./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d5a83ebadca07865f87524ca234843199e1b35abf1f6d3ef3a25954ede1db9e --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:47:39,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:47:39,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:47:39,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:47:39,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:47:39,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:47:39,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:47:39,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:47:39,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:47:39,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:47:39,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:47:39,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:47:39,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:47:39,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:47:39,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:47:39,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:47:39,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:47:39,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:47:39,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:47:39,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:47:39,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:47:39,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:47:39,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:47:39,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:47:39,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:47:39,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:47:39,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:47:39,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:47:39,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:47:39,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:47:39,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:47:39,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:47:39,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:47:39,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:47:39,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:47:39,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:47:39,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:47:39,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:47:39,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:47:39,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:47:39,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:47:39,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:47:39,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:47:39,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:47:39,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:47:39,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:47:39,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:47:39,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:47:39,748 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:47:39,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:47:39,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:47:39,749 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:47:39,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:47:39,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:47:39,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:47:39,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:47:39,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:47:39,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:47:39,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:47:39,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:47:39,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:47:39,751 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:47:39,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:47:39,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:47:39,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:47:39,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:47:39,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:47:39,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:47:39,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:47:39,753 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:47:39,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d5a83ebadca07865f87524ca234843199e1b35abf1f6d3ef3a25954ede1db9e [2021-12-14 23:47:40,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:47:40,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:47:40,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:47:40,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:47:40,032 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:47:40,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-12-14 23:47:40,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd787ecbd/c9a6c6d2689f41a2bba91c0a8aa85993/FLAGf7f5319b9 [2021-12-14 23:47:40,445 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:47:40,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-12-14 23:47:40,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd787ecbd/c9a6c6d2689f41a2bba91c0a8aa85993/FLAGf7f5319b9 [2021-12-14 23:47:40,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd787ecbd/c9a6c6d2689f41a2bba91c0a8aa85993 [2021-12-14 23:47:40,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:47:40,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:47:40,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:47:40,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:47:40,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:47:40,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:47:40" (1/1) ... [2021-12-14 23:47:40,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd26049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:40, skipping insertion in model container [2021-12-14 23:47:40,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:47:40" (1/1) ... [2021-12-14 23:47:40,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:47:40,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:47:41,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2021-12-14 23:47:41,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:47:41,097 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:47:41,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c[12792,12805] [2021-12-14 23:47:41,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:47:41,174 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:47:41,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41 WrapperNode [2021-12-14 23:47:41,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:47:41,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:47:41,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:47:41,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:47:41,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,222 INFO L137 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 373 [2021-12-14 23:47:41,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:47:41,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:47:41,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:47:41,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:47:41,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:47:41,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:47:41,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:47:41,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:47:41,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (1/1) ... [2021-12-14 23:47:41,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:41,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:41,290 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) [2021-12-14 23:47:41,292 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 [2021-12-14 