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,299 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,309 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,395 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:25,396 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:25,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,401 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) [2022-07-26 14:12:25,440 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 [2022-07-26 14:12:25,440 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 [2022-07-26 14:12:25,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:25,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:25,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:25,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:25,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:25,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:25,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:25,493 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 [2022-07-26 14:12:25,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,496 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) [2022-07-26 14:12:25,498 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 [2022-07-26 14:12:25,499 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 [2022-07-26 14:12:25,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:25,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:25,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:25,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:25,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:25,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:25,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:25,549 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 [2022-07-26 14:12:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,551 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) [2022-07-26 14:12:25,559 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 [2022-07-26 14:12:25,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:25,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:25,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:25,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:25,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:25,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:25,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:25,569 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 [2022-07-26 14:12:25,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:25,583 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:12:25,583 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:25,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,586 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) [2022-07-26 14:12:25,587 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 [2022-07-26 14:12:25,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:25,588 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:25,588 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:25,588 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~j1~0, ~m~0) = -1*~j1~0 + 1*~m~0 Supporting invariants [] [2022-07-26 14:12:25,611 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 [2022-07-26 14:12:25,612 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:25,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:25,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:25,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:25,652 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:25,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:25,656 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 [2022-07-26 14:12:25,661 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 109 transitions. cyclomatic complexity: 90 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:12:25,713 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 109 transitions. cyclomatic complexity: 90. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 146 states and 404 transitions. Complement of second has 5 states. [2022-07-26 14:12:25,714 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 [2022-07-26 14:12:25,714 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) [2022-07-26 14:12:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2022-07-26 14:12:25,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 14:12:25,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:25,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:12:25,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:25,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 14:12:25,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:25,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 146 states and 404 transitions. [2022-07-26 14:12:25,718 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 26 [2022-07-26 14:12:25,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 146 states to 105 states and 302 transitions. [2022-07-26 14:12:25,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-07-26 14:12:25,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2022-07-26 14:12:25,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 302 transitions. [2022-07-26 14:12:25,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:12:25,721 INFO L220 hiAutomatonCegarLoop]: Abstraction has 105 states and 302 transitions. [2022-07-26 14:12:25,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 302 transitions. [2022-07-26 14:12:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 73. [2022-07-26 14:12:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 3.0) internal successors, (219), 72 states have internal predecessors, (219), 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) [2022-07-26 14:12:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 219 transitions. [2022-07-26 14:12:25,730 INFO L242 hiAutomatonCegarLoop]: Abstraction has 73 states and 219 transitions. [2022-07-26 14:12:25,730 INFO L426 stractBuchiCegarLoop]: Abstraction has 73 states and 219 transitions. [2022-07-26 14:12:25,730 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 14:12:25,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 219 transitions. [2022-07-26 14:12:25,732 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 16 [2022-07-26 14:12:25,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:25,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:25,732 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-07-26 14:12:25,732 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:25,733 INFO L733 eck$LassoCheckResult]: Stem: 540#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 542#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 578#[L40-1, L75-4]don't care [394] L75-4-->L76-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_31| 4) (select |v_#length_47| |v_ULTIMATE.start_main_~#t2~0#1.base_37|)) (= |v_ULTIMATE.start_main_#t~pre14#1_23| |v_#pthreadsForks_36|) (= (select |v_#valid_74| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) 1) (= (store |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37| (store (select |v_#memory_int_32| |v_ULTIMATE.start_main_~#t2~0#1.base_37|) |v_ULTIMATE.start_main_~#t2~0#1.offset_31| |v_ULTIMATE.start_main_#t~pre14#1_23|)) |v_#memory_int_31|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_31|) (= |v_#pthreadsForks_35| (+ |v_#pthreadsForks_36| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_36|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_31|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_32|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_23|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_23|, #pthreadsForks=|v_#pthreadsForks_35|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_31|, #valid=|v_#valid_74|, #memory_int=|v_#memory_int_31|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_13|, #length=|v_#length_47|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_37|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 598#[L40-1, L76-3]don't care [297] L76-3-->L51-1: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2) (= v_thread2Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_8|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 524#[L40-1, L76-4, L51-1]don't care [2022-07-26 14:12:25,733 INFO L735 eck$LassoCheckResult]: Loop: 524#[L40-1, L76-4, L51-1]don't care [387] L51-1-->L51-1: Formula: (and (< v_~i2~0_31 v_~n~0_25) (= v_~i2~0_30 (+ v_~i2~0_31 1)) (= (+ v_~m~0_29 v_~k2~0_28) v_~k2~0_27)) InVars {~m~0=v_~m~0_29, ~k2~0=v_~k2~0_28, ~i2~0=v_~i2~0_31, ~n~0=v_~n~0_25} OutVars{thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_17|, ~m~0=v_~m~0_29, ~k2~0=v_~k2~0_27, ~i2~0=v_~i2~0_30, ~n~0=v_~n~0_25} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post4, ~k2~0, ~i2~0] 524#[L40-1, L76-4, L51-1]don't care [2022-07-26 14:12:25,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:25,733 INFO L85 PathProgramCache]: Analyzing trace with hash 13641413, now seen corresponding path program 1 times [2022-07-26 14:12:25,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:25,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119518891] [2022-07-26 14:12:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:25,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash 418, now seen corresponding path program 1 times [2022-07-26 14:12:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:25,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677310057] [2022-07-26 14:12:25,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:25,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,768 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:25,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash 422884190, now seen corresponding path program 1 times [2022-07-26 14:12:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:25,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51241037] [2022-07-26 14:12:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,785 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:25,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:25,813 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:25,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:25,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:25,813 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:25,813 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:25,813 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,813 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:25,813 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:25,813 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration3_Loop [2022-07-26 14:12:25,813 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:25,813 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:25,814 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,816 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,818 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,820 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,822 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,824 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,828 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:25,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:25,877 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:25,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,878 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) [2022-07-26 14:12:25,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:25,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:25,896 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 [2022-07-26 14:12:25,912 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:25,912 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:25,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-26 14:12:25,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,935 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) [2022-07-26 14:12:25,935 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 [2022-07-26 14:12:25,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:25,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:25,948 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:25,948 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:25,965 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 [2022-07-26 14:12:25,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:25,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:25,967 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) [2022-07-26 14:12:25,967 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 [2022-07-26 14:12:25,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:25,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:26,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:26,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post4=0} Honda state: {thread2Thread1of1ForFork1_#t~post4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:26,026 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 [2022-07-26 14:12:26,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,028 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) [2022-07-26 14:12:26,034 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 [2022-07-26 14:12:26,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:26,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:26,042 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:26,043 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~k2~0=0, ~m~0=0} Honda state: {~k2~0=0, ~m~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:26,059 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 [2022-07-26 14:12:26,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,060 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) [2022-07-26 14:12:26,061 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 [2022-07-26 14:12:26,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:26,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:26,077 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:26,077 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:26,093 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 [2022-07-26 14:12:26,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,094 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) [2022-07-26 14:12:26,095 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 [2022-07-26 14:12:26,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:26,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:26,121 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 [2022-07-26 14:12:26,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,123 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) [2022-07-26 14:12:26,125 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 [2022-07-26 14:12:26,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:26,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:26,243 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:26,246 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 [2022-07-26 14:12:26,247 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:26,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:26,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:26,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:26,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:26,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:26,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:26,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration3_Loop [2022-07-26 14:12:26,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:26,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:26,248 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,253 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,255 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,259 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,263 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,267 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,271 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,318 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:26,319 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:26,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,320 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) [2022-07-26 14:12:26,330 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 [2022-07-26 14:12:26,331 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 [2022-07-26 14:12:26,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:26,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:26,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:26,385 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 [2022-07-26 14:12:26,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,387 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:12:26,398 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 [2022-07-26 14:12:26,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:26,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:26,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:26,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-26 