./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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.5.1.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc29d05053eb64e8eb421f8c563a406df3fa4961 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 04:49:19,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:49:19,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:49:19,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:49:19,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:49:19,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:49:19,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:49:19,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:49:19,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:49:19,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:49:19,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:49:19,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:49:19,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:49:19,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:49:19,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:49:19,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:49:19,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:49:19,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:49:19,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:49:19,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:49:19,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:49:19,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:49:19,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:49:19,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:49:19,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:49:19,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:49:19,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:49:19,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:49:19,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:49:19,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:49:19,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:49:19,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:49:19,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:49:19,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:49:19,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:49:19,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:49:19,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:49:19,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:49:19,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:49:19,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:49:19,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:49:19,810 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:49:19,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:49:19,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:49:19,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:49:19,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:49:19,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:49:19,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:49:19,841 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:49:19,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:49:19,842 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:49:19,842 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:49:19,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:49:19,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:49:19,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:49:19,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:49:19,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:49:19,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:49:19,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:49:19,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:49:19,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:49:19,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:49:19,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:49:19,846 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:49:19,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29d05053eb64e8eb421f8c563a406df3fa4961 [2021-08-31 04:49:20,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:49:20,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:49:20,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:49:20,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:49:20,117 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:49:20,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2021-08-31 04:49:20,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21ebcd8e/793f924b0324489fbd998be060b70bfc/FLAG5dcebe9b2 [2021-08-31 04:49:20,524 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:49:20,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2021-08-31 04:49:20,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21ebcd8e/793f924b0324489fbd998be060b70bfc/FLAG5dcebe9b2 [2021-08-31 04:49:20,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21ebcd8e/793f924b0324489fbd998be060b70bfc [2021-08-31 04:49:20,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:49:20,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:49:20,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:49:20,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:49:20,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:49:20,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:49:20" (1/1) ... [2021-08-31 04:49:20,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e41be1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:20, skipping insertion in model container [2021-08-31 04:49:20,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:49:20" (1/1) ... [2021-08-31 04:49:20,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:49:20,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:49:21,106 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.5.1.ufo.BOUNDED-10.pals.c[11373,11386] [2021-08-31 04:49:21,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:49:21,113 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:49:21,210 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.5.1.ufo.BOUNDED-10.pals.c[11373,11386] [2021-08-31 04:49:21,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:49:21,232 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:49:21,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21 WrapperNode [2021-08-31 04:49:21,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:49:21,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:49:21,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:49:21,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:49:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:49:21,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:49:21,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:49:21,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:49:21,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:49:21,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:49:21,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:49:21,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:49:21,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (1/1) ... [2021-08-31 