./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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.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 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:43:33,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:43:33,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:43:33,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:43:33,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:43:33,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:43:33,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:43:33,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:43:33,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:43:33,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:43:33,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:43:33,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:43:33,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:43:33,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:43:33,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:43:33,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:43:33,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:43:33,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:43:33,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:43:33,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:43:33,775 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:43:33,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:43:33,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:43:33,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:43:33,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:43:33,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:43:33,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:43:33,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:43:33,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:43:33,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:43:33,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:43:33,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:43:33,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:43:33,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:43:33,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:43:33,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:43:33,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:43:33,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:43:33,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:43:33,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:43:33,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:43:33,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:43:33,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:43:33,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:43:33,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:43:33,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:43:33,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:43:33,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:43:33,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:43:33,816 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:43:33,816 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:43:33,816 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:43:33,817 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:43:33,817 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:43:33,817 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:43:33,817 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:43:33,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:43:33,817 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:43:33,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:43:33,819 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:43:33,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:43:33,819 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:43:33,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:43:33,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:43:33,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:43:33,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:43:33,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:43:33,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:43:33,821 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:43:33,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2022-07-23 15:43:34,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:43:34,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:43:34,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:43:34,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:43:34,054 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:43:34,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2022-07-23 15:43:34,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7487f8c85/4e913a0be39b472d8d641a9124dec22f/FLAG153b39ecc [2022-07-23 15:43:34,491 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:43:34,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2022-07-23 15:43:34,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7487f8c85/4e913a0be39b472d8d641a9124dec22f/FLAG153b39ecc [2022-07-23 15:43:34,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7487f8c85/4e913a0be39b472d8d641a9124dec22f [2022-07-23 15:43:34,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:43:34,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:43:34,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:43:34,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:43:34,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:43:34,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:34" (1/1) ... [2022-07-23 15:43:34,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d85468b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:34, skipping insertion in model container [2022-07-23 15:43:34,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:43:34" (1/1) ... [2022-07-23 15:43:34,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:43:34,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:43:35,078 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.ufo.BOUNDED-10.pals.c[12751,12764] [2022-07-23 15:43:35,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:43:35,086 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:43:35,121 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.ufo.BOUNDED-10.pals.c[12751,12764] [2022-07-23 15:43:35,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:43:35,135 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:43:35,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35 WrapperNode [2022-07-23 15:43:35,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:43:35,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:43:35,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:43:35,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:43:35,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,171 INFO L137 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 372 [2022-07-23 15:43:35,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:43:35,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:43:35,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:43:35,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:43:35,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:43:35,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:43:35,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:43:35,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:43:35,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (1/1) ... [2022-07-23 15:43:35,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:35,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:35,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:35,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:43:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:43:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:43:35,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:43:35,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:43:35,399 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:43:35,401 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:43:35,725 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:43:35,734 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:43:35,734 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:43:35,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:35 BoogieIcfgContainer [2022-07-23 15:43:35,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:43:35,738 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:43:35,738 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:43:35,740 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:43:35,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:43:35,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:43:34" (1/3) ... [2022-07-23 15:43:35,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66e5cf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:43:35, skipping insertion in model container [2022-07-23 15:43:35,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:43:35,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:43:35" (2/3) ... [2022-07-23 15:43:35,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66e5cf70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:43:35, skipping insertion in model container [2022-07-23 15:43:35,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:43:35,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:35" (3/3) ... [2022-07-23 15:43:35,745 INFO L354 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2022-07-23 15:43:35,801 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:43:35,801 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:43:35,801 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:43:35,801 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:43:35,802 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:43:35,802 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:43:35,802 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:43:35,802 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:43:35,810 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) [2022-07-23 15:43:35,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2022-07-23 15:43:35,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:43:35,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:43:35,855 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:43:35,855 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:35,855 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:43:35,856 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) [2022-07-23 15:43:35,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79 [2022-07-23 15:43:35,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:43:35,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:43:35,869 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:43:35,869 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:35,875 INFO L752 eck$LassoCheckResult]: Stem: 106#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(48, 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; 33#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; 60#L246true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 19#L246-1true init_#res#1 := init_~tmp~0#1; 16#L375true 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; 35#L22true assume !(0 == assume_abort_if_not_~cond#1); 90#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; 17#L444-2true [2022-07-23 15:43:35,880 INFO L754 eck$LassoCheckResult]: Loop: 17#L444-2true 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; 9#L80true assume !(node1_~m1~0#1 != ~nomsg~0); 104#L80-1true ~mode1~0 := 0; 109#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; 20#L111true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 47#L114true assume !(node2_~m2~0#1 != ~nomsg~0); 88#L114-1true ~mode2~0 := 0; 91#L111-2true 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; 54#L145true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 28#L148true assume !(node3_~m3~0#1 != ~nomsg~0); 100#L148-1true ~mode3~0 := 0; 48#L145-2true 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; 113#L179true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 94#L182true assume !(node4_~m4~0#1 != ~nomsg~0); 121#L182-1true ~mode4~0 := 0; 23#L179-2true 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; 114#L213true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 98#L216true assume !(node5_~m5~0#1 != ~nomsg~0); 56#L216-1true ~mode5~0 := 0; 13#L213-2true 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; 43#L383true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 10#L383-1true check_#res#1 := check_~tmp~1#1; 75#L395true 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; 51#L474true assume !(0 == assert_~arg#1 % 256); 15#L469true 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; 17#L444-2true [2022-07-23 15:43:35,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:35,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2022-07-23 15:43:35,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:35,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808252552] [2022-07-23 15:43:35,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:35,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:43:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:43:36,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808252552] [2022-07-23 15:43:36,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808252552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:43:36,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:43:36,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:43:36,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729041322] [2022-07-23 15:43:36,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:43:36,092 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:43:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,094 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 1 times [2022-07-23 15:43:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567237237] [2022-07-23 15:43:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:43:36,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:43:36,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567237237] [2022-07-23 15:43:36,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567237237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:43:36,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:43:36,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:43:36,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205850293] [2022-07-23 15:43:36,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:43:36,220 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:43:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:43:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:43:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:43:36,255 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) [2022-07-23 15:43:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:43:36,352 INFO L93 Difference]: Finished difference Result 124 states and 203 transitions. [2022-07-23 15:43:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:43:36,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 203 transitions. [2022-07-23 15:43:36,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2022-07-23 15:43:36,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 164 transitions. [2022-07-23 15:43:36,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2022-07-23 15:43:36,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2022-07-23 15:43:36,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2022-07-23 15:43:36,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:43:36,366 INFO L369 hiAutomatonCegarLoop]: Abstraction has 116 states and 164 transitions. [2022-07-23 15:43:36,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2022-07-23 15:43:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-07-23 15:43:36,412 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) [2022-07-23 15:43:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2022-07-23 15:43:36,414 INFO L392 hiAutomatonCegarLoop]: Abstraction has 116 states and 164 transitions. [2022-07-23 15:43:36,414 INFO L374 stractBuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2022-07-23 15:43:36,414 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:43:36,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 164 transitions. [2022-07-23 15:43:36,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2022-07-23 15:43:36,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:43:36,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:43:36,420 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:36,420 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:36,421 INFO L752 eck$LassoCheckResult]: Stem: 378#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(48, 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; 321#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; 322#L246 assume 0 == ~r1~0; 348#L247 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 376#L248 assume ~id1~0 >= 0; 268#L249 assume 0 == ~st1~0; 269#L250 assume ~send1~0 == ~id1~0; 363#L251 assume 0 == ~mode1~0 % 256; 332#L252 assume ~id2~0 >= 0; 333#L253 assume 0 == ~st2~0; 339#L254 assume ~send2~0 == ~id2~0; 293#L255 assume 0 == ~mode2~0 % 256; 294#L256 assume ~id3~0 >= 0; 334#L257 assume 0 == ~st3~0; 315#L258 assume ~send3~0 == ~id3~0; 316#L259 assume 0 == ~mode3~0 % 256; 353#L260 assume ~id4~0 >= 0; 354#L261 assume 0 == ~st4~0; 342#L262 assume ~send4~0 == ~id4~0; 343#L263 assume 0 == ~mode4~0 % 256; 346#L264 assume ~id5~0 >= 0; 347#L265 assume 0 == ~st5~0; 279#L266 assume ~send5~0 == ~id5~0; 280#L267 assume 0 == ~mode5~0 % 256; 299#L268 assume ~id1~0 != ~id2~0; 300#L269 assume ~id1~0 != ~id3~0; 272#L270 assume ~id1~0 != ~id4~0; 273#L271 assume ~id1~0 != ~id5~0; 317#L272 assume ~id2~0 != ~id3~0; 325#L273 assume ~id2~0 != ~id4~0; 345#L274 assume ~id2~0 != ~id5~0; 368#L275 assume ~id3~0 != ~id4~0; 263#L276 assume ~id3~0 != ~id5~0; 264#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 295#L246-1 init_#res#1 := init_~tmp~0#1; 290#L375 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; 291#L22 assume !(0 == assume_abort_if_not_~cond#1); 324#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; 289#L444-2 [2022-07-23 15:43:36,421 INFO L754 eck$LassoCheckResult]: Loop: 289#L444-2 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; 292#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; 274#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 276#L80-1 ~mode1~0 := 0; 377#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; 296#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 297#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 308#L114-1 ~mode2~0 := 0; 373#L111-2 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; 344#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 313#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 271#L148-1 ~mode3~0 := 0; 306#L145-2 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; 338#L179 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 374#L182 assume !(node4_~m4~0#1 != ~nomsg~0); 311#L182-1 ~mode4~0 := 0; 304#L179-2 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; 305#L213 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 375#L216 assume !(node5_~m5~0#1 != ~nomsg~0); 302#L216-1 ~mode5~0 := 0; 284#L213-2 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; 285#L383 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 277#L383-1 check_#res#1 := check_~tmp~1#1; 278#L395 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; 341#L474 assume !(0 == assert_~arg#1 % 256); 288#L469 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; 289#L444-2 [2022-07-23 15:43:36,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2022-07-23 15:43:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506116428] [2022-07-23 15:43:36,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,458 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:43:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:43:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,523 INFO L85 PathProgramCache]: Analyzing trace with hash 738213390, now seen corresponding path program 2 times [2022-07-23 15:43:36,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138544522] [2022-07-23 15:43:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:43:36,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:43:36,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138544522] [2022-07-23 15:43:36,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138544522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:43:36,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:43:36,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:43:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327175418] [2022-07-23 15:43:36,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:43:36,614 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:43:36,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:43:36,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:43:36,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:43:36,615 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) [2022-07-23 15:43:36,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:43:36,651 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2022-07-23 15:43:36,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:43:36,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 166 transitions. [2022-07-23 15:43:36,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2022-07-23 15:43:36,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 116 states and 162 transitions. [2022-07-23 15:43:36,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2022-07-23 15:43:36,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2022-07-23 15:43:36,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 162 transitions. [2022-07-23 15:43:36,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:43:36,659 INFO L369 hiAutomatonCegarLoop]: Abstraction has 116 states and 162 transitions. [2022-07-23 15:43:36,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 162 transitions. [2022-07-23 15:43:36,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-07-23 15:43:36,667 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) [2022-07-23 15:43:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2022-07-23 15:43:36,668 INFO L392 hiAutomatonCegarLoop]: Abstraction has 116 states and 162 transitions. [2022-07-23 15:43:36,668 INFO L374 stractBuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2022-07-23 15:43:36,668 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:43:36,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 162 transitions. [2022-07-23 15:43:36,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2022-07-23 15:43:36,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:43:36,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:43:36,671 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:36,671 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:43:36,671 INFO L752 eck$LassoCheckResult]: Stem: 625#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(48, 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; 568#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; 569#L246 assume 0 == ~r1~0; 595#L247 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 623#L248 assume ~id1~0 >= 0; 515#L249 assume 0 == ~st1~0; 516#L250 assume ~send1~0 == ~id1~0; 610#L251 assume 0 == ~mode1~0 % 256; 579#L252 assume ~id2~0 >= 0; 580#L253 assume 0 == ~st2~0; 586#L254 assume ~send2~0 == ~id2~0; 540#L255 assume 0 == ~mode2~0 % 256; 541#L256 assume ~id3~0 >= 0; 581#L257 assume 0 == ~st3~0; 562#L258 assume ~send3~0 == ~id3~0; 563#L259 assume 0 == ~mode3~0 % 256; 600#L260 assume ~id4~0 >= 0; 601#L261 assume 0 == ~st4~0; 589#L262 assume ~send4~0 == ~id4~0; 590#L263 assume 0 == ~mode4~0 % 256; 593#L264 assume ~id5~0 >= 0; 594#L265 assume 0 == ~st5~0; 526#L266 assume ~send5~0 == ~id5~0; 527#L267 assume 0 == ~mode5~0 % 256; 546#L268 assume ~id1~0 != ~id2~0; 547#L269 assume ~id1~0 != ~id3~0; 519#L270 assume ~id1~0 != ~id4~0; 520#L271 assume ~id1~0 != ~id5~0; 564#L272 assume ~id2~0 != ~id3~0; 572#L273 assume ~id2~0 != ~id4~0; 592#L274 assume ~id2~0 != ~id5~0; 615#L275 assume ~id3~0 != ~id4~0; 510#L276 assume ~id3~0 != ~id5~0; 511#L277 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 542#L246-1 init_#res#1 := init_~tmp~0#1; 537#L375 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; 538#L22 assume !(0 == assume_abort_if_not_~cond#1); 571#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; 536#L444-2 [2022-07-23 15:43:36,671 INFO L754 eck$LassoCheckResult]: Loop: 536#L444-2 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; 539#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; 521#L80 assume !(node1_~m1~0#1 != ~nomsg~0); 523#L80-1 ~mode1~0 := 0; 624#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; 543#L111 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 544#L114 assume !(node2_~m2~0#1 != ~nomsg~0); 555#L114-1 ~mode2~0 := 0; 620#L111-2 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; 591#L145 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 560#L148 assume !