./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.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 c04426d74483d0d0e434f9bca5b44597463ac642 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 17:07:32,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 17:07:32,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 17:07:32,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 17:07:32,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 17:07:32,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 17:07:32,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 17:07:32,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 17:07:32,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 17:07:32,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 17:07:32,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 17:07:32,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 17:07:32,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 17:07:32,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 17:07:32,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 17:07:32,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 17:07:32,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 17:07:32,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 17:07:32,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 17:07:32,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 17:07:32,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 17:07:32,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 17:07:32,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 17:07:32,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 17:07:32,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 17:07:32,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 17:07:32,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 17:07:32,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 17:07:32,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 17:07:32,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 17:07:32,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 17:07:32,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 17:07:32,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 17:07:32,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 17:07:32,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 17:07:32,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 17:07:32,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 17:07:32,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 17:07:32,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 17:07:32,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 17:07:32,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 17:07:32,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 17:07:32,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 17:07:32,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 17:07:32,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 17:07:32,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 17:07:32,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 17:07:32,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 17:07:32,755 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 17:07:32,755 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 17:07:32,755 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 17:07:32,755 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 17:07:32,756 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 17:07:32,756 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 17:07:32,764 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 17:07:32,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 17:07:32,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 17:07:32,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 17:07:32,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 17:07:32,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 17:07:32,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 17:07:32,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 17:07:32,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 17:07:32,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 17:07:32,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 17:07:32,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 17:07:32,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 17:07:32,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 17:07:32,768 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 17:07:32,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c04426d74483d0d0e434f9bca5b44597463ac642 [2021-08-27 17:07:33,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 17:07:33,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 17:07:33,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 17:07:33,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 17:07:33,034 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 17:07:33,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2021-08-27 17:07:33,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5971c803/3778e04a5045492b955a5ca7051f786b/FLAG79e221442 [2021-08-27 17:07:33,434 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 17:07:33,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2021-08-27 17:07:33,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5971c803/3778e04a5045492b955a5ca7051f786b/FLAG79e221442 [2021-08-27 17:07:33,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5971c803/3778e04a5045492b955a5ca7051f786b [2021-08-27 17:07:33,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 17:07:33,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 17:07:33,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 17:07:33,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 17:07:33,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 17:07:33,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:07:33" (1/1) ... [2021-08-27 17:07:33,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d95c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:33, skipping insertion in model container [2021-08-27 17:07:33,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:07:33" (1/1) ... [2021-08-27 17:07:33,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 17:07:33,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 17:07:33,993 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15229,15242] [2021-08-27 17:07:33,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:07:34,000 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 17:07:34,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15229,15242] [2021-08-27 17:07:34,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:07:34,098 INFO L208 MainTranslator]: Completed translation [2021-08-27 17:07:34,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34 WrapperNode [2021-08-27 17:07:34,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 17:07:34,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 17:07:34,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 17:07:34,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 17:07:34,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 17:07:34,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 17:07:34,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 17:07:34,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 17:07:34,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 17:07:34,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 17:07:34,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 17:07:34,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 17:07:34,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (1/1) ... [2021-08-27 17:07:34,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:34,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:34,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 17:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 17:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 17:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 17:07:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 17:07:34,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 17:07:34,835 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-08-27 17:07:34,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:07:34 BoogieIcfgContainer [2021-08-27 17:07:34,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 17:07:34,837 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 17:07:34,837 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 17:07:34,839 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 17:07:34,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:07:34,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 05:07:33" (1/3) ... [2021-08-27 17:07:34,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6caa5350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:07:34, skipping insertion in model container [2021-08-27 17:07:34,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:07:34,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:07:34" (2/3) ... [2021-08-27 17:07:34,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6caa5350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:07:34, skipping insertion in model container [2021-08-27 17:07:34,841 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:07:34,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:07:34" (3/3) ... [2021-08-27 17:07:34,842 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2021-08-27 17:07:34,868 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 17:07:34,868 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 17:07:34,868 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 17:07:34,868 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 17:07:34,869 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 17:07:34,869 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 17:07:34,869 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 17:07:34,869 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 17:07:34,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:34,917 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-27 17:07:34,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:07:34,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:07:34,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:34,923 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:34,923 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 17:07:34,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:34,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-27 17:07:34,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:07:34,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:07:34,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:34,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:34,936 INFO L791 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 32#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_#t~post40, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 110#L232true assume !(0 == ~r1~0);init_~tmp~0 := 0; 80#L232-1true init_#res := init_~tmp~0; 15#L393true main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 33#L22true assume !(0 == assume_abort_if_not_~cond); 76#L21true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 5#L471-2true [2021-08-27 17:07:34,937 INFO L793 eck$LassoCheckResult]: Loop: 5#L471-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 18#L78true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 72#L82true assume !(node1_~m1~0 != ~nomsg~0); 12#L82-1true ~mode1~0 := 0; 35#L78-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 92#L106true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 87#L109true assume !(node2_~m2~0 != ~nomsg~0); 96#L109-1true ~mode2~0 := 0; 40#L106-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 34#L131true assume !(0 != ~mode3~0 % 256); 7#L144true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 60#L144-2true ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 74#L131-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 103#L156true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 61#L159true assume !(node4_~m4~0 != ~nomsg~0); 83#L159-1true ~mode4~0 := 0; 30#L156-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 73#L181true assume !(0 != ~mode5~0 % 256); 75#L194true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 102#L194-2true ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 38#L181-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 29#L206true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 85#L209true assume !(node6_~m6~0 != ~nomsg~0); 108#L209-1true ~mode6~0 := 0; 57#L206-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 9#L401true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 86#L401-1true check_#res := check_~tmp~1; 26#L421true main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 62#L504true assume !(0 == assert_~arg % 256); 37#L499true main_#t~post40 := main_~i2~0;main_~i2~0 := 1 + main_#t~post40;havoc main_#t~post40; 5#L471-2true [2021-08-27 17:07:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2030119858, now seen corresponding path program 1 times [2021-08-27 17:07:34,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:34,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323117397] [2021-08-27 17:07:34,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:34,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:35,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:07:35,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323117397] [2021-08-27 17:07:35,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323117397] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:07:35,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:07:35,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:07:35,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23707058] [2021-08-27 17:07:35,111 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 17:07:35,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1889928533, now seen corresponding path program 1 times [2021-08-27 17:07:35,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208665023] [2021-08-27 17:07:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:35,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:07:35,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208665023] [2021-08-27 17:07:35,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208665023] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:07:35,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:07:35,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:07:35,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050497021] [2021-08-27 17:07:35,227 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:07:35,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:07:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 17:07:35,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 17:07:35,237 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:35,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:07:35,354 INFO L93 Difference]: Finished difference Result 112 states and 186 transitions. [2021-08-27 17:07:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 17:07:35,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 186 transitions. [2021-08-27 17:07:35,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-08-27 17:07:35,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 104 states and 139 transitions. [2021-08-27 17:07:35,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-08-27 17:07:35,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-08-27 17:07:35,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 139 transitions. [2021-08-27 17:07:35,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:07:35,364 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-08-27 17:07:35,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 139 transitions. [2021-08-27 17:07:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-08-27 17:07:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 103 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2021-08-27 17:07:35,384 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-08-27 17:07:35,384 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-08-27 17:07:35,384 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 17:07:35,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 139 transitions. [2021-08-27 17:07:35,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-08-27 17:07:35,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:07:35,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:07:35,387 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,387 INFO L791 eck$LassoCheckResult]: Stem: 341#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 289#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_#t~post40, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 290#L232 assume 0 == ~r1~0; 317#L233 assume ~id1~0 >= 0; 318#L234 assume 0 == ~st1~0; 325#L235 assume ~send1~0 == ~id1~0; 311#L236 assume 0 == ~mode1~0 % 256; 312#L237 assume ~id2~0 >= 0; 273#L238 assume 0 == ~st2~0; 274#L239 assume ~send2~0 == ~id2~0; 271#L240 assume 0 == ~mode2~0 % 256; 272#L241 assume ~id3~0 >= 0; 276#L242 assume 0 == ~st3~0; 328#L243 assume ~send3~0 == ~id3~0; 247#L244 assume 0 == ~mode3~0 % 256; 248#L245 assume ~id4~0 >= 0; 275#L246 assume 0 == ~st4~0; 316#L247 assume ~send4~0 == ~id4~0; 338#L248 assume 0 == ~mode4~0 % 256; 243#L249 assume ~id5~0 >= 0; 244#L250 assume 0 == ~st5~0; 330#L251 assume ~send5~0 == ~id5~0; 301#L252 assume 0 == ~mode5~0 % 256; 302#L253 assume ~id6~0 >= 0; 306#L254 assume 0 == ~st6~0; 262#L255 assume ~send6~0 == ~id6~0; 263#L256 assume 0 == ~mode6~0 % 256; 303#L257 assume ~id1~0 != ~id2~0; 279#L258 assume ~id1~0 != ~id3~0; 280#L259 assume ~id1~0 != ~id4~0; 319#L260 assume ~id1~0 != ~id5~0; 320#L261 assume ~id1~0 != ~id6~0; 307#L262 assume ~id2~0 != ~id3~0; 308#L263 assume ~id2~0 != ~id4~0; 313#L264 assume ~id2~0 != ~id5~0; 314#L265 assume ~id2~0 != ~id6~0; 258#L266 assume ~id3~0 != ~id4~0; 259#L267 assume ~id3~0 != ~id5~0; 266#L268 assume ~id3~0 != ~id6~0; 267#L269 assume ~id4~0 != ~id5~0; 252#L270 assume ~id4~0 != ~id6~0; 253#L271 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 281#L232-1 init_#res := init_~tmp~0; 264#L393 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 265#L22 assume !(0 == assume_abort_if_not_~cond); 291#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 241#L471-2 [2021-08-27 17:07:35,388 INFO L793 eck$LassoCheckResult]: Loop: 241#L471-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 242#L78 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 268#L82 assume !(node1_~m1~0 != ~nomsg~0); 240#L82-1 ~mode1~0 := 0; 257#L78-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 294#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 339#L109 assume !(node2_~m2~0 != ~nomsg~0); 323#L109-1 ~mode2~0 := 0; 296#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 292#L131 assume !(0 != ~mode3~0 % 256); 245#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 246#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 300#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 334#L156 assume !(0 != ~mode4~0 % 256); 309#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 310#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 285#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 286#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 331#L184 assume !(node5_~m5~0 != ~nomsg~0); 261#L184-1 ~mode5~0 := 0; 298#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 282#L206 assume !(0 != ~mode6~0 % 256); 283#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 342#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 324#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 249#L401 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 250#L401-1 check_#res := check_~tmp~1; 277#L421 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 278#L504 assume !(0 == assert_~arg % 256); 297#L499 main_#t~post40 := main_~i2~0;main_~i2~0 := 1 + main_#t~post40;havoc main_#t~post40; 241#L471-2 [2021-08-27 17:07:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 1 times [2021-08-27 17:07:35,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188700961] [2021-08-27 17:07:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,415 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:07:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,460 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:07:35,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1690946337, now seen corresponding path program 1 times [2021-08-27 17:07:35,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633956113] [2021-08-27 17:07:35,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:35,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:07:35,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633956113] [2021-08-27 17:07:35,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633956113] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:07:35,543 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:07:35,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:07:35,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847321278] [2021-08-27 17:07:35,543 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:07:35,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:07:35,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 17:07:35,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 17:07:35,545 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. cyclomatic complexity: 36 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 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) [2021-08-27 17:07:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:07:35,586 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2021-08-27 17:07:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 17:07:35,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 141 transitions. [2021-08-27 17:07:35,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-08-27 