04:49:21,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:49:21,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:49:21,370 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) [2021-08-31 04:49:21,392 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 [2021-08-31 04:49:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:49:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:49:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:49:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:49:21,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:49:21,631 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-08-31 04:49:21,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:49:21 BoogieIcfgContainer [2021-08-31 04:49:21,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:49:21,633 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:49:21,633 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:49:21,635 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:49:21,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:49:21,636 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:49:20" (1/3) ... [2021-08-31 04:49:21,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@771cd61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:49:21, skipping insertion in model container [2021-08-31 04:49:21,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:49:21,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:49:21" (2/3) ... [2021-08-31 04:49:21,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@771cd61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:49:21, skipping insertion in model container [2021-08-31 04:49:21,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:49:21,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:49:21" (3/3) ... [2021-08-31 04:49:21,642 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c [2021-08-31 04:49:21,683 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:49:21,684 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:49:21,684 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:49:21,684 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:49:21,684 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:49:21,684 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:49:21,684 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:49:21,684 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:49:21,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 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) [2021-08-31 04:49:21,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-08-31 04:49:21,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:49:21,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:49:21,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:49:21,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:49:21,727 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:49:21,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 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) [2021-08-31 04:49:21,737 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-08-31 04:49:21,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:49:21,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:49:21,738 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:49:21,738 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:49:21,743 INFO L791 eck$LassoCheckResult]: Stem: 65#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;~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]; 50#L-1true havoc main_#res;havoc main_#t~nondet12, 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~ret33, main_#t~ret34, main_#t~post35, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 45#L200true assume !(0 == ~r1~0);init_~tmp~0 := 0; 26#L200-1true init_#res := init_~tmp~0; 93#L325true main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;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; 56#L22true assume !(0 == assume_abort_if_not_~cond); 37#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;main_~i2~0 := 0; 19#L397-2true [2021-08-31 04:49:21,749 INFO L793 eck$LassoCheckResult]: Loop: 19#L397-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 6#L71true assume !(0 != ~mode1~0 % 256); 73#L87true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 4#L87-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 79#L71-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 54#L99true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 60#L102true assume !(node2_~m2~0 != ~nomsg~0); 28#L102-1true ~mode2~0 := 0; 59#L99-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 17#L124true assume !(0 != ~mode3~0 % 256); 83#L137true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 61#L137-2true ~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; 84#L124-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 31#L149true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 39#L152true assume !(node4_~m4~0 != ~nomsg~0); 13#L152-1true ~mode4~0 := 0; 64#L149-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 81#L174true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 69#L177true assume !(node5_~m5~0 != ~nomsg~0); 78#L177-1true ~mode5~0 := 0; 58#L174-2true ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 85#L333true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 55#L333-1true check_#res := check_~tmp~1; 35#L353true main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 30#L427true assume !(0 == assert_~arg % 256); 21#L422true main_#t~post35 := main_~i2~0;main_~i2~0 := 1 + main_#t~post35;havoc main_#t~post35; 19#L397-2true [2021-08-31 04:49:21,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:21,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1978587388, now seen corresponding path program 1 times [2021-08-31 04:49:21,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:21,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185882438] [2021-08-31 04:49:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:21,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:49:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:49:21,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:49:21,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185882438] [2021-08-31 04:49:21,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185882438] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:49:21,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:49:21,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:49:21,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769883890] [2021-08-31 04:49:21,991 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:49:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash -174174938, now seen corresponding path program 1 times [2021-08-31 04:49:21,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:21,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657500868] [2021-08-31 04:49:21,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:21,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:49:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:49:22,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:49:22,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657500868] [2021-08-31 