14:12:26,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:26,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,447 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:12:26,454 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 [2022-07-26 14:12:26,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:26,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:26,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-26 14:12:26,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:26,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,507 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:12:26,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-26 14:12:26,509 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 [2022-07-26 14:12:26,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:26,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:26,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:26,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,560 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:12:26,564 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 [2022-07-26 14:12:26,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:26,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:26,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:26,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-26 14:12:26,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:26,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,611 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 14:12:26,620 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 [2022-07-26 14:12:26,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:26,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:26,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:26,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:26,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:26,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:26,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:26,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-26 14:12:26,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:26,644 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-26 14:12:26,644 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:26,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:26,646 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2022-07-26 14:12:26,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:26,649 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:26,649 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:26,649 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~i2~0, ~n~0) = -1*~i2~0 + 1*~n~0 Supporting invariants [] [2022-07-26 14:12:26,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-26 14:12:26,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,678 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:26,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:26,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:26,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:26,717 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:26,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:26,742 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 [2022-07-26 14:12:26,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 219 transitions. cyclomatic complexity: 181 Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 14:12:26,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:26,803 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 219 transitions. cyclomatic complexity: 181. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 167 states and 506 transitions. Complement of second has 4 states. [2022-07-26 14:12:26,804 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 [2022-07-26 14:12:26,805 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) [2022-07-26 14:12:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2022-07-26 14:12:26,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 14:12:26,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:26,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:12:26,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:26,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 26 transitions. Stem has 4 letters. Loop has 2 letters. [2022-07-26 14:12:26,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:26,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 506 transitions. [2022-07-26 14:12:26,809 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 14:12:26,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 85 states and 266 transitions. [2022-07-26 14:12:26,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-07-26 14:12:26,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-07-26 14:12:26,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 266 transitions. [2022-07-26 14:12:26,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 14:12:26,812 INFO L220 hiAutomatonCegarLoop]: Abstraction has 85 states and 266 transitions. [2022-07-26 14:12:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 266 transitions. [2022-07-26 14:12:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 78. [2022-07-26 14:12:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 3.2435897435897436) internal successors, (253), 77 states have internal predecessors, (253), 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) [2022-07-26 14:12:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 253 transitions. [2022-07-26 14:12:26,818 INFO L242 hiAutomatonCegarLoop]: Abstraction has 78 states and 253 transitions. [2022-07-26 14:12:26,818 INFO L426 stractBuchiCegarLoop]: Abstraction has 78 states and 253 transitions. [2022-07-26 14:12:26,819 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 14:12:26,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 253 transitions. [2022-07-26 14:12:26,820 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 6 [2022-07-26 14:12:26,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 14:12:26,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 14:12:26,820 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2022-07-26 14:12:26,820 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 14:12:26,821 INFO L733 eck$LassoCheckResult]: Stem: 896#[ULTIMATE.startENTRY]don't care [417] ULTIMATE.startENTRY-->L75-3: Formula: (let ((.cse1 (select |v_#memory_int_48| 1)) (.cse2 (store |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 1))) (and (= |v_#NULL.base_10| 0) (= (select |v_#valid_111| 2) 1) (not (= (ite (let ((.cse0 (mod v_~i1~0_54 4294967296))) (and (= v_~i1~0_54 v_~i2~0_52) (= (mod v_~k1~0_59 4294967296) .cse0) (= v_~i1~0_54 0) (= (mod v_~k2~0_55 4294967296) .cse0))) 1 0) 0)) (= (select .cse1 0) 48) (= |v_#memory_int_47| (store |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53| (store (select |v_#memory_int_48| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) |v_ULTIMATE.start_main_~#t1~0#1.offset_45| |v_ULTIMATE.start_main_#t~pre12#1_37|))) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t2~0#1.base_59|) (< 0 |v_#StackHeapBarrier_22|) (= (store (store |v_#length_68| |v_ULTIMATE.start_main_~#t1~0#1.base_53| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_59| 4) |v_#length_67|) (= (select |v_#valid_111| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) 0) (= (select |v_#valid_111| 1) 1) (= |v_ULTIMATE.start_main_#t~pre12#1_37| |v_#pthreadsForks_50|) (= 2 (select |v_#length_68| 1)) (= (select |v_#length_68| 2) 13) (< |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#t1~0#1.base_53|) (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| 0)) (= (select .cse1 1) 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59|) 0) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_47| 0) (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_85| |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= |v_#NULL.offset_10| 0) (<= (+ 4 |v_ULTIMATE.start_main_~#t1~0#1.offset_45|) (select |v_#length_67| |v_ULTIMATE.start_main_~#t1~0#1.base_53|)) (= |v_#valid_110| (store .cse2 |v_ULTIMATE.start_main_~#t2~0#1.base_59| 1)) (= (ite (<= 0 v_~m~0_59) 1 0) |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|) (= (select |v_#valid_111| 0) 0) (= |v_#pthreadsForks_49| (+ |v_#pthreadsForks_50| 