17:07:35,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 104 states and 136 transitions. [2021-08-27 17:07:35,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-08-27 17:07:35,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-08-27 17:07:35,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 136 transitions. [2021-08-27 17:07:35,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:07:35,590 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-08-27 17:07:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 136 transitions. [2021-08-27 17:07:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-08-27 17:07:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 103 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-08-27 17:07:35,594 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-08-27 17:07:35,594 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-08-27 17:07:35,594 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 17:07:35,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 136 transitions. [2021-08-27 17:07:35,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-08-27 17:07:35,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:07:35,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:07:35,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,599 INFO L791 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 512#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_#t~post40, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 513#L232 assume 0 == ~r1~0; 540#L233 assume ~id1~0 >= 0; 541#L234 assume 0 == ~st1~0; 548#L235 assume ~send1~0 == ~id1~0; 534#L236 assume 0 == ~mode1~0 % 256; 535#L237 assume ~id2~0 >= 0; 495#L238 assume 0 == ~st2~0; 496#L239 assume ~send2~0 == ~id2~0; 493#L240 assume 0 == ~mode2~0 % 256; 494#L241 assume ~id3~0 >= 0; 498#L242 assume 0 == ~st3~0; 551#L243 assume ~send3~0 == ~id3~0; 470#L244 assume 0 == ~mode3~0 % 256; 471#L245 assume ~id4~0 >= 0; 497#L246 assume 0 == ~st4~0; 539#L247 assume ~send4~0 == ~id4~0; 561#L248 assume 0 == ~mode4~0 % 256; 466#L249 assume ~id5~0 >= 0; 467#L250 assume 0 == ~st5~0; 553#L251 assume ~send5~0 == ~id5~0; 524#L252 assume 0 == ~mode5~0 % 256; 525#L253 assume ~id6~0 >= 0; 529#L254 assume 0 == ~st6~0; 484#L255 assume ~send6~0 == ~id6~0; 485#L256 assume 0 == ~mode6~0 % 256; 526#L257 assume ~id1~0 != ~id2~0; 501#L258 assume ~id1~0 != ~id3~0; 502#L259 assume ~id1~0 != ~id4~0; 542#L260 assume ~id1~0 != ~id5~0; 543#L261 assume ~id1~0 != ~id6~0; 530#L262 assume ~id2~0 != ~id3~0; 531#L263 assume ~id2~0 != ~id4~0; 536#L264 assume ~id2~0 != ~id5~0; 537#L265 assume ~id2~0 != ~id6~0; 480#L266 assume ~id3~0 != ~id4~0; 481#L267 assume ~id3~0 != ~id5~0; 488#L268 assume ~id3~0 != ~id6~0; 489#L269 assume ~id4~0 != ~id5~0; 474#L270 assume ~id4~0 != ~id6~0; 475#L271 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 503#L232-1 init_#res := init_~tmp~0; 486#L393 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 487#L22 assume !(0 == assume_abort_if_not_~cond); 514#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 464#L471-2 [2021-08-27 17:07:35,600 INFO L793 eck$LassoCheckResult]: Loop: 464#L471-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 465#L78 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 490#L82 assume !(node1_~m1~0 != ~nomsg~0); 463#L82-1 ~mode1~0 := 0; 479#L78-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 517#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 562#L109 assume !(node2_~m2~0 != ~nomsg~0); 546#L109-1 ~mode2~0 := 0; 519#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 515#L131 assume !(0 != ~mode3~0 % 256); 468#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 469#L144-2 ~p3_new~0 := (if node3_#t~ite9 % 256 <= 127 then node3_#t~ite9 % 256 else node3_#t~ite9 % 256 - 256);havoc node3_#t~ite9;~mode3~0 := 1; 523#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 557#L156 assume !(0 != ~mode4~0 % 256); 532#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 533#L169-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 507#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 508#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 554#L184 assume !(node5_~m5~0 != ~nomsg~0); 483#L184-1 ~mode5~0 := 0; 521#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 504#L206 assume !(0 != ~mode6~0 % 256); 505#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite12 := ~send6~0; 565#L219-2 ~p6_new~0 := (if node6_#t~ite12 % 256 <= 127 then node6_#t~ite12 % 256 else node6_#t~ite12 % 256 - 256);havoc node6_#t~ite12;~mode6~0 := 1; 547#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 472#L401 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 473#L402 assume ~r1~0 >= 6; 509#L406 assume ~r1~0 < 6;check_~tmp~1 := 1; 510#L401-1 check_#res := check_~tmp~1; 499#L421 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 500#L504 assume !(0 == assert_~arg % 256); 520#L499 main_#t~post40 := main_~i2~0;main_~i2~0 := 1 + main_#t~post40;havoc main_#t~post40; 464#L471-2 [2021-08-27 17:07:35,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 2 times [2021-08-27 17:07:35,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162825689] [2021-08-27 17:07:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,637 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:07:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:07:35,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,662 INFO L82 PathProgramCache]: Analyzing trace with hash 85976113, now seen corresponding path program 1 times [2021-08-27 17:07:35,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226063689] [2021-08-27 17:07:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:35,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:07:35,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226063689] [2021-08-27 17:07:35,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226063689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:07:35,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:07:35,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 17:07:35,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358205906] [2021-08-27 17:07:35,687 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:07:35,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:07:35,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 17:07:35,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 17:07:35,688 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:35,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:07:35,708 INFO L93 Difference]: Finished difference Result 156 states and 215 transitions. [2021-08-27 17:07:35,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 17:07:35,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 215 transitions. [2021-08-27 17:07:35,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-08-27 17:07:35,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 215 transitions. [2021-08-27 17:07:35,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-08-27 17:07:35,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2021-08-27 17:07:35,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 215 transitions. [2021-08-27 17:07:35,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:07:35,712 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-08-27 17:07:35,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 215 transitions. [2021-08-27 17:07:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-08-27 17:07:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.3782051282051282) internal successors, (215), 155 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 215 transitions. [2021-08-27 17:07:35,717 INFO L704 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-08-27 17:07:35,717 INFO L587 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-08-27 17:07:35,717 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 17:07:35,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 215 transitions. [2021-08-27 17:07:35,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-08-27 17:07:35,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:07:35,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:07:35,719 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,719 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:07:35,719 INFO L791 eck$LassoCheckResult]: Stem: 833#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 777#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~ret38, main_#t~ret39, main_#t~post40, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet13;havoc main_#t~nondet13;~id1~0 := main_#t~nondet14;havoc main_#t~nondet14;~st1~0 := main_#t~nondet15;havoc main_#t~nondet15;~send1~0 := main_#t~nondet16;havoc main_#t~nondet16;~mode1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id2~0 := main_#t~nondet18;havoc main_#t~nondet18;~st2~0 := main_#t~nondet19;havoc main_#t~nondet19;~send2~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode2~0 := main_#t~nondet21;havoc main_#t~nondet21;~id3~0 := main_#t~nondet22;havoc main_#t~nondet22;~st3~0 := main_#t~nondet23;havoc main_#t~nondet23;~send3~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode3~0 := main_#t~nondet25;havoc main_#t~nondet25;~id4~0 := main_#t~nondet26;havoc main_#t~nondet26;~st4~0 := main_#t~nondet27;havoc main_#t~nondet27;~send4~0 := main_#t~nondet28;havoc main_#t~nondet28;~mode4~0 := main_#t~nondet29;havoc main_#t~nondet29;~id5~0 := main_#t~nondet30;havoc main_#t~nondet30;~st5~0 := main_#t~nondet31;havoc main_#t~nondet31;~send5~0 := main_#t~nondet32;havoc main_#t~nondet32;~mode5~0 := main_#t~nondet33;havoc main_#t~nondet33;~id6~0 := main_#t~nondet34;havoc main_#t~nondet34;~st6~0 := main_#t~nondet35;havoc main_#t~nondet35;~send6~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode6~0 := main_#t~nondet37;havoc main_#t~nondet37;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 778#L232 assume 0 == ~r1~0; 806#L233 assume ~id1~0 >= 0; 807#L234 assume 0 == ~st1~0; 814#L235 assume ~send1~0 == ~id1~0; 800#L236 assume 0 == ~mode1~0 % 256; 801#L237 assume ~id2~0 >= 0; 761#L238 assume 0 == ~st2~0; 762#L239 assume ~send2~0 == ~id2~0; 759#L240 assume 0 == ~mode2~0 % 256; 760#L241 assume ~id3~0 >= 0; 764#L242 assume 0 == ~st3~0; 817#L243 assume ~send3~0 == ~id3~0; 736#L244 assume 0 == ~mode3~0 % 256; 737#L245 assume ~id4~0 >= 0; 763#L246 assume 0 == ~st4~0; 805#L247 assume ~send4~0 == ~id4~0; 830#L248 assume 0 == ~mode4~0 % 256; 732#L249 assume ~id5~0 >= 0; 733#L250 assume 0 == ~st5~0; 820#L251 assume ~send5~0 == ~id5~0; 790#L252 assume 0 == ~mode5~0 % 256; 791#L253 assume ~id6~0 >= 0; 795#L254 assume 0 == ~st6~0; 750#L255 assume ~send6~0 == ~id6~0; 751#L256 assume 0 == ~mode6~0 % 256; 792#L257 assume ~id1~0 != ~id2~0; 767#L258 assume ~id1~0 != ~id3~0; 768#L259 assume ~id1~0 != ~id4~0; 808#L260 assume ~id1~0 != ~id5~0; 809#L261 assume ~id1~0 != ~id6~0; 796#L262 assume ~id2~0 != ~id3~0; 797#L263 assume ~id2~0 != ~id4~0; 802#L264 assume ~id2~0 != ~id5~0; 803#L265 assume ~id2~0 != ~id6~0; 746#L266 assume ~id3~0 != ~id4~0; 747#L267 assume ~id3~0 != ~id5~0; 754#L268 assume ~id3~0 != ~id6~0; 755#L269 assume ~id4~0 != ~id5~0; 740#L270 assume ~id4~0 != ~id6~0; 741#L271 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 769#L232-1 init_#res := init_~tmp~0; 752#L393 main_#t~ret38 := init_#res;main_~i2~0 := main_#t~ret38;havoc main_#t~ret38;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 753#L22 assume !(0 == assume_abort_if_not_~cond); 779#L21 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 826#L471-2 [2021-08-27 17:07:35,719 INFO L793 eck$LassoCheckResult]: Loop: 826#L471-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 880#L78 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 756#L82 assume !(node1_~m1~0 != ~nomsg~0); 729#L82-1 ~mode1~0 := 0; 745#L78-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 877#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 874#L109 assume !(node2_~m2~0 != ~nomsg~0); 872#L109-1 ~mode2~0 := 0; 870#L106-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 869#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 867#L134 assume !(node3_~m3~0 != ~nomsg~0); 864#L134-1 ~mode3~0 := 0; 862#L131-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 860#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 859#L159 assume !(node4_~m4~0 != ~nomsg~0); 856#L159-1 ~mode4~0 := 0; 854#L156-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 852#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 851#L184 assume !(node5_~m5~0 != ~nomsg~0); 848#L184-1 ~mode5~0 := 0; 846#L181-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 845#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 843#L209 assume !(node6_~m6~0 != ~nomsg~0); 840#L209-1 ~mode6~0 := 0; 838#L206-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 837#L401 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 835#L402 assume !(~r1~0 >= 6); 818#L405 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 819#L406 assume ~r1~0 < 6;check_~tmp~1 := 1; 836#L401-1 check_#res := check_~tmp~1; 883#L421 main_#t~ret39 := check_#res;main_~c1~0 := main_#t~ret39;havoc main_#t~ret39;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 882#L504 assume !(0 == assert_~arg % 256); 881#L499 main_#t~post40 := main_~i2~0;main_~i2~0 := 1 + main_#t~post40;havoc main_#t~post40; 826#L471-2 [2021-08-27 17:07:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 3 times [2021-08-27 17:07:35,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371850505] [2021-08-27 17:07:35,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,748 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:07:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:07:35,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1431420231, now seen corresponding path program 1 times [2021-08-27 17:07:35,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995250703] [2021-08-27 17:07:35,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,801 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:07:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:07:35,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:07:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:35,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1272369111, now seen corresponding path program 1 times [2021-08-27 17:07:35,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:07:35,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780258568] [2021-08-27 17:07:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:07:35,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:07:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:35,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:07:35,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780258568] [2021-08-27 17:07:35,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780258568] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:07:35,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:07:35,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 17:07:35,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587398888] [2021-08-27 17:07:36,921 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:07:36,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:07:36,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:07:36,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:07:36,922 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 17:07:36,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:36,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:07:36,922 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:07:36,922 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6.1.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-08-27 17:07:36,923 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:07:36,923 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:07:36,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:36,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:37,774 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:07:37,775 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 17:07:37,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:37,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:37,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:37,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 17:07:37,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 17:07:37,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 17:07:37,870 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 [2021-08-27 17:07:37,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:37,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:37,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:37,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 17:07:37,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 17:07:37,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 17:07:38,124 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 17:07:38,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:38,130 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:07:38,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:07:38,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:07:38,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:07:38,130 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:07:38,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:38,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:07:38,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:07:38,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6.1.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2021-08-27 17:07:38,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:07:38,130 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:07:38,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:07:38,988 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:07:38,991 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:07:38,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:38,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 17:07:39,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,065 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 17:07:39,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 17:07:39,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,134 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 17:07:39,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,173 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 17:07:39,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,182 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 17:07:39,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,193 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 17:07:39,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,222 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 17:07:39,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,276 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 [2021-08-27 17:07:39,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,278 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 17:07:39,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,305 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 17:07:39,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,315 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,335 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 17:07:39,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-27 17:07:39,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,364 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 17:07:39,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,405 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 17:07:39,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,449 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 17:07:39,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,492 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 [2021-08-27 17:07:39,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,493 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 17:07:39,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,521 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 17:07:39,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:07:39,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:07:39,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,552 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 17:07:39,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,581 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 17:07:39,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:07:39,623 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 [2021-08-27 17:07:39,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,624 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:07:39,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:07:39,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:07:39,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:07:39,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:07:39,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:07:39,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:07:39,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:07:39,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:07:39,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 17:07:39,646 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:07:39,652 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 17:07:39,652 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 17:07:39,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:07:39,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:07:39,654 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) [2021-08-27 17:07:39,662 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 [2021-08-27 17:07:39,663 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:07:39,663 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 17:07:39,663 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:07:39,664 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2021-08-27 17:07:39,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 17:07:39,683 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 17:07:39,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:07:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:39,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 17:07:39,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:07:39,862 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 [2021-08-27 17:07:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:07:39,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:07:39,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:07:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:07:40,185 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 17:07:40,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 156 states and 215 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:40,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 156 states and 215 transitions. cyclomatic complexity: 60. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 265 states and 384 transitions. Complement of second has 4 states. [2021-08-27 17:07:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 17:07:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:40,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2021-08-27 17:07:40,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 136 transitions. Stem has 46 letters. Loop has 33 letters. [2021-08-27 17:07:40,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:07:40,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 136 transitions. Stem has 79 letters. Loop has 33 letters. [2021-08-27 17:07:40,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:07:40,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 136 transitions. Stem has 46 letters. Loop has 66 letters. [2021-08-27 17:07:40,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:07:40,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 265 states and 384 transitions. [2021-08-27 17:07:40,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:07:40,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 265 states to 0 states and 0 transitions. [2021-08-27 17:07:40,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:07:40,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:07:40,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:07:40,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:07:40,222 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:07:40,222 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:07:40,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:07:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 17:07:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 17:07:40,223 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:07:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:07:40,223 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 17:07:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 17:07:40,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 17:07:40,223 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:07:40,223 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 17:07:40,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:07:40,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:07:40,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:07:40,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:07:40,224 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:07:40,224 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:07:40,224 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:07:40,224 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 17:07:40,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 17:07:40,224 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:07:40,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 17:07:40,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 05:07:40 BoogieIcfgContainer [2021-08-27 17:07:40,228 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 17:07:40,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 17:07:40,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 17:07:40,228 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 17:07:40,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:07:34" (3/4) ... [2021-08-27 17:07:40,230 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 17:07:40,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 17:07:40,231 INFO L168 Benchmark]: Toolchain (without parser) took 6408.11 ms. Allocated memory was 69.2 MB in the beginning and 180.4 MB in the end (delta: 111.1 MB). Free memory was 50.6 MB in the beginning and 60.7 MB in the end (delta: -10.1 MB). Peak memory consumption was 100.6 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,232 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 50.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:07:40,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.78 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.96 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 46.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,232 INFO L168 Benchmark]: Boogie Preprocessor took 38.30 ms. Allocated memory is still 69.2 MB. Free memory was 46.6 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,233 INFO L168 Benchmark]: RCFGBuilder took 634.89 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 44.3 MB in the beginning and 77.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,233 INFO L168 Benchmark]: BuchiAutomizer took 5390.89 ms. Allocated memory was 102.8 MB in the beginning and 180.4 MB in the end (delta: 77.6 MB). Free memory was 77.3 MB in the beginning and 60.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:07:40,233 INFO L168 Benchmark]: Witness Printer took 2.29 ms. Allocated memory is still 180.4 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:07:40,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 50.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.78 ms. Allocated memory is still 69.2 MB. Free memory was 50.5 MB in the beginning and 49.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.96 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 46.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.30 ms. Allocated memory is still 69.2 MB. Free memory was 46.6 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 634.89 ms. Allocated memory was 69.2 MB in the beginning and 102.8 MB in the end (delta: 33.6 MB). Free memory was 44.3 MB in the beginning and 77.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5390.89 ms. Allocated memory was 102.8 MB in the beginning and 180.4 MB in the end (delta: 77.6 MB). Free memory was 77.3 MB in the beginning and 60.7 MB in the end (delta: 16.6 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. * Witness Printer took 2.29 ms. Allocated memory is still 180.4 MB. Free memory is still 60.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 23 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 19.2ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 156 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 660 SDtfs, 217 SDslu, 1122 SDs, 0 SdLazy, 36 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital188 mio100 ax138 hnf109 lsp26 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 17:07:40,258 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...