04:49:22,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657500868] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:49:22,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:49:22,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:49:22,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425791455] [2021-08-31 04:49:22,148 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:49:22,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:49:22,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:49:22,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:49:22,191 INFO L87 Difference]: Start difference. First operand has 92 states, 91 states have (on average 1.7142857142857142) internal successors, (156), 91 states have internal predecessors, (156), 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) [2021-08-31 04:49:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:49:22,521 INFO L93 Difference]: Finished difference Result 95 states and 155 transitions. [2021-08-31 04:49:22,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 04:49:22,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 155 transitions. [2021-08-31 04:49:22,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-08-31 04:49:22,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 87 states and 117 transitions. [2021-08-31 04:49:22,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2021-08-31 04:49:22,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2021-08-31 04:49:22,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 117 transitions. [2021-08-31 04:49:22,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:49:22,540 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-08-31 04:49:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 117 transitions. [2021-08-31 04:49:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-08-31 04:49:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 86 states have internal predecessors, (117), 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) [2021-08-31 04:49:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-08-31 04:49:22,571 INFO L704 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-08-31 04:49:22,571 INFO L587 BuchiCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-08-31 04:49:22,571 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:49:22,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 117 transitions. [2021-08-31 04:49:22,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-08-31 04:49:22,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:49:22,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:49:22,577 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] [2021-08-31 04:49:22,577 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:49:22,578 INFO L791 eck$LassoCheckResult]: Stem: 282#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;~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]; 270#L-1 havoc main_#res;havoc main_#t~nondet12, 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~ret33, main_#t~ret34, main_#t~post35, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 266#L200 assume 0 == ~r1~0; 267#L201 assume ~id1~0 >= 0; 241#L202 assume 0 == ~st1~0; 242#L203 assume ~send1~0 == ~id1~0; 258#L204 assume 0 == ~mode1~0 % 256; 219#L205 assume ~id2~0 >= 0; 220#L206 assume 0 == ~st2~0; 207#L207 assume ~send2~0 == ~id2~0; 208#L208 assume 0 == ~mode2~0 % 256; 269#L209 assume ~id3~0 >= 0; 224#L210 assume 0 == ~st3~0; 225#L211 assume ~send3~0 == ~id3~0; 212#L212 assume 0 == ~mode3~0 % 256; 213#L213 assume ~id4~0 >= 0; 288#L214 assume 0 == ~st4~0; 289#L215 assume ~send4~0 == ~id4~0; 268#L216 assume 0 == ~mode4~0 % 256; 248#L217 assume ~id5~0 >= 0; 249#L218 assume 0 == ~st5~0; 271#L219 assume ~send5~0 == ~id5~0; 291#L220 assume 0 == ~mode5~0 % 256; 240#L221 assume ~id1~0 != ~id2~0; 238#L222 assume ~id1~0 != ~id3~0; 239#L223 assume ~id1~0 != ~id4~0; 229#L224 assume ~id1~0 != ~id5~0; 230#L225 assume ~id2~0 != ~id3~0; 227#L226 assume ~id2~0 != ~id4~0; 228#L227 assume ~id2~0 != ~id5~0; 243#L228 assume ~id3~0 != ~id4~0; 244#L229 assume ~id3~0 != ~id5~0; 214#L230 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 215#L200-1 init_#res := init_~tmp~0; 245#L325 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;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; 275#L22 assume !(0 == assume_abort_if_not_~cond); 261#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;main_~i2~0 := 0; 234#L397-2 [2021-08-31 04:49:22,578 INFO L793 eck$LassoCheckResult]: Loop: 234#L397-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 209#L71 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 210#L75 assume !(node1_~m1~0 != ~nomsg~0); 259#L75-1 ~mode1~0 := 0; 206#L71-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 272#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 273#L102 assume !(node2_~m2~0 != ~nomsg~0); 250#L102-1 ~mode2~0 := 0; 251#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 231#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 232#L127 assume !(node3_~m3~0 != ~nomsg~0); 246#L127-1 ~mode3~0 := 0; 247#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 253#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 254#L152 assume !(node4_~m4~0 != ~nomsg~0); 217#L152-1 ~mode4~0 := 0; 226#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 281#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 285#L177 assume !(node5_~m5~0 != ~nomsg~0); 257#L177-1 ~mode5~0 := 0; 236#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 277#L333 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 222#L333-1 check_#res := check_~tmp~1; 260#L353 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 252#L427 assume !(0 == assert_~arg % 256); 237#L422 main_#t~post35 := main_~i2~0;main_~i2~0 := 1 + main_#t~post35;havoc main_#t~post35; 234#L397-2 [2021-08-31 04:49:22,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:22,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 1 times [2021-08-31 04:49:22,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:22,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670390539] [2021-08-31 04:49:22,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:22,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:22,638 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:49:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:22,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:49:22,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:22,697 INFO L82 PathProgramCache]: Analyzing trace with hash -2129274822, now seen corresponding path program 1 times [2021-08-31 04:49:22,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:22,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117934915] [2021-08-31 04:49:22,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:22,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:49:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:49:22,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:49:22,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117934915] [2021-08-31 04:49:22,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117934915] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:49:22,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:49:22,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:49:22,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638267421] [2021-08-31 04:49:22,793 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:49:22,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:49:22,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:49:22,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:49:22,794 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. cyclomatic complexity: 31 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:49:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:49:23,046 INFO L93 Difference]: Finished difference Result 90 states and 119 transitions. [2021-08-31 04:49:23,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 04:49:23,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 119 transitions. [2021-08-31 04:49:23,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-08-31 04:49:23,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 87 states and 114 transitions. [2021-08-31 04:49:23,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2021-08-31 04:49:23,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2021-08-31 04:49:23,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 114 transitions. [2021-08-31 04:49:23,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:49:23,051 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-08-31 04:49:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 114 transitions. [2021-08-31 04:49:23,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-08-31 04:49:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.3103448275862069) internal successors, (114), 86 states have internal predecessors, (114), 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) [2021-08-31 04:49:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 114 transitions. [2021-08-31 04:49:23,058 INFO L704 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-08-31 04:49:23,058 INFO L587 BuchiCegarLoop]: Abstraction has 87 states and 114 transitions. [2021-08-31 04:49:23,058 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:49:23,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 114 transitions. [2021-08-31 04:49:23,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2021-08-31 04:49:23,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:49:23,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:49:23,059 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] [2021-08-31 04:49:23,059 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] [2021-08-31 04:49:23,059 INFO L791 eck$LassoCheckResult]: Stem: 471#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;~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]; 459#L-1 havoc main_#res;havoc main_#t~nondet12, 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~ret33, main_#t~ret34, main_#t~post35, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 455#L200 assume 0 == ~r1~0; 456#L201 assume ~id1~0 >= 0; 429#L202 assume 0 == ~st1~0; 430#L203 assume ~send1~0 == ~id1~0; 444#L204 assume 0 == ~mode1~0 % 256; 405#L205 assume ~id2~0 >= 0; 406#L206 assume 0 == ~st2~0; 396#L207 assume ~send2~0 == ~id2~0; 397#L208 assume 0 == ~mode2~0 % 256; 458#L209 assume ~id3~0 >= 0; 412#L210 assume 0 == ~st3~0; 413#L211 assume ~send3~0 == ~id3~0; 398#L212 assume 0 == ~mode3~0 % 256; 399#L213 assume ~id4~0 >= 0; 477#L214 assume 0 == ~st4~0; 478#L215 assume ~send4~0 == ~id4~0; 457#L216 assume 0 == ~mode4~0 % 256; 437#L217 assume ~id5~0 >= 0; 438#L218 assume 0 == ~st5~0; 460#L219 assume ~send5~0 == ~id5~0; 480#L220 assume 0 == ~mode5~0 % 256; 428#L221 assume ~id1~0 != ~id2~0; 426#L222 assume ~id1~0 != ~id3~0; 427#L223 assume ~id1~0 != ~id4~0; 417#L224 assume ~id1~0 != ~id5~0; 418#L225 assume ~id2~0 != ~id3~0; 415#L226 assume ~id2~0 != ~id4~0; 416#L227 assume ~id2~0 != ~id5~0; 431#L228 assume ~id3~0 != ~id4~0; 432#L229 assume ~id3~0 != ~id5~0; 403#L230 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 404#L200-1 init_#res := init_~tmp~0; 433#L325 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;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; 464#L22 assume !(0 == assume_abort_if_not_~cond); 449#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;main_~i2~0 := 0; 422#L397-2 [2021-08-31 04:49:23,059 INFO L793 eck$LassoCheckResult]: Loop: 422#L397-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 400#L71 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 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 401#L75 assume !(node1_~m1~0 != ~nomsg~0); 448#L75-1 ~mode1~0 := 0; 395#L71-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 461#L99 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 462#L102 assume !(node2_~m2~0 != ~nomsg~0); 439#L102-1 ~mode2~0 := 0; 440#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 419#L124 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 420#L127 assume !(node3_~m3~0 != ~nomsg~0); 434#L127-1 ~mode3~0 := 0; 435#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 441#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 442#L152 assume !(node4_~m4~0 != ~nomsg~0); 408#L152-1 ~mode4~0 := 0; 414#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 470#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 474#L177 assume !(node5_~m5~0 != ~nomsg~0); 446#L177-1 ~mode5~0 := 0; 424#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 466#L333 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 451#L334 assume ~r1~0 >= 5; 411#L338 assume ~r1~0 < 5;check_~tmp~1 := 1; 454#L333-1 check_#res := check_~tmp~1; 447#L353 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 436#L427 assume !(0 == assert_~arg % 256); 425#L422 main_#t~post35 := main_~i2~0;main_~i2~0 := 1 + main_#t~post35;havoc main_#t~post35; 422#L397-2 [2021-08-31 04:49:23,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:23,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 2 times [2021-08-31 04:49:23,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:23,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677327643] [2021-08-31 04:49:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:23,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:49:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:49:23,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:23,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1050477610, now seen corresponding path program 1 times [2021-08-31 04:49:23,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:23,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079721009] [2021-08-31 04:49:23,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:23,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:49:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:49:23,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:49:23,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079721009] [2021-08-31 04:49:23,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079721009] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:49:23,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:49:23,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:49:23,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084002075] [2021-08-31 04:49:23,130 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:49:23,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:49:23,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:49:23,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:49:23,131 INFO L87 Difference]: Start difference. First operand 87 states and 114 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-08-31 04:49:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:49:23,313 INFO L93 Difference]: Finished difference Result 131 states and 180 transitions. [2021-08-31 04:49:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:49:23,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 131 states and 180 transitions. [2021-08-31 04:49:23,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2021-08-31 04:49:23,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 131 states to 131 states and 180 transitions. [2021-08-31 04:49:23,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 131 [2021-08-31 04:49:23,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 131 [2021-08-31 04:49:23,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 180 transitions. [2021-08-31 04:49:23,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:49:23,317 INFO L681 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-08-31 04:49:23,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 180 transitions. [2021-08-31 04:49:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-08-31 04:49:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 131 states have (on average 1.3740458015267176) internal successors, (180), 130 states have internal predecessors, (180), 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) [2021-08-31 04:49:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2021-08-31 04:49:23,320 INFO L704 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-08-31 04:49:23,321 INFO L587 BuchiCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-08-31 04:49:23,321 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 04:49:23,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 180 transitions. [2021-08-31 04:49:23,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 94 [2021-08-31 04:49:23,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:49:23,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:49:23,322 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] [2021-08-31 04:49:23,322 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] [2021-08-31 04:49:23,323 INFO L791 eck$LassoCheckResult]: Stem: 699#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;~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]; 687#L-1 havoc main_#res;havoc main_#t~nondet12, 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~ret33, main_#t~ret34, main_#t~post35, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet12;havoc main_#t~nondet12;~id1~0 := main_#t~nondet13;havoc main_#t~nondet13;~st1~0 := main_#t~nondet14;havoc main_#t~nondet14;~send1~0 := main_#t~nondet15;havoc main_#t~nondet15;~mode1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id2~0 := main_#t~nondet17;havoc main_#t~nondet17;~st2~0 := main_#t~nondet18;havoc main_#t~nondet18;~send2~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode2~0 := main_#t~nondet20;havoc main_#t~nondet20;~id3~0 := main_#t~nondet21;havoc main_#t~nondet21;~st3~0 := main_#t~nondet22;havoc main_#t~nondet22;~send3~0 := main_#t~nondet23;havoc main_#t~nondet23;~mode3~0 := main_#t~nondet24;havoc main_#t~nondet24;~id4~0 := main_#t~nondet25;havoc main_#t~nondet25;~st4~0 := main_#t~nondet26;havoc main_#t~nondet26;~send4~0 := main_#t~nondet27;havoc main_#t~nondet27;~mode4~0 := main_#t~nondet28;havoc main_#t~nondet28;~id5~0 := main_#t~nondet29;havoc main_#t~nondet29;~st5~0 := main_#t~nondet30;havoc main_#t~nondet30;~send5~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode5~0 := main_#t~nondet32;havoc main_#t~nondet32;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 683#L200 assume 0 == ~r1~0; 684#L201 assume ~id1~0 >= 0; 653#L202 assume 0 == ~st1~0; 654#L203 assume ~send1~0 == ~id1~0; 670#L204 assume 0 == ~mode1~0 % 256; 632#L205 assume ~id2~0 >= 0; 633#L206 assume 0 == ~st2~0; 620#L207 assume ~send2~0 == ~id2~0; 621#L208 assume 0 == ~mode2~0 % 256; 686#L209 assume ~id3~0 >= 0; 636#L210 assume 0 == ~st3~0; 637#L211 assume ~send3~0 == ~id3~0; 625#L212 assume 0 == ~mode3~0 % 256; 626#L213 assume ~id4~0 >= 0; 706#L214 assume 0 == ~st4~0; 707#L215 assume ~send4~0 == ~id4~0; 685#L216 assume 0 == ~mode4~0 % 256; 663#L217 assume ~id5~0 >= 0; 664#L218 assume 0 == ~st5~0; 688#L219 assume ~send5~0 == ~id5~0; 709#L220 assume 0 == ~mode5~0 % 256; 652#L221 assume ~id1~0 != ~id2~0; 650#L222 assume ~id1~0 != ~id3~0; 651#L223 assume ~id1~0 != ~id4~0; 641#L224 assume ~id1~0 != ~id5~0; 642#L225 assume ~id2~0 != ~id3~0; 639#L226 assume ~id2~0 != ~id4~0; 640#L227 assume ~id2~0 != ~id5~0; 655#L228 assume ~id3~0 != ~id4~0; 656#L229 assume ~id3~0 != ~id5~0; 627#L230 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 628#L200-1 init_#res := init_~tmp~0; 657#L325 main_#t~ret33 := init_#res;main_~i2~0 := main_#t~ret33;havoc main_#t~ret33;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; 692#L22 assume !(0 == assume_abort_if_not_~cond); 674#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;main_~i2~0 := 0; 675#L397-2 [2021-08-31 04:49:23,323 INFO L793 eck$LassoCheckResult]: Loop: 675#L397-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 744#L71 assume !(0 != ~mode1~0 % 256); 743#L87 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 742#L87-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 672#L71-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 741#L99 assume !(0 != ~mode2~0 % 256); 737#L112 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite8 := ~send2~0; 736#L112-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 734#L99-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 733#L124 assume !(0 != ~mode3~0 % 256); 729#L137 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite9 := ~send3~0; 728#L137-2 ~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; 726#L124-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 725#L149 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 723#L152 assume !(node4_~m4~0 != ~nomsg~0); 721#L152-1 ~mode4~0 := 0; 720#L149-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 718#L174 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 716#L177 assume !(node5_~m5~0 != ~nomsg~0); 714#L177-1 ~mode5~0 := 0; 712#L174-2 ~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;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 711#L333 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 710#L334 assume !(~r1~0 >= 5); 634#L337 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0; 635#L338 assume ~r1~0 < 5;check_~tmp~1 := 1; 748#L333-1 check_#res := check_~tmp~1; 747#L353 main_#t~ret34 := check_#res;main_~c1~0 := main_#t~ret34;havoc main_#t~ret34;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 746#L427 assume !(0 == assert_~arg % 256); 745#L422 main_#t~post35 := main_~i2~0;main_~i2~0 := 1 + main_#t~post35;havoc main_#t~post35; 675#L397-2 [2021-08-31 04:49:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:23,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1992034189, now seen corresponding path program 3 times [2021-08-31 04:49:23,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:23,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315670201] [2021-08-31 04:49:23,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:23,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,335 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:49:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:49:23,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:23,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2096394309, now seen corresponding path program 1 times [2021-08-31 04:49:23,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:23,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517954664] [2021-08-31 04:49:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:23,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,368 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:49:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:49:23,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:49:23,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:49:23,378 INFO L82 PathProgramCache]: Analyzing trace with hash 297264403, now seen corresponding path program 1 times [2021-08-31 04:49:23,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:49:23,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75341578] [2021-08-31 04:49:23,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:49:23,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:49:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:49:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:49:23,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:49:23,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75341578] [2021-08-31 04:49:23,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75341578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:49:23,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:49:23,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:49:23,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119317508] [2021-08-31 04:49:24,352 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 04:49:24,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 04:49:24,352 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 04:49:24,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 04:49:24,353 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 04:49:24,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:49:24,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 04:49:24,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 04:49:24,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5.1.ufo.BOUNDED-10.pals.c_Iteration4_Loop [2021-08-31 04:49:24,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 04:49:24,353 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 04:49:24,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:24,914 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-08-31 04:49:53,674 WARN L210 SmtUtils]: Spent 28.62s on a formula simplification. DAG size of input: 634 DAG size of output: 186 [2021-08-31 04:49:53,785 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 04:49:53,785 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 04:49:53,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:49:53,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:49:53,788 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) [2021-08-31 04:49:53,803 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 [2021-08-31 04:49:53,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 04:49:53,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:49:53,856 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 [2021-08-31 04:49:53,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:49:53,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:49:53,857 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) [2021-08-31 04:49:53,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 04:49:53,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:49:53,872 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 [2021-08-31 04:49:53,973 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 04:49:53,979 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 [2021-08-31 04:49:53,979 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 04:49:53,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 04:49:53,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 04:49:53,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 04:49:53,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 04:49:53,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:49:53,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 04:49:53,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 04:49:53,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.5.1.ufo.BOUNDED-10.pals.c_Iteration4_Loop [2021-08-31 04:49:53,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 04:49:53,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 04:49:53,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:53,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:49:54,482 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-08-31 04:50:24,049 WARN L210 SmtUtils]: Spent 29.46s on a formula simplification. DAG size of input: 634 DAG size of output: 186 [2021-08-31 04:50:24,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 04:50:24,128 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 04:50:24,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,129 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) [2021-08-31 04:50:24,130 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 [2021-08-31 04:50:24,132 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 [2021-08-31 04:50:24,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,172 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 [2021-08-31 04:50:24,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,174 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) [2021-08-31 04:50:24,179 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 [2021-08-31 04:50:24,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,185 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 [2021-08-31 04:50:24,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,216 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 [2021-08-31 04:50:24,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,221 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) [2021-08-31 04:50:24,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:50:24,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:50:24,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:50:24,241 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 [2021-08-31 04:50:24,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,273 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 [2021-08-31 04:50:24,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,275 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) [2021-08-31 04:50:24,277 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 [2021-08-31 04:50:24,284 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 [2021-08-31 04:50:24,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,321 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 [2021-08-31 04:50:24,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,329 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) [2021-08-31 04:50:24,330 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 [2021-08-31 04:50:24,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:50:24,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,371 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 [2021-08-31 04:50:24,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,372 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) [2021-08-31 04:50:24,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:50:24,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,388 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 [2021-08-31 04:50:24,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,415 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 [2021-08-31 04:50:24,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,416 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) [2021-08-31 04:50:24,423 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 [2021-08-31 04:50:24,428 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 [2021-08-31 04:50:24,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,470 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 [2021-08-31 04:50:24,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,477 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) [2021-08-31 04:50:24,486 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 [2021-08-31 04:50:24,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:50:24,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:50:24,500 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 [2021-08-31 04:50:24,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,542 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 [2021-08-31 04:50:24,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,543 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) [2021-08-31 04:50:24,544 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 [2021-08-31 04:50:24,545 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 [2021-08-31 04:50:24,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 04:50:24,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,585 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) [2021-08-31 04:50:24,585 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 [2021-08-31 04:50:24,587 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 [2021-08-31 04:50:24,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:50:24,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:50:24,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,628 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 [2021-08-31 04:50:24,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,630 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) [2021-08-31 04:50:24,631 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 [2021-08-31 04:50:24,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:50:24,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,675 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 [2021-08-31 04:50:24,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,685 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) [2021-08-31 04:50:24,703 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 [2021-08-31 04:50:24,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,709 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 [2021-08-31 04:50:24,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:24,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:24,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 04:50:24,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,740 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) [2021-08-31 04:50:24,742 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 [2021-08-31 04:50:24,745 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 [2021-08-31 04:50:24,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:24,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:24,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:50:24,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:50:24,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:24,771 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 [2021-08-31 04:50:24,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:24,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:24,772 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) [2021-08-31 04:50:24,773 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 [2021-08-31 04:50:24,774 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 [2021-08-31 04:50:24,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:24,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:24,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:24,781 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-08-31 04:50:24,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:25,155 INFO L401 nArgumentSynthesizer]: We have 128 Motzkin's Theorem applications. [2021-08-31 04:50:25,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:25,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:25,633 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 [2021-08-31 04:50:25,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:25,634 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) [2021-08-31 04:50:25,636 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 [2021-08-31 04:50:25,637 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 [2021-08-31 04:50:25,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:25,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:25,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:25,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:25,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:50:25,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:50:25,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:25,678 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 [2021-08-31 04:50:25,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:25,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:25,679 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) [2021-08-31 04:50:25,680 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 [2021-08-31 04:50:25,681 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 [2021-08-31 04:50:25,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:25,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:25,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:25,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:25,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:25,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:25,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:25,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:50:25,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 04:50:25,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:25,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:25,722 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) [2021-08-31 04:50:25,729 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 [2021-08-31 04:50:25,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:50:25,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:50:25,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:50:25,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:50:25,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:50:25,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:50:25,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:50:25,739 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 [2021-08-31 04:50:25,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 04:50:25,769 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 04:50:25,769 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 04:50:25,770 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:50:25,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:50:25,771 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) [2021-08-31 04:50:25,775 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 04:50:25,775 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 04:50:25,775 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 04:50:25,775 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] [2021-08-31 04:50:25,788 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 [2021-08-31 04:50:25,793 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 [2021-08-31 04:50:25,794 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 04:50:25,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:50:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:50:25,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 04:50:25,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 04:50:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:50:25,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 04:50:25,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 04:50:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:50:26,071 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 [2021-08-31 04:50:26,071 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 131 states and 180 transitions. cyclomatic complexity: 50 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-08-31 04:50:26,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 131 states and 180 transitions. cyclomatic complexity: 50. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 224 states and 323 transitions. Complement of second has 4 states. [2021-08-31 04:50:26,256 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 [2021-08-31 04:50:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-08-31 04:50:26,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2021-08-31 04:50:26,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 114 transitions. Stem has 37 letters. Loop has 29 letters. [2021-08-31 04:50:26,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:50:26,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 114 transitions. Stem has 66 letters. Loop has 29 letters. [2021-08-31 04:50:26,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:50:26,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 114 transitions. Stem has 37 letters. Loop has 58 letters. [2021-08-31 04:50:26,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:50:26,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 224 states and 323 transitions. [2021-08-31 04:50:26,261 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 04:50:26,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 224 states to 0 states and 0 transitions. [2021-08-31 04:50:26,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 04:50:26,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 04:50:26,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 04:50:26,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:50:26,261 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 04:50:26,262 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 04:50:26,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:50:26,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:50:26,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:50:26,262 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-08-31 04:50:26,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:50:26,262 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-31 04:50:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 04:50:26,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 04:50:26,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 04:50:26,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 04:50:26,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:50:26,263 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 04:50:26,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 04:50:26,263 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 04:50:26,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 04:50:26,265 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 04:50:26,267 INFO L158 Benchmark]: Toolchain (without parser) took 65347.87ms. Allocated memory was 62.9MB in the beginning and 186.6MB in the end (delta: 123.7MB). Free memory was 43.7MB in the beginning and 82.9MB in the end (delta: -39.3MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,268 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:50:26,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.21ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 44.2MB in the end (delta: -816.2kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 41.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,268 INFO L158 Benchmark]: Boogie Preprocessor took 41.19ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,268 INFO L158 Benchmark]: RCFGBuilder took 302.27ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 59.7MB in the end (delta: -19.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,269 INFO L158 Benchmark]: BuchiAutomizer took 64633.54ms. Allocated memory was 81.8MB in the beginning and 186.6MB in the end (delta: 104.9MB). Free memory was 59.7MB in the beginning and 82.9MB in the end (delta: -23.2MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2021-08-31 04:50:26,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.21ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 44.2MB in the end (delta: -816.2kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 62.9MB. Free memory was 44.2MB in the beginning and 41.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.19ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 39.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.27ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 39.8MB in the beginning and 59.7MB in the end (delta: -19.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 64633.54ms. Allocated memory was 81.8MB in the beginning and 186.6MB in the end (delta: 104.9MB). Free memory was 59.7MB in the beginning and 82.9MB in the end (delta: -23.2MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 + -2 * i2 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 04:50:26,291 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 [2021-08-31 04:50:26,496 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...