1)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_22|, #pthreadsForks=|v_#pthreadsForks_50|, #valid=|v_#valid_111|, #memory_int=|v_#memory_int_48|, #length=|v_#length_68|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_48|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_47|, #NULL.offset=|v_#NULL.offset_10|, ~i1~0=v_~i1~0_54, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_45|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_37|, #pthreadsForks=|v_#pthreadsForks_49|, ~k1~0=v_~k1~0_59, ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_85|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_24|, ULTIMATE.start_main_#t~mem17#1=|v_ULTIMATE.start_main_#t~mem17#1_32|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_21|, ~j1~0=v_~j1~0_58, #length=|v_#length_67|, ~m~0=v_~m~0_59, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_48|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_40|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_24|, ULTIMATE.start_main_#t~mem16#1=|v_ULTIMATE.start_main_#t~mem16#1_22|, ~i2~0=v_~i2~0_52, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_53|, #NULL.base=|v_#NULL.base_10|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_48|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_31|, ~k2~0=v_~k2~0_55, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_48|, #valid=|v_#valid_110|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_44|, #memory_int=|v_#memory_int_47|, ~n~0=v_~n~0_41, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_59|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_19|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_79|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, #NULL.offset, ~i1~0, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ~k1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~mem17#1, ULTIMATE.start_main_#t~nondet13#1, ~j1~0, #length, ~m~0, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~mem16#1, ~i2~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ~k2~0, ULTIMATE.start_main_#t~nondet8#1, #valid, ULTIMATE.start_main_#t~nondet7#1, #memory_int, ~n~0, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_assume_abort_if_not_#in~cond#1] 898#[L75-3]don't care [294] L75-3-->L40-1: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_8|, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_8|, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_#t~post3, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 930#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 946#[L75-4, L41-6]don't care [365] L41-6-->L40-1: Formula: (and (= v_~i1~0_26 (+ v_~i1~0_27 1)) (not (< v_~j1~0_28 v_~m~0_25))) InVars {~m~0=v_~m~0_25, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_27} OutVars{~m~0=v_~m~0_25, thread1Thread1of1ForFork0_#t~post3=|v_thread1Thread1of1ForFork0_#t~post3_17|, ~j1~0=v_~j1~0_28, ~i1~0=v_~i1~0_26} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post3, ~i1~0] 950#[L40-1, L75-4]don't care [343] L40-1-->L41-6: Formula: (and (< v_~i1~0_18 v_~n~0_13) (= v_~j1~0_16 0)) InVars {~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} OutVars{~j1~0=v_~j1~0_16, ~i1~0=v_~i1~0_18, ~n~0=v_~n~0_13} AuxVars[] AssignedVars[~j1~0] 954#[L75-4, L41-6]don't care [2022-07-26 14:12:26,821 INFO L735 eck$LassoCheckResult]: Loop: 954#[L75-4, L41-6]don't care [402] L41-6-->L41-6: Formula: (and (= v_~j1~0_38 (+ v_~j1~0_39 1)) (< v_~j1~0_39 v_~m~0_39) (= (+ v_~k1~0_36 1) v_~k1~0_35)) InVars {~m~0=v_~m~0_39, ~k1~0=v_~k1~0_36, ~j1~0=v_~j1~0_39} OutVars{~m~0=v_~m~0_39, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_17|, ~k1~0=v_~k1~0_35, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_23|, ~j1~0=v_~j1~0_38} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1, ~k1~0, thread1Thread1of1ForFork0_#t~post2, ~j1~0] 954#[L75-4, L41-6]don't care [2022-07-26 14:12:26,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:26,821 INFO L85 PathProgramCache]: Analyzing trace with hash 422837243, now seen corresponding path program 2 times [2022-07-26 14:12:26,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:26,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703726758] [2022-07-26 14:12:26,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:26,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:26,826 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 [2022-07-26 14:12:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:26,860 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:26,863 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 [2022-07-26 14:12:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:26,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:26,891 INFO L85 PathProgramCache]: Analyzing trace with hash 433, now seen corresponding path program 2 times [2022-07-26 14:12:26,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:26,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544305267] [2022-07-26 14:12:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:26,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:26,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 14:12:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 14:12:26,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 14:12:26,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:26,897 INFO L85 PathProgramCache]: Analyzing trace with hash 223053047, now seen corresponding path program 1 times [2022-07-26 14:12:26,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 14:12:26,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497653951] [2022-07-26 14:12:26,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 14:12:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 14:12:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:26,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 14:12:26,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497653951] [2022-07-26 14:12:26,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497653951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 14:12:26,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 14:12:26,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-26 14:12:26,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445033519] [2022-07-26 14:12:26,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 14:12:26,988 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:26,988 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:26,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:26,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:26,989 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 14:12:26,989 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:26,989 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:26,989 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:26,989 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration4_Loop [2022-07-26 14:12:26,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:26,989 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:26,991 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,993 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,995 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,997 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:26,999 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,001 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,002 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,006 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:27,054 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 14:12:27,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,055 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2022-07-26 14:12:27,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,065 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-26 14:12:27,084 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,084 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,110 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2022-07-26 14:12:27,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-26 14:12:27,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,136 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,136 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,163 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2022-07-26 14:12:27,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-26 14:12:27,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,188 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,211 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2022-07-26 14:12:27,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-26 14:12:27,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,225 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-26 14:12:27,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,241 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2022-07-26 14:12:27,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-26 14:12:27,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,254 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,255 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_7=1} Honda state: {v_rep#funAddr~thread2.offset_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-26 14:12:27,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,271 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2022-07-26 14:12:27,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-26 14:12:27,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,279 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 14:12:27,279 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 14:12:27,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,295 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2022-07-26 14:12:27,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-26 14:12:27,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 14:12:27,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,350 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2022-07-26 14:12:27,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 14:12:27,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 14:12:27,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-26 14:12:27,503 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 14:12:27,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-26 14:12:27,506 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 14:12:27,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 14:12:27,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 14:12:27,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 14:12:27,507 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 14:12:27,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 14:12:27,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 14:12:27,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: clever.wvr.c_BEv2_Iteration4_Loop [2022-07-26 14:12:27,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 14:12:27,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 14:12:27,508 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,511 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,520 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,521 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,523 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,525 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,526 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,534 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 14:12:27,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 14:12:27,589 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 14:12:27,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,590 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2022-07-26 14:12:27,599 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 [2022-07-26 14:12:27,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:27,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:27,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-26 14:12:27,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-26 14:12:27,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,640 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2022-07-26 14:12:27,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-26 14:12:27,642 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 [2022-07-26 14:12:27,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:27,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:27,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:27,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-26 14:12:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,664 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2022-07-26 14:12:27,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-26 14:12:27,667 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 [2022-07-26 14:12:27,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:27,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:27,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-26 14:12:27,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,714 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2022-07-26 14:12:27,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-26 14:12:27,716 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 [2022-07-26 14:12:27,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:27,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:27,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,773 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2022-07-26 14:12:27,775 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 [2022-07-26 14:12:27,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,784 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 14:12:27,784 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 14:12:27,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-26 14:12:27,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,823 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2022-07-26 14:12:27,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-26 14:12:27,825 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 [2022-07-26 14:12:27,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:27,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:27,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:27,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 14:12:27,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:27,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,873 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2022-07-26 14:12:27,879 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 [2022-07-26 14:12:27,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 14:12:27,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 14:12:27,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 14:12:27,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 14:12:27,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 14:12:27,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 14:12:27,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 14:12:27,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-26 14:12:27,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 14:12:27,903 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 14:12:27,903 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 14:12:27,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:12:27,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:12:27,908 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2022-07-26 14:12:27,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-26 14:12:27,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 14:12:27,910 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 14:12:27,910 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 14:12:27,910 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~j1~0, ~m~0) = -1*~j1~0 + 1*~m~0 Supporting invariants [] [2022-07-26 14:12:27,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-26 14:12:27,930 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 14:12:27,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:27,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:27,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:27,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:27,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:27,974 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 [2022-07-26 14:12:27,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 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) [2022-07-26 14:12:28,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. 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 148 states and 446 transitions. Complement of second has 5 states. [2022-07-26 14:12:28,006 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 [2022-07-26 14:12:28,007 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) [2022-07-26 14:12:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-26 14:12:28,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:12:28,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:28,007 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-26 14:12:28,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:28,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:28,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:28,046 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:28,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:28,047 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:12:28,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 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) [2022-07-26 14:12:28,070 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. 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 148 states and 446 transitions. Complement of second has 5 states. [2022-07-26 14:12:28,071 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 [2022-07-26 14:12:28,072 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) [2022-07-26 14:12:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-07-26 14:12:28,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:12:28,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:28,072 INFO L680 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-07-26 14:12:28,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 14:12:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:28,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 14:12:28,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 14:12:28,109 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 14:12:28,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 14:12:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 14:12:28,110 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 14:12:28,110 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204 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) [2022-07-26 14:12:28,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 253 transitions. cyclomatic complexity: 204. 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 168 states and 500 transitions. Complement of second has 4 states. [2022-07-26 14:12:28,146 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 [2022-07-26 14:12:28,148 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) [2022-07-26 14:12:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-07-26 14:12:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 14:12:28,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:28,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 14:12:28,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:28,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 14:12:28,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 14:12:28,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 168 states and 500 transitions. [2022-07-26 14:12:28,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:12:28,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 168 states to 0 states and 0 transitions. [2022-07-26 14:12:28,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:12:28,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:12:28,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:12:28,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:12:28,152 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:28,152 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:28,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 14:12:28,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-26 14:12:28,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-26 14:12:28,155 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 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) [2022-07-26 14:12:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 14:12:28,157 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-26 14:12:28,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-26 14:12:28,157 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:12:28,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-26 14:12:28,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 14:12:28,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 14:12:28,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 14:12:28,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 14:12:28,158 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:28,158 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-26 14:12:28,159 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 14:12:28,159 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-26 14:12:28,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 14:12:28,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:12:28,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:12:28,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:12:28 BoogieIcfgContainer [2022-07-26 14:12:28,165 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:12:28,166 INFO L158 Benchmark]: Toolchain (without parser) took 8555.11ms. Allocated memory was 187.7MB in the beginning and 262.1MB in the end (delta: 74.4MB). Free memory was 129.8MB in the beginning and 150.5MB in the end (delta: -20.7MB). Peak memory consumption was 53.8MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,166 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:12:28,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.46ms. Allocated memory was 187.7MB in the beginning and 262.1MB in the end (delta: 74.4MB). Free memory was 129.6MB in the beginning and 232.8MB in the end (delta: -103.1MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.40ms. Allocated memory is still 262.1MB. Free memory was 232.8MB in the beginning and 231.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,168 INFO L158 Benchmark]: Boogie Preprocessor took 29.09ms. Allocated memory is still 262.1MB. Free memory was 231.2MB in the beginning and 229.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,168 INFO L158 Benchmark]: RCFGBuilder took 381.77ms. Allocated memory is still 262.1MB. Free memory was 229.6MB in the beginning and 216.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,168 INFO L158 Benchmark]: BuchiAutomizer took 7844.09ms. Allocated memory is still 262.1MB. Free memory was 216.0MB in the beginning and 150.5MB in the end (delta: 65.5MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. [2022-07-26 14:12:28,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 256.46ms. Allocated memory was 187.7MB in the beginning and 262.1MB in the end (delta: 74.4MB). Free memory was 129.6MB in the beginning and 232.8MB in the end (delta: -103.1MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.40ms. Allocated memory is still 262.1MB. Free memory was 232.8MB in the beginning and 231.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.09ms. Allocated memory is still 262.1MB. Free memory was 231.2MB in the beginning and 229.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 381.77ms. Allocated memory is still 262.1MB. Free memory was 229.6MB in the beginning and 216.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 7844.09ms. Allocated memory is still 262.1MB. Free memory was 216.0MB in the beginning and 150.5MB in the end (delta: 65.5MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i1 + n and consists of 5 locations. One deterministic module has affine ranking function -1 * j1 + m and consists of 3 locations. One deterministic module has affine ranking function -1 * i2 + n and consists of 3 locations. One nondeterministic module has affine ranking function -1 * j1 + m and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 52 StatesRemovedByMinimization, 3 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, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax255 hnf100 lsp25 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 71ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 3.3s - 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: 3.2s, 111 PlacesBefore, 19 PlacesAfterwards, 113 TransitionsBefore, 15 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 6 ConcurrentYvCompositions, 6 ChoiceCompositions, 118 TotalNumberOfCompositions, 721 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 721, positive: 721, positive conditional: 0, positive unconditional: 721, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 401, positive: 401, positive conditional: 0, positive unconditional: 401, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 721, positive: 320, positive conditional: 0, positive unconditional: 320, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 401, unknown conditional: 0, unknown unconditional: 401] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 19, Positive conditional cache size: 0, Positive unconditional cache size: 19, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:12:28,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-07-26 14:12:28,408 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...