23:47:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:47:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:47:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:47:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:47:41,392 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:47:41,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:47:41,726 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:47:41,732 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:47:41,732 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 23:47:41,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:41 BoogieIcfgContainer [2021-12-14 23:47:41,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:47:41,734 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:47:41,734 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:47:41,737 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:47:41,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:47:41,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:47:40" (1/3) ... [2021-12-14 23:47:41,748 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4127098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:47:41, skipping insertion in model container [2021-12-14 23:47:41,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:47:41,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:47:41" (2/3) ... [2021-12-14 23:47:41,748 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4127098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:47:41, skipping insertion in model container [2021-12-14 23:47:41,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:47:41,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:41" (3/3) ... [2021-12-14 23:47:41,750 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2021-12-14 23:47:41,780 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:47:41,780 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:47:41,780 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:47:41,780 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:47:41,780 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:47:41,780 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:47:41,781 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:47:41,781 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:47:41,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) [2021-12-14 23:47:41,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-14 23:47:41,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:47:41,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:47:41,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:41,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:41,828 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:47:41,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) [2021-12-14 23:47:41,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2021-12-14 23:47:41,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:47:41,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:47:41,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:41,840 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:41,845 INFO L791 eck$LassoCheckResult]: Stem: 104#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 118#L248true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 70#L248-1true init_#res#1 := init_~tmp~0#1; 116#L377true main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 34#L22true assume !(0 == assume_abort_if_not_~cond#1); 87#L21true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 51#L446-2true [2021-12-14 23:47:41,846 INFO L793 eck$LassoCheckResult]: Loop: 51#L446-2true assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 64#L76true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 10#L80true assume !(node1_~m1~0#1 != ~nomsg~0); 102#L80-1true ~mode1~0 := 0; 108#L76-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 99#L113true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 26#L116true assume !(node2_~m2~0#1 != ~nomsg~0); 88#L116-1true ~mode2~0 := 0; 38#L113-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 103#L147true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 89#L150true assume !(node3_~m3~0#1 != ~nomsg~0); 8#L150-1true ~mode3~0 := 0; 78#L147-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 85#L181true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 75#L184true assume !(node4_~m4~0#1 != ~nomsg~0); 109#L184-1true ~mode4~0 := 0; 39#L181-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 120#L215true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 32#L218true assume !(node5_~m5~0#1 != ~nomsg~0); 33#L218-1true ~mode5~0 := 0; 107#L215-2true assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 15#L385true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 105#L385-1true check_#res#1 := check_~tmp~1#1; 113#L397true main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 35#L476true assume !(0 == assert_~arg#1 % 256); 23#L471true assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 51#L446-2true [2021-12-14 23:47:41,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:41,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2021-12-14 23:47:41,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:41,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745245631] [2021-12-14 23:47:41,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:41,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:47:42,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:47:42,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745245631] [2021-12-14 23:47:42,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745245631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:47:42,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:47:42,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:47:42,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635104689] [2021-12-14 23:47:42,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:47:42,048 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-14 23:47:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,051 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 1 times [2021-12-14 23:47:42,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776944784] [2021-12-14 23:47:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:47:42,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:47:42,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776944784] [2021-12-14 23:47:42,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776944784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:47:42,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:47:42,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:47:42,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102447492] [2021-12-14 23:47:42,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:47:42,173 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:47:42,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:47:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:47:42,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:47:42,201 INFO L87 Difference]: Start difference. First operand has 121 states, 120 states have (on average 1.7) internal successors, (204), 120 states have internal predecessors, (204), 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) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 23:47:42,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:47:42,275 INFO L93 Difference]: Finished difference Result 124 states and 203 transitions. [2021-12-14 23:47:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:47:42,283 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 203 transitions. [2021-12-14 23:47:42,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-14 23:47:42,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 164 transitions. [2021-12-14 23:47:42,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-12-14 