(node3_~m3~0#1 != ~nomsg~0); 518#L148-1 ~mode3~0 := 0; 553#L145-2 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; 585#L179 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 621#L182 assume !(node4_~m4~0#1 != ~nomsg~0); 558#L182-1 ~mode4~0 := 0; 551#L179-2 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; 552#L213 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 622#L216 assume !(node5_~m5~0#1 != ~nomsg~0); 549#L216-1 ~mode5~0 := 0; 531#L213-2 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; 532#L383 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 582#L384 assume ~r1~0 < 5;check_~tmp~1#1 := 1; 524#L383-1 check_#res#1 := check_~tmp~1#1; 525#L395 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; 588#L474 assume !(0 == assert_~arg#1 % 256); 535#L469 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; 536#L444-2 [2022-07-23 15:43:36,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2022-07-23 15:43:36,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736756489] [2022-07-23 15:43:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:43:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:43:36,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1026451556, now seen corresponding path program 1 times [2022-07-23 15:43:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718910382] [2022-07-23 15:43:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,769 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:43:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:43:36,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:43:36,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:36,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1906603762, now seen corresponding path program 1 times [2022-07-23 15:43:36,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:43:36,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690732822] [2022-07-23 15:43:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:43:36,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:43:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:43:36,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:43:36,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690732822] [2022-07-23 15:43:36,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690732822] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:43:36,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:43:36,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:43:36,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765878181] [2022-07-23 15:43:36,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:43:37,547 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:43:37,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:43:37,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:43:37,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:43:37,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:43:37,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:37,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:43:37,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:43:37,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2022-07-23 15:43:37,549 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:43:37,549 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:43:37,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:37,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,111 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:43:38,112 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:43:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:38,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:38,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 15:43:38,116 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:43:38,116 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:43:38,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-07-23 15:43:38,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:38,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:38,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:43:38,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:43:38,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 15:43:38,261 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:43:38,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:38,265 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:43:38,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:43:38,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:43:38,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:43:38,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:43:38,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:43:38,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:43:38,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2022-07-23 15:43:38,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:43:38,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:43:38,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:43:38,857 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:43:38,860 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:43:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:38,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:38,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 15:43:38,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:38,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:38,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:38,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:38,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:38,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:38,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:38,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:38,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:38,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:38,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:38,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:38,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 15:43:38,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:38,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:38,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:38,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:38,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:38,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:38,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:38,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:38,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:38,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:38,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:38,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:38,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:38,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 15:43:38,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:38,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:38,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:38,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:38,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:38,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:38,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:38,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:38,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 15:43:39,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 15:43:39,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,058 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 15:43:39,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,088 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 15:43:39,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,130 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,140 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-23 15:43:39,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,142 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-07-23 15:43:39,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 15:43:39,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-23 15:43:39,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 15:43:39,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,200 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 15:43:39,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-23 15:43:39,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,228 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 15:43:39,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-07-23 15:43:39,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,254 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 15:43:39,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,286 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 15:43:39,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,313 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 15:43:39,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,341 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 15:43:39,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:43:39,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,376 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-23 15:43:39,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:43:39,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:43:39,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:43:39,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:43:39,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:43:39,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:43:39,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:43:39,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:43:39,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:43:39,412 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:43:39,412 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:43:39,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:43:39,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:43:39,414 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:43:39,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 15:43:39,416 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:43:39,416 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:43:39,416 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:43:39,417 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 [] [2022-07-23 15:43:39,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,439 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:43:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:43:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:39,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:43:39,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:43:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:43:39,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:43:39,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:43:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:43:39,655 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 [2022-07-23 15:43:39,655 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) [2022-07-23 15:43:39,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-23 15:43:39,712 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. [2022-07-23 15:43:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-23 15:43:39,714 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) [2022-07-23 15:43:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2022-07-23 15:43:39,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 27 letters. [2022-07-23 15:43:39,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:43:39,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 65 letters. Loop has 27 letters. [2022-07-23 15:43:39,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:43:39,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 54 letters. [2022-07-23 15:43:39,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:43:39,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 287 transitions. [2022-07-23 15:43:39,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:43:39,723 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 0 states and 0 transitions. [2022-07-23 15:43:39,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:43:39,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:43:39,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:43:39,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:43:39,724 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:43:39,724 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:43:39,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:43:39,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:43:39,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:43:39,726 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) [2022-07-23 15:43:39,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:43:39,726 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-23 15:43:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:43:39,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-23 15:43:39,726 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:43:39,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 15:43:39,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:43:39,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:43:39,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:43:39,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:43:39,727 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:43:39,727 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:43:39,727 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:43:39,727 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:43:39,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:43:39,728 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:43:39,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:43:39,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:43:39 BoogieIcfgContainer [2022-07-23 15:43:39,734 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:43:39,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:43:39,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:43:39,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:43:39,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:43:35" (3/4) ... [2022-07-23 15:43:39,737 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:43:39,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:43:39,737 INFO L158 Benchmark]: Toolchain (without parser) took 4858.83ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 88.9MB in the beginning and 146.3MB in the end (delta: -57.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-07-23 15:43:39,738 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:43:39,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:43:39,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.99ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 84.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:43:39,738 INFO L158 Benchmark]: Boogie Preprocessor took 43.45ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:43:39,739 INFO L158 Benchmark]: RCFGBuilder took 519.72ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 59.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-23 15:43:39,741 INFO L158 Benchmark]: BuchiAutomizer took 3996.34ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 59.7MB in the beginning and 146.3MB in the end (delta: -86.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:43:39,741 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 186.6MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:43:39,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.62ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.99ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 84.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.45ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.72ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 59.7MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3996.34ms. Allocated memory was 117.4MB in the beginning and 186.6MB in the end (delta: 69.2MB). Free memory was 59.7MB in the beginning and 146.3MB in the end (delta: -86.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 186.6MB. Free memory is still 146.3MB. 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 3.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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 -1 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, 0.1s 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: inital167 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div104 bol100 ite100 ukn100 eq218 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:43:39,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE