./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.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_floodmax.4.1.ufo.BOUNDED-8.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 d0919f37d9ec3b35ef959618459b2f9ff909696f753b572bc67b87ebda7b05b0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:38:29,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:38:29,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:38:29,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:38:29,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:38:29,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:38:29,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:38:29,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:38:29,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:38:29,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:38:29,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:38:29,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:38:29,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:38:29,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:38:29,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:38:29,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:38:29,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:38:29,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:38:29,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:38:29,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:38:29,780 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:38:29,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:38:29,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:38:29,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:38:29,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:38:29,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:38:29,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:38:29,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:38:29,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:38:29,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:38:29,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:38:29,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:38:29,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:38:29,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:38:29,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:38:29,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:38:29,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:38:29,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:38:29,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:38:29,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:38:29,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:38:29,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:38:29,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:38:29,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:38:29,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:38:29,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:38:29,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:38:29,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:38:29,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:38:29,824 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:38:29,825 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:38:29,825 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:38:29,825 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:38:29,825 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:38:29,826 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:38:29,826 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:38:29,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:38:29,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:38:29,826 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:38:29,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:38:29,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:38:29,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:38:29,828 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:38:29,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:38:29,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:38:29,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:38:29,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:38:29,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:38:29,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:38:29,830 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:38:29,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0919f37d9ec3b35ef959618459b2f9ff909696f753b572bc67b87ebda7b05b0 [2022-07-23 15:38:29,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:38:30,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:38:30,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:38:30,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:38:30,029 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:38:30,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:30,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481b82864/2d37dd3b7fff421eba27505e551752ab/FLAG75b6dd550 [2022-07-23 15:38:30,458 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:38:30,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:30,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481b82864/2d37dd3b7fff421eba27505e551752ab/FLAG75b6dd550 [2022-07-23 15:38:30,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481b82864/2d37dd3b7fff421eba27505e551752ab [2022-07-23 15:38:30,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:38:30,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:38:30,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:38:30,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:38:30,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:38:30,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f09eb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30, skipping insertion in model container [2022-07-23 15:38:30,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:38:30,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:38:30,801 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_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2022-07-23 15:38:30,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:38:30,808 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:38:30,892 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_floodmax.4.1.ufo.BOUNDED-8.pals.c[24198,24211] [2022-07-23 15:38:30,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:38:30,903 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:38:30,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30 WrapperNode [2022-07-23 15:38:30,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:38:30,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:38:30,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:38:30,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:38:30,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,968 INFO L137 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 901 [2022-07-23 15:38:30,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:38:30,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:38:30,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:38:30,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:38:30,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:30,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:31,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:38:31,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:38:31,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:38:31,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:38:31,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (1/1) ... [2022-07-23 15:38:31,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:31,047 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 15:38:31,095 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 15:38:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:38:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:38:31,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:38:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:38:31,271 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:38:31,272 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:38:31,877 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:38:31,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:38:31,891 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:38:31,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:31 BoogieIcfgContainer [2022-07-23 15:38:31,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:38:31,895 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:38:31,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:38:31,898 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:38:31,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:31,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:38:30" (1/3) ... [2022-07-23 15:38:31,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36521e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:38:31, skipping insertion in model container [2022-07-23 15:38:31,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:31,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:30" (2/3) ... [2022-07-23 15:38:31,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36521e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:38:31, skipping insertion in model container [2022-07-23 15:38:31,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:31,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:31" (3/3) ... [2022-07-23 15:38:31,901 INFO L354 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:31,953 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:38:31,953 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:38:31,953 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:38:31,953 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:38:31,953 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:38:31,953 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:38:31,954 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:38:31,954 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:38:31,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 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 15:38:32,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2022-07-23 15:38:32,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:32,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:32,019 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:38:32,019 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] [2022-07-23 15:38:32,019 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:38:32,020 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 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 15:38:32,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2022-07-23 15:38:32,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:32,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:32,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:38:32,030 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] [2022-07-23 15:38:32,036 INFO L752 eck$LassoCheckResult]: Stem: 280#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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 190#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 168#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 123#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 283#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 264#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 249#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 263#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 113#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 144#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 182#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 63#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 78#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 45#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 234#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 42#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 176#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 183#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 65#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 109#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 287#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 70#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 279#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 189#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 192#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 23#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 151#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 95#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 162#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 6#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 52#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 250#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 9#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 221#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 188#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 196#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 261#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 92#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 253#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 134#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 161#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 20#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 43#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 255#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 122#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 126#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 11#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 160#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 91#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 137#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 158#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 114#L897-1true init_#res#1 := init_~tmp___23~0#1; 129#L1018true main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#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; 100#L21true assume !(0 == assume_abort_if_not_~cond#1); 165#L20true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 271#L1155-2true [2022-07-23 15:38:32,036 INFO L754 eck$LassoCheckResult]: Loop: 271#L1155-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 116#L109true assume !(0 != ~mode1~0 % 256); 44#L141true assume !(~r1~0 < 3); 273#L141-1true ~mode1~0 := 1; 140#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 185#L162true assume !(0 != ~mode2~0 % 256); 251#L194true assume !(~r2~0 < 3); 4#L194-1true ~mode2~0 := 1; 55#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 149#L215true assume !(0 != ~mode3~0 % 256); 111#L247true assume !(~r3~0 < 3); 274#L247-1true ~mode3~0 := 1; 281#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 173#L268true assume !(0 != ~mode4~0 % 256); 219#L300true assume !(~r4~0 < 3); 46#L300-1true ~mode4~0 := 1; 258#L268-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 228#L1026true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 18#L1026-1true check_#res#1 := check_~tmp~1#1; 49#L1078true main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#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; 177#L1198true assume !(0 == assert_~arg#1 % 256); 225#L1193true assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 271#L1155-2true [2022-07-23 15:38:32,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 1 times [2022-07-23 15:38:32,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379245614] [2022-07-23 15:38:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:32,303 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 15:38:32,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:32,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379245614] [2022-07-23 15:38:32,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379245614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:32,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:32,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649606798] [2022-07-23 15:38:32,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:32,308 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:32,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,309 INFO L85 PathProgramCache]: Analyzing trace with hash -11982095, now seen corresponding path program 1 times [2022-07-23 15:38:32,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527039886] [2022-07-23 15:38:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:32,381 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 15:38:32,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:32,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527039886] [2022-07-23 15:38:32,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527039886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:32,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:32,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131518135] [2022-07-23 15:38:32,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:32,388 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:38:32,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:32,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:38:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:38:32,416 INFO L87 Difference]: Start difference. First operand has 291 states, 290 states have (on average 1.796551724137931) internal successors, (521), 290 states have internal predecessors, (521), 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 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 15:38:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:32,487 INFO L93 Difference]: Finished difference Result 295 states and 521 transitions. [2022-07-23 15:38:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:38:32,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 521 transitions. [2022-07-23 15:38:32,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2022-07-23 15:38:32,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 286 states and 504 transitions. [2022-07-23 15:38:32,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 286 [2022-07-23 15:38:32,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 286 [2022-07-23 15:38:32,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 286 states and 504 transitions. [2022-07-23 15:38:32,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:32,504 INFO L369 hiAutomatonCegarLoop]: Abstraction has 286 states and 504 transitions. [2022-07-23 15:38:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states and 504 transitions. [2022-07-23 15:38:32,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2022-07-23 15:38:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 286 states have (on average 1.7622377622377623) internal successors, (504), 285 states have internal predecessors, (504), 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 15:38:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 504 transitions. [2022-07-23 15:38:32,536 INFO L392 hiAutomatonCegarLoop]: Abstraction has 286 states and 504 transitions. [2022-07-23 15:38:32,537 INFO L374 stractBuchiCegarLoop]: Abstraction has 286 states and 504 transitions. [2022-07-23 15:38:32,537 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:38:32,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 286 states and 504 transitions. [2022-07-23 15:38:32,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2022-07-23 15:38:32,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:32,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:32,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:38:32,547 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, 1, 1, 1] [2022-07-23 15:38:32,548 INFO L752 eck$LassoCheckResult]: Stem: 889#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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 859#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 846#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 753#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 820#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 635#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 886#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 691#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 806#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 723#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 835#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 732#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 733#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 670#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 705#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 696#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 697#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 805#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 736#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 714#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 801#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 642#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 743#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 676#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 858#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 655#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 656#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 679#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 785#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 614#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 615#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 685#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 621#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 622#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 857#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 606#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 862#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 780#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 781#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 745#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 827#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 620#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 652#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 698#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 819#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 673#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 626#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 627#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 779#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 648#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 829#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 639#L897-1 init_#res#1 := init_~tmp___23~0#1; 807#L1018 main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#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; 790#L21 assume !(0 == assume_abort_if_not_~cond#1); 791#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 844#L1155-2 [2022-07-23 15:38:32,548 INFO L754 eck$LassoCheckResult]: Loop: 844#L1155-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 815#L109 assume !(0 != ~mode1~0 % 256); 700#L141 assume !(~r1~0 < 3); 702#L141-1 ~mode1~0 := 1; 831#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 832#L162 assume !(0 != ~mode2~0 % 256); 855#L194 assume !(~r2~0 < 3); 609#L194-1 ~mode2~0 := 1; 610#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 722#L215 assume !(0 != ~mode3~0 % 256); 802#L247 assume !(~r3~0 < 3); 664#L247-1 ~mode3~0 := 1; 853#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 848#L268 assume !(0 != ~mode4~0 % 256); 849#L300 assume !(~r4~0 < 3); 703#L300-1 ~mode4~0 := 1; 704#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 875#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 653#L1027 assume ~st1~0 + ~nl1~0 <= 1; 654#L1028 assume ~st2~0 + ~nl2~0 <= 1; 834#L1029 assume ~st3~0 + ~nl3~0 <= 1; 877#L1030 assume ~st4~0 + ~nl4~0 <= 1; 769#L1031 assume ~r1~0 >= 3; 681#L1035 assume ~r1~0 < 3; 682#L1040 assume ~r1~0 >= 3; 687#L1045 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 645#L1026-1 check_#res#1 := check_~tmp~1#1; 646#L1078 main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#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; 712#L1198 assume !(0 == assert_~arg#1 % 256); 851#L1193 assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 844#L1155-2 [2022-07-23 15:38:32,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 2 times [2022-07-23 15:38:32,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208434513] [2022-07-23 15:38:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:32,632 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 15:38:32,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:32,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208434513] [2022-07-23 15:38:32,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208434513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:32,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:32,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:32,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354679565] [2022-07-23 15:38:32,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:32,634 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:32,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,635 INFO L85 PathProgramCache]: Analyzing trace with hash 970511552, now seen corresponding path program 1 times [2022-07-23 15:38:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122229582] [2022-07-23 15:38:32,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:32,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:32,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122229582] [2022-07-23 15:38:32,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122229582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:32,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:32,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:38:32,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074625417] [2022-07-23 15:38:32,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:32,657 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:38:32,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:32,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:38:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:38:32,658 INFO L87 Difference]: Start difference. First operand 286 states and 504 transitions. cyclomatic complexity: 219 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 15:38:32,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:32,705 INFO L93 Difference]: Finished difference Result 371 states and 638 transitions. [2022-07-23 15:38:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:38:32,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 638 transitions. [2022-07-23 15:38:32,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2022-07-23 15:38:32,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 371 states and 638 transitions. [2022-07-23 15:38:32,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 371 [2022-07-23 15:38:32,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 371 [2022-07-23 15:38:32,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 371 states and 638 transitions. [2022-07-23 15:38:32,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:32,720 INFO L369 hiAutomatonCegarLoop]: Abstraction has 371 states and 638 transitions. [2022-07-23 15:38:32,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states and 638 transitions. [2022-07-23 15:38:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2022-07-23 15:38:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 371 states have (on average 1.719676549865229) internal successors, (638), 370 states have internal predecessors, (638), 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 15:38:32,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 638 transitions. [2022-07-23 15:38:32,734 INFO L392 hiAutomatonCegarLoop]: Abstraction has 371 states and 638 transitions. [2022-07-23 15:38:32,734 INFO L374 stractBuchiCegarLoop]: Abstraction has 371 states and 638 transitions. [2022-07-23 15:38:32,734 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:38:32,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 371 states and 638 transitions. [2022-07-23 15:38:32,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2022-07-23 15:38:32,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:32,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:32,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:38:32,742 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:38:32,742 INFO L752 eck$LassoCheckResult]: Stem: 1560#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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1511#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1418#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1485#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1304#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1556#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1356#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1472#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1389#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1500#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1399#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1400#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1336#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1369#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1361#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1362#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1470#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1401#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1378#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1466#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1308#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1408#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1342#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1523#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1321#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1322#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1345#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1451#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1280#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1281#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1350#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1289#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1290#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1522#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1272#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1527#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1444#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1445#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1410#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1492#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1286#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1318#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1363#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1484#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1339#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1292#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1293#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1443#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1314#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1494#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1302#L897-1 init_#res#1 := init_~tmp___23~0#1; 1471#L1018 main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#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; 1454#L21 assume !(0 == assume_abort_if_not_~cond#1); 1455#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1509#L1155-2 [2022-07-23 15:38:32,743 INFO L754 eck$LassoCheckResult]: Loop: 1509#L1155-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 1636#L109 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 1474#L111 assume !(0 != ~ep21~0 % 256); 1380#L111-1 assume !(0 != ~ep31~0 % 256); 1328#L118 assume !(0 != ~ep41~0 % 256); 1531#L125 assume !(3 == ~r1~0); 1552#L132 ~mode1~0 := 0; 1614#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 1612#L162 assume !(0 != ~mode2~0 % 256); 1613#L194 assume !(~r2~0 < 3); 1601#L194-1 ~mode2~0 := 1; 1600#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 1596#L215 assume !(0 != ~mode3~0 % 256); 1592#L247 assume !(~r3~0 < 3); 1585#L247-1 ~mode3~0 := 1; 1584#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 1582#L268 assume !(0 != ~mode4~0 % 256); 1572#L300 assume !(~r4~0 < 3); 1568#L300-1 ~mode4~0 := 1; 1567#L268-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1566#L1026 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1565#L1027 assume ~st1~0 + ~nl1~0 <= 1; 1564#L1028 assume ~st2~0 + ~nl2~0 <= 1; 1563#L1029 assume ~st3~0 + ~nl3~0 <= 1; 1562#L1030 assume ~st4~0 + ~nl4~0 <= 1; 1561#L1031 assume !(~r1~0 >= 3); 1535#L1034 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1536#L1035 assume ~r1~0 < 3; 1634#L1040 assume !(~r1~0 >= 3); 1541#L1044 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1542#L1045 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1640#L1026-1 check_#res#1 := check_~tmp~1#1; 1639#L1078 main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#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; 1638#L1198 assume !(0 == assert_~arg#1 % 256); 1637#L1193 assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 1509#L1155-2 [2022-07-23 15:38:32,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1972521662, now seen corresponding path program 3 times [2022-07-23 15:38:32,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625880633] [2022-07-23 15:38:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:32,851 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 15:38:32,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:32,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625880633] [2022-07-23 15:38:32,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625880633] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:32,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:32,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:32,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660228532] [2022-07-23 15:38:32,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:32,853 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:32,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:32,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1089822456, now seen corresponding path program 1 times [2022-07-23 15:38:32,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:32,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51044977] [2022-07-23 15:38:32,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:32,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:38:32,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:38:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:38:32,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:38:33,800 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:38:33,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:38:33,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:38:33,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:38:33,801 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:38:33,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:33,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:38:33,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:38:33,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-07-23 15:38:33,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:38:33,802 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:38:33,817 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 15:38:33,823 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 15:38:33,824 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 15:38:33,826 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 15:38:33,827 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 15:38:33,829 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 15:38:33,830 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 15:38:33,832 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 15:38:33,835 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 15:38:33,837 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 15:38:33,839 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 15:38:33,840 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 15:38:33,842 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 15:38:33,847 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 15:38:33,849 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 15:38:33,852 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 15:38:33,853 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 15:38:33,858 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 15:38:33,862 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 15:38:33,870 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 15:38:33,881 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 15:38:33,882 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 15:38:33,884 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 15:38:33,889 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 15:38:33,929 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 15:38:33,931 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 15:38:33,933 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 15:38:33,937 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 15:38:33,940 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 15:38:33,942 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 15:38:34,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:38:34,480 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:38:34,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:34,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:34,483 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 15:38:34,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:38:34,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:38:34,503 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 15:38:34,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:34,540 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 15:38:34,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:38:34,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:38:34,568 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 15:38:34,669 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:38:34,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 15:38:34,673 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:38:34,673 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:38:34,673 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:38:34,673 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:38:34,673 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:38:34,673 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:34,673 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:38:34,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:38:34,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-07-23 15:38:34,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:38:34,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:38:34,690 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 15:38:34,694 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 15:38:34,695 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 15:38:34,697 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 15:38:34,699 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 15:38:34,700 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 15:38:34,702 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 15:38:34,703 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 15:38:34,707 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 15:38:34,709 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 15:38:34,710 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 15:38:34,749 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 15:38:34,751 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 15:38:34,756 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 15:38:34,758 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 15:38:34,761 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 15:38:34,762 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 15:38:34,764 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 15:38:34,766 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 15:38:34,769 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 15:38:34,777 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 15:38:34,786 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 15:38:34,788 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 15:38:34,789 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 15:38:34,793 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 15:38:34,795 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 15:38:34,799 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 15:38:34,802 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 15:38:34,803 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 15:38:34,805 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 15:38:35,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:38:35,311 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:38:35,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,313 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 15:38:35,314 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 15:38:35,316 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 15:38:35,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-23 15:38:35,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,352 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 15:38:35,353 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 15:38:35,354 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 15:38:35,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,395 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 15:38:35,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,396 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 15:38:35,400 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 15:38:35,401 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 15:38:35,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-23 15:38:35,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,425 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 15:38:35,428 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 15:38:35,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,439 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 15:38:35,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-07-23 15:38:35,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,483 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 15:38:35,484 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 15:38:35,485 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 15:38:35,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,522 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 15:38:35,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,523 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 15:38:35,524 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 15:38:35,525 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 15:38:35,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,557 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 15:38:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,559 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 15:38:35,560 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 15:38:35,561 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 15:38:35,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,585 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 15:38:35,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,586 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 15:38:35,587 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 15:38:35,588 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 15:38:35,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:35,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,630 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 15:38:35,631 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 15:38:35,632 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 15:38:35,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,664 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 15:38:35,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,666 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 15:38:35,674 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 15:38:35,675 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 15:38:35,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,702 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 15:38:35,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,703 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 15:38:35,704 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 15:38:35,705 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 15:38:35,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:35,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,766 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 15:38:35,772 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 15:38:35,772 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 15:38:35,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-07-23 15:38:35,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,796 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 15:38:35,799 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 15:38:35,801 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 15:38:35,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,834 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 15:38:35,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,836 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 15:38:35,837 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 15:38:35,837 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 15:38:35,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-23 15:38:35,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,861 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 15:38:35,862 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 15:38:35,863 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 15:38:35,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,901 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 15:38:35,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,902 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 15:38:35,903 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 15:38:35,904 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 15:38:35,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-07-23 15:38:35,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,932 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 15:38:35,937 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 15:38:35,937 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 15:38:35,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,960 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 15:38:35,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,961 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:38:35,963 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 15:38:35,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 15:38:35,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:35,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:35,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:35,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:35,988 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:38:35,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 15:38:35,990 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 15:38:35,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:35,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:35,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:35,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:35,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:35,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:35,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:35,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:38:36,027 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:38:36,027 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:38:36,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:36,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:36,030 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:38:36,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 15:38:36,044 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:38:36,044 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:38:36,044 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:38:36,045 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2022-07-23 15:38:36,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:36,064 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:38:36,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:36,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:38:36,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:38:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:36,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:38:36,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:38:36,327 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 15:38:36,330 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 15:38:36,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 371 states and 638 transitions. cyclomatic complexity: 268 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 15:38:36,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 371 states and 638 transitions. cyclomatic complexity: 268. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 561 states and 946 transitions. Complement of second has 4 states. [2022-07-23 15:38:36,373 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 15:38:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 15:38:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-07-23 15:38:36,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 35 letters. [2022-07-23 15:38:36,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:36,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 90 letters. Loop has 35 letters. [2022-07-23 15:38:36,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:36,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 70 letters. [2022-07-23 15:38:36,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:36,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 561 states and 946 transitions. [2022-07-23 15:38:36,382 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:36,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 561 states to 0 states and 0 transitions. [2022-07-23 15:38:36,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:38:36,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:38:36,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:38:36,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:36,383 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:36,383 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:36,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:36,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:38:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:38:36,383 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 15:38:36,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:36,384 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-23 15:38:36,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:38:36,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-23 15:38:36,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:36,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 15:38:36,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:38:36,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:38:36,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:38:36,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:36,385 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:36,385 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:36,385 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:36,385 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:38:36,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:38:36,385 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:36,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:38:36,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:38:36 BoogieIcfgContainer [2022-07-23 15:38:36,390 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:38:36,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:38:36,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:38:36,390 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:38:36,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:31" (3/4) ... [2022-07-23 15:38:36,392 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:38:36,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:38:36,393 INFO L158 Benchmark]: Toolchain (without parser) took 5906.24ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 86.3MB in the beginning and 69.9MB in the end (delta: 16.4MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,393 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:38:36,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.70ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 83.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.84ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 79.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,394 INFO L158 Benchmark]: Boogie Preprocessor took 38.50ms. Allocated memory is still 119.5MB. Free memory was 78.9MB in the beginning and 75.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,394 INFO L158 Benchmark]: RCFGBuilder took 885.97ms. Allocated memory is still 119.5MB. Free memory was 75.3MB in the beginning and 60.7MB in the end (delta: 14.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,395 INFO L158 Benchmark]: BuchiAutomizer took 4494.91ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 60.7MB in the beginning and 70.9MB in the end (delta: -10.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-07-23 15:38:36,395 INFO L158 Benchmark]: Witness Printer took 2.31ms. Allocated memory is still 169.9MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:38:36,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 79.7MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.70ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 83.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.84ms. Allocated memory is still 119.5MB. Free memory was 83.6MB in the beginning and 79.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.50ms. Allocated memory is still 119.5MB. Free memory was 78.9MB in the beginning and 75.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 885.97ms. Allocated memory is still 119.5MB. Free memory was 75.3MB in the beginning and 60.7MB in the end (delta: 14.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4494.91ms. Allocated memory was 119.5MB in the beginning and 169.9MB in the end (delta: 50.3MB). Free memory was 60.7MB in the beginning and 70.9MB in the end (delta: -10.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 2.31ms. Allocated memory is still 169.9MB. Free memory was 70.9MB in the beginning and 69.9MB in the end (delta: 1.0MB). 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 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 797 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 796 mSDsluCounter, 3709 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2189 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1520 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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 15:38:36,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:36,635 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