23:47:42,303 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-12-14 23:47:42,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2021-12-14 23:47:42,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:47:42,305 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-14 23:47:42,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2021-12-14 23:47:42,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-12-14 23:47:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.4137931034482758) internal successors, (164), 115 states have internal predecessors, (164), 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) [2021-12-14 23:47:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2021-12-14 23:47:42,329 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-14 23:47:42,329 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2021-12-14 23:47:42,329 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:47:42,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 164 transitions. [2021-12-14 23:47:42,331 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-14 23:47:42,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:47:42,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:47:42,336 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:42,336 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:42,337 INFO L791 eck$LassoCheckResult]: Stem: 376#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 306#L248 assume 0 == ~r1~0; 267#L249 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 268#L250 assume ~id1~0 >= 0; 359#L251 assume 0 == ~st1~0; 323#L252 assume ~send1~0 == ~id1~0; 324#L253 assume 0 == ~mode1~0 % 256; 326#L254 assume ~id2~0 >= 0; 288#L255 assume 0 == ~st2~0; 289#L256 assume ~send2~0 == ~id2~0; 325#L257 assume 0 == ~mode2~0 % 256; 301#L258 assume ~id3~0 >= 0; 302#L259 assume 0 == ~st3~0; 352#L260 assume ~send3~0 == ~id3~0; 353#L261 assume 0 == ~mode3~0 % 256; 331#L262 assume ~id4~0 >= 0; 332#L263 assume 0 == ~st4~0; 340#L264 assume ~send4~0 == ~id4~0; 341#L265 assume 0 == ~mode4~0 % 256; 280#L266 assume ~id5~0 >= 0; 281#L267 assume 0 == ~st5~0; 291#L268 assume ~send5~0 == ~id5~0; 292#L269 assume 0 == ~mode5~0 % 256; 274#L270 assume ~id1~0 != ~id2~0; 275#L271 assume ~id1~0 != ~id3~0; 303#L272 assume ~id1~0 != ~id4~0; 314#L273 assume ~id1~0 != ~id5~0; 338#L274 assume ~id2~0 != ~id3~0; 366#L275 assume ~id2~0 != ~id4~0; 263#L276 assume ~id2~0 != ~id5~0; 264#L277 assume ~id3~0 != ~id4~0; 377#L278 assume ~id3~0 != ~id5~0; 327#L279 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 328#L248-1 init_#res#1 := init_~tmp~0#1; 358#L377 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 312#L22 assume !(0 == assume_abort_if_not_~cond#1); 313#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 294#L446-2 [2021-12-14 23:47:42,337 INFO L793 eck$LassoCheckResult]: Loop: 294#L446-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 336#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 276#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 278#L80-1 ~mode1~0 := 0; 372#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 373#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 298#L116 assume !(node2_~m2~0#1 != ~nomsg~0); 270#L116-1 ~mode2~0 := 0; 296#L113-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 317#L147 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 368#L150 assume !(node3_~m3~0#1 != ~nomsg~0); 272#L150-1 ~mode3~0 := 0; 273#L147-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 364#L181 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 361#L184 assume !(node4_~m4~0#1 != ~nomsg~0); 348#L184-1 ~mode4~0 := 0; 318#L181-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 319#L215 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 307#L218 assume !(node5_~m5~0#1 != ~nomsg~0); 309#L218-1 ~mode5~0 := 0; 310#L215-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 284#L385 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 285#L385-1 check_#res#1 := check_~tmp~1#1; 375#L397 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 311#L476 assume !(0 == assert_~arg#1 % 256); 293#L471 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 294#L446-2 [2021-12-14 23:47:42,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2021-12-14 23:47:42,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495096677] [2021-12-14 23:47:42,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,379 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:47:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,479 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:47:42,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,480 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 2 times [2021-12-14 23:47:42,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130847181] [2021-12-14 23:47:42,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:42,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:47:42,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:47:42,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130847181] [2021-12-14 23:47:42,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130847181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:47:42,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:47:42,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:47:42,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918914096] [2021-12-14 23:47:42,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:47:42,604 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-14 23:47:42,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:47:42,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 23:47:42,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 23:47:42,605 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. cyclomatic complexity: 49 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-14 23:47:42,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:47:42,653 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2021-12-14 23:47:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 23:47:42,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 166 transitions. [2021-12-14 23:47:42,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-14 23:47:42,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 116 states and 162 transitions. [2021-12-14 23:47:42,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-12-14 23:47:42,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-12-14 23:47:42,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 162 transitions. [2021-12-14 23:47:42,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:47:42,666 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-14 23:47:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 162 transitions. [2021-12-14 23:47:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-12-14 23:47:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.396551724137931) internal successors, (162), 115 states have internal predecessors, (162), 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) [2021-12-14 23:47:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2021-12-14 23:47:42,677 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-14 23:47:42,677 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2021-12-14 23:47:42,677 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-14 23:47:42,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 162 transitions. [2021-12-14 23:47:42,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2021-12-14 23:47:42,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:47:42,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:47:42,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:42,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:47:42,678 INFO L791 eck$LassoCheckResult]: Stem: 622#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(50, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0; 552#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~ret40#1, main_#t~ret41#1, main_#t~post42#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id4~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~st4~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~send4~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~mode4~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~alive4~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id5~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~st5~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~send5~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode5~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~alive5~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 553#L248 assume 0 == ~r1~0; 514#L249 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 515#L250 assume ~id1~0 >= 0; 606#L251 assume 0 == ~st1~0; 570#L252 assume ~send1~0 == ~id1~0; 571#L253 assume 0 == ~mode1~0 % 256; 573#L254 assume ~id2~0 >= 0; 535#L255 assume 0 == ~st2~0; 536#L256 assume ~send2~0 == ~id2~0; 572#L257 assume 0 == ~mode2~0 % 256; 548#L258 assume ~id3~0 >= 0; 549#L259 assume 0 == ~st3~0; 599#L260 assume ~send3~0 == ~id3~0; 600#L261 assume 0 == ~mode3~0 % 256; 578#L262 assume ~id4~0 >= 0; 579#L263 assume 0 == ~st4~0; 587#L264 assume ~send4~0 == ~id4~0; 588#L265 assume 0 == ~mode4~0 % 256; 527#L266 assume ~id5~0 >= 0; 528#L267 assume 0 == ~st5~0; 538#L268 assume ~send5~0 == ~id5~0; 539#L269 assume 0 == ~mode5~0 % 256; 521#L270 assume ~id1~0 != ~id2~0; 522#L271 assume ~id1~0 != ~id3~0; 550#L272 assume ~id1~0 != ~id4~0; 561#L273 assume ~id1~0 != ~id5~0; 585#L274 assume ~id2~0 != ~id3~0; 613#L275 assume ~id2~0 != ~id4~0; 510#L276 assume ~id2~0 != ~id5~0; 511#L277 assume ~id3~0 != ~id4~0; 624#L278 assume ~id3~0 != ~id5~0; 574#L279 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 575#L248-1 init_#res#1 := init_~tmp~0#1; 605#L377 main_#t~ret40#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret40#1;havoc main_#t~ret40#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 558#L22 assume !(0 == assume_abort_if_not_~cond#1); 559#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 543#L446-2 [2021-12-14 23:47:42,679 INFO L793 eck$LassoCheckResult]: Loop: 543#L446-2 assume !!(main_~i2~0#1 < 10);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 583#L76 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 523#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 525#L80-1 ~mode1~0 := 0; 619#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite6#1, node2_#t~ite7#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 620#L113 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 545#L116 assume !(node2_~m2~0#1 != ~nomsg~0); 517#L116-1 ~mode2~0 := 0; 541#L113-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite8#1, node3_#t~ite9#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 564#L147 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 615#L150 assume !(node3_~m3~0#1 != ~nomsg~0); 519#L150-1 ~mode3~0 := 0; 520#L147-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite10#1, node4_#t~ite11#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 611#L181 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 608#L184 assume !(node4_~m4~0#1 != ~nomsg~0); 595#L184-1 ~mode4~0 := 0; 565#L181-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite12#1, node5_#t~ite13#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 566#L215 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 554#L218 assume !(node5_~m5~0#1 != ~nomsg~0); 556#L218-1 ~mode5~0 := 0; 557#L215-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 531#L385 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 532#L386 assume ~r1~0 < 5;check_~tmp~1#1 := 1; 534#L385-1 check_#res#1 := check_~tmp~1#1; 623#L397 main_#t~ret41#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret41#1;havoc main_#t~ret41#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 560#L476 assume !(0 == assert_~arg#1 % 256); 542#L471 assume { :end_inline_assert } true;main_#t~post42#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post42#1;havoc main_#t~post42#1; 543#L446-2 [2021-12-14 23:47:42,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2021-12-14 23:47:42,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138397611] [2021-12-14 23:47:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,698 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:47:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,722 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:47:42,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1026451556, now seen corresponding path program 1 times [2021-12-14 23:47:42,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598764119] [2021-12-14 23:47:42,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,735 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:47:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:47:42,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:47:42,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:42,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1906603762, now seen corresponding path program 1 times [2021-12-14 23:47:42,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:47:42,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675303703] [2021-12-14 23:47:42,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:47:42,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:47:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:47:42,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:47:42,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675303703] [2021-12-14 23:47:42,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675303703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:47:42,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:47:42,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-14 23:47:42,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827331307] [2021-12-14 23:47:42,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:47:43,682 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:47:43,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:47:43,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:47:43,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:47:43,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-14 23:47:43,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:43,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:47:43,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:47:43,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-12-14 23:47:43,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:47:43,684 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:47:43,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:43,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:47:44,327 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-14 23:47:44,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:44,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:44,334 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) [2021-12-14 23:47:44,335 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 [2021-12-14 23:47:44,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-14 23:47:44,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:47:44,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-14 23:47:44,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:44,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:44,371 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) [2021-12-14 23:47:44,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-14 23:47:44,377 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-14 23:47:44,378 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 [2021-12-14 23:47:44,496 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-14 23:47:44,502 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 [2021-12-14 23:47:44,502 INFO L210 LassoAnalysis]: Preferences: [2021-12-14 23:47:44,502 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-14 23:47:44,502 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-14 23:47:44,502 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-14 23:47:44,503 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-14 23:47:44,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:44,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-14 23:47:44,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-14 23:47:44,503 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2021-12-14 23:47:44,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-14 23:47:44,503 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-14 23:47:44,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:44,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-14 23:47:45,103 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-14 23:47:45,107 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-14 23:47:45,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,112 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) [2021-12-14 23:47:45,115 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 [2021-12-14 23:47:45,115 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 [2021-12-14 23:47:45,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,158 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 [2021-12-14 23:47:45,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,159 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) [2021-12-14 23:47:45,160 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 [2021-12-14 23:47:45,161 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 [2021-12-14 23:47:45,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,194 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 [2021-12-14 23:47:45,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,196 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) [2021-12-14 23:47:45,196 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 [2021-12-14 23:47:45,198 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 [2021-12-14 23:47:45,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,223 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 [2021-12-14 23:47:45,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,225 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) [2021-12-14 23:47:45,225 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 [2021-12-14 23:47:45,227 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 [2021-12-14 23:47:45,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,251 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 [2021-12-14 23:47:45,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,253 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) [2021-12-14 23:47:45,253 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 [2021-12-14 23:47:45,255 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 [2021-12-14 23:47:45,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,287 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 [2021-12-14 23:47:45,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,289 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) [2021-12-14 23:47:45,290 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 [2021-12-14 23:47:45,292 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 [2021-12-14 23:47:45,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-14 23:47:45,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,319 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) [2021-12-14 23:47:45,320 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 [2021-12-14 23:47:45,321 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 [2021-12-14 23:47:45,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,348 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 [2021-12-14 23:47:45,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,349 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) [2021-12-14 23:47:45,350 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 [2021-12-14 23:47:45,351 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 [2021-12-14 23:47:45,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,358 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-14 23:47:45,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,361 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-14 23:47:45,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,379 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 [2021-12-14 23:47:45,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,381 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) [2021-12-14 23:47:45,381 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 [2021-12-14 23:47:45,383 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 [2021-12-14 23:47:45,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,407 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 [2021-12-14 23:47:45,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,409 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) [2021-12-14 23:47:45,409 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 [2021-12-14 23:47:45,410 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 [2021-12-14 23:47:45,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-14 23:47:45,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,435 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) [2021-12-14 23:47:45,436 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 [2021-12-14 23:47:45,437 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 [2021-12-14 23:47:45,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,486 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 [2021-12-14 23:47:45,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,487 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) [2021-12-14 23:47:45,488 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 [2021-12-14 23:47:45,489 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 [2021-12-14 23:47:45,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,514 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 [2021-12-14 23:47:45,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,515 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) [2021-12-14 23:47:45,516 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 [2021-12-14 23:47:45,517 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 [2021-12-14 23:47:45,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,542 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 [2021-12-14 23:47:45,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,543 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) [2021-12-14 23:47:45,544 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 [2021-12-14 23:47:45,546 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 [2021-12-14 23:47:45,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,571 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 [2021-12-14 23:47:45,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,573 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) [2021-12-14 23:47:45,574 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 [2021-12-14 23:47:45,575 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 [2021-12-14 23:47:45,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-14 23:47:45,599 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 [2021-12-14 23:47:45,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,601 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) [2021-12-14 23:47:45,602 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 [2021-12-14 23:47:45,602 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 [2021-12-14 23:47:45,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-14 23:47:45,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-14 23:47:45,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-14 23:47:45,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-14 23:47:45,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-14 23:47:45,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-14 23:47:45,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-14 23:47:45,611 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-14 23:47:45,636 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-14 23:47:45,637 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-14 23:47:45,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:47:45,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:47:45,640 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) [2021-12-14 23:47:45,651 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 [2021-12-14 23:47:45,652 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-14 23:47:45,652 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-14 23:47:45,652 INFO L513 LassoAnalysis]: Proved termination. [2021-12-14 23:47:45,653 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 19 Supporting invariants [] [2021-12-14 23:47:45,678 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 [2021-12-14 23:47:45,680 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-14 23:47:45,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:47:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:45,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-14 23:47:45,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:47:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:47:45,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-14 23:47:45,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-14 23:47:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:47:45,996 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-14 23:47:45,997 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47 Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-12-14 23:47:46,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 194 states and 287 transitions. Complement of second has 4 states. [2021-12-14 23:47:46,061 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 [2021-12-14 23:47:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-12-14 23:47:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-12-14 23:47:46,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 27 letters. [2021-12-14 23:47:46,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:47:46,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 65 letters. Loop has 27 letters. [2021-12-14 23:47:46,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:47:46,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 54 letters. [2021-12-14 23:47:46,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-14 23:47:46,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 287 transitions. [2021-12-14 23:47:46,072 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:47:46,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 0 states and 0 transitions. [2021-12-14 23:47:46,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:47:46,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:47:46,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:47:46,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:47:46,073 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:47:46,073 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:47:46,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:47:46,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-14 23:47:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-14 23:47:46,074 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-12-14 23:47:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:47:46,074 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-14 23:47:46,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-14 23:47:46,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-14 23:47:46,075 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:47:46,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 23:47:46,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-14 23:47:46,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-14 23:47:46,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-14 23:47:46,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:47:46,076 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:47:46,076 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:47:46,076 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 23:47:46,076 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-14 23:47:46,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-14 23:47:46,076 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-14 23:47:46,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-14 23:47:46,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:47:46 BoogieIcfgContainer [2021-12-14 23:47:46,103 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:47:46,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:47:46,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:47:46,104 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:47:46,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:47:41" (3/4) ... [2021-12-14 23:47:46,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-14 23:47:46,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:47:46,108 INFO L158 Benchmark]: Toolchain (without parser) took 5248.62ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 66.7MB in the beginning and 106.9MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:47:46,108 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:47:46,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.23ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 75.8MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:47:46,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.45ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 73.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-14 23:47:46,110 INFO L158 Benchmark]: Boogie Preprocessor took 32.66ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:47:46,110 INFO L158 Benchmark]: RCFGBuilder took 477.53ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 49.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-14 23:47:46,111 INFO L158 Benchmark]: BuchiAutomizer took 4368.49ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 49.5MB in the beginning and 106.9MB in the end (delta: -57.5MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-12-14 23:47:46,111 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:47:46,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.23ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 75.8MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.45ms. Allocated memory is still 104.9MB. Free memory was 75.8MB in the beginning and 73.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.66ms. Allocated memory is still 104.9MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.53ms. Allocated memory is still 104.9MB. Free memory was 71.1MB in the beginning and 49.5MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4368.49ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 49.5MB in the beginning and 106.9MB in the end (delta: -57.5MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 116 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 1685 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1164 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 521 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div103 bol100 ite100 ukn100 eq221 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-14 23:47:46,125 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 [2021-12-14 23:47:46,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE