./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_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 01:16:07,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:16:07,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:16:07,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:16:07,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:16:07,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:16:07,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:16:07,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:16:07,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:16:07,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:16:07,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:16:07,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:16:07,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:16:07,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:16:07,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:16:07,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:16:07,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:16:07,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:16:07,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:16:07,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:16:07,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:16:07,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:16:07,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:16:07,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:16:07,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:16:07,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:16:07,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:16:07,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:16:07,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:16:07,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:16:07,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:16:07,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:16:07,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:16:07,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:16:07,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:16:07,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:16:07,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:16:07,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:16:07,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:16:07,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:16:07,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:16:07,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:16:07,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:16:07,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:16:07,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:16:07,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:16:07,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:16:07,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:16:07,748 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:16:07,748 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:16:07,748 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:16:07,748 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:16:07,749 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:16:07,749 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:16:07,749 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:16:07,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:16:07,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:16:07,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:16:07,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:16:07,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:16:07,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:16:07,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:16:07,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:16:07,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:16:07,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:16:07,752 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:16:07,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 [2021-08-31 01:16:07,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:16:07,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:16:07,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:16:07,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:16:07,990 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:16:07,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2021-08-31 01:16:08,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0972d2e9/1f59b0ce02de4b9c855cd43a9d00f3e5/FLAG01d40d26e [2021-08-31 01:16:08,356 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:16:08,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2021-08-31 01:16:08,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0972d2e9/1f59b0ce02de4b9c855cd43a9d00f3e5/FLAG01d40d26e [2021-08-31 01:16:08,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0972d2e9/1f59b0ce02de4b9c855cd43a9d00f3e5 [2021-08-31 01:16:08,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:16:08,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:16:08,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:16:08,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:16:08,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:16:08,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d36a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08, skipping insertion in model container [2021-08-31 01:16:08,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:16:08,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:16:08,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:16:08,899 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:16:08,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:16:08,918 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:16:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08 WrapperNode [2021-08-31 01:16:08,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:16:08,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:16:08,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:16:08,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:16:08,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:16:08,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:16:08,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:16:08,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:16:08,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:16:08,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:16:08,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:16:08,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:16:08,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (1/1) ... [2021-08-31 01:16:08,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:09,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:09,016 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 01:16:09,024 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 01:16:09,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:16:09,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:16:09,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:16:09,132 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-31 01:16:09,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:16:09 BoogieIcfgContainer [2021-08-31 01:16:09,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:16:09,134 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:16:09,134 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:16:09,136 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:16:09,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:09,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:16:08" (1/3) ... [2021-08-31 01:16:09,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a8c7f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:16:09, skipping insertion in model container [2021-08-31 01:16:09,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:09,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:16:08" (2/3) ... [2021-08-31 01:16:09,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a8c7f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:16:09, skipping insertion in model container [2021-08-31 01:16:09,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:16:09,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:16:09" (3/3) ... [2021-08-31 01:16:09,139 INFO L389 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2021-08-31 01:16:09,168 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:16:09,169 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:16:09,169 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:16:09,169 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:16:09,169 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:16:09,169 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:16:09,169 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:16:09,169 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:16:09,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 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 01:16:09,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:09,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:09,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:09,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:16:09,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:09,199 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:16:09,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 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 01:16:09,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:09,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:09,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:09,204 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:16:09,204 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:09,209 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 17#L20true assume !!(-268435455 <= main_~y~0); 13#L21true assume !!(-268435455 <= main_~z~0); 11#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 8#L22-2true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 15#L27-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 6#L32-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 9#L37-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 4#L42-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 12#L47-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 18#L52-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 16#L57-1true assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 10#L67-1true [2021-08-31 01:16:09,209 INFO L793 eck$LassoCheckResult]: Loop: 10#L67-1true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 10#L67-1true [2021-08-31 01:16:09,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,215 INFO L82 PathProgramCache]: Analyzing trace with hash 21841375, now seen corresponding path program 1 times [2021-08-31 01:16:09,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725867986] [2021-08-31 01:16:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:16:09,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:16:09,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725867986] [2021-08-31 01:16:09,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725867986] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:16:09,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:16:09,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 01:16:09,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920853245] [2021-08-31 01:16:09,386 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:16:09,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 1 times [2021-08-31 01:16:09,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520017545] [2021-08-31 01:16:09,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,400 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:09,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:16:09,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:16:09,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:16:09,518 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 01:16:09,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:16:09,574 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2021-08-31 01:16:09,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:16:09,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2021-08-31 01:16:09,580 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-08-31 01:16:09,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 22 states and 31 transitions. [2021-08-31 01:16:09,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-08-31 01:16:09,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-08-31 01:16:09,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2021-08-31 01:16:09,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:16:09,583 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2021-08-31 01:16:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2021-08-31 01:16:09,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-08-31 01:16:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:16:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2021-08-31 01:16:09,599 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-08-31 01:16:09,599 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-08-31 01:16:09,599 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:16:09,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2021-08-31 01:16:09,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:09,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:09,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:09,601 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:16:09,601 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:09,601 INFO L791 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 59#L20 assume !!(-268435455 <= main_~y~0); 68#L21 assume !!(-268435455 <= main_~z~0); 66#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 67#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 63#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 60#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 61#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 56#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 57#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 65#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 69#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 64#L67-1 [2021-08-31 01:16:09,601 INFO L793 eck$LassoCheckResult]: Loop: 64#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 64#L67-1 [2021-08-31 01:16:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,602 INFO L82 PathProgramCache]: Analyzing trace with hash -322927901, now seen corresponding path program 1 times [2021-08-31 01:16:09,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922512352] [2021-08-31 01:16:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:09,616 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 01:16:09,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:16:09,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922512352] [2021-08-31 01:16:09,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922512352] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:16:09,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:16:09,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 01:16:09,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598746042] [2021-08-31 01:16:09,617 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:16:09,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,618 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 2 times [2021-08-31 01:16:09,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105258839] [2021-08-31 01:16:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,621 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:09,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:16:09,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:16:09,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:16:09,644 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 01:16:09,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:16:09,674 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2021-08-31 01:16:09,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:16:09,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2021-08-31 01:16:09,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-08-31 01:16:09,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 23 transitions. [2021-08-31 01:16:09,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-08-31 01:16:09,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-08-31 01:16:09,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2021-08-31 01:16:09,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:16:09,677 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-08-31 01:16:09,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2021-08-31 01:16:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-08-31 01:16:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:16:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-08-31 01:16:09,679 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-08-31 01:16:09,679 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-08-31 01:16:09,679 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:16:09,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 22 transitions. [2021-08-31 01:16:09,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:09,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:09,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:09,680 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:16:09,680 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:09,680 INFO L791 eck$LassoCheckResult]: Stem: 107#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 108#L20 assume !!(-268435455 <= main_~y~0); 118#L21 assume !!(-268435455 <= main_~z~0); 116#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 111#L22-2 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 112#L27-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 109#L32-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 110#L37-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 113#L42-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 123#L47-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 120#L52-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 121#L57-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 114#L67-1 [2021-08-31 01:16:09,681 INFO L793 eck$LassoCheckResult]: Loop: 114#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 114#L67-1 [2021-08-31 01:16:09,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,681 INFO L82 PathProgramCache]: Analyzing trace with hash 701899747, now seen corresponding path program 1 times [2021-08-31 01:16:09,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325060857] [2021-08-31 01:16:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,690 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:09,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 3 times [2021-08-31 01:16:09,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522401663] [2021-08-31 01:16:09,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,701 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:09,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:09,703 INFO L82 PathProgramCache]: Analyzing trace with hash 284055750, now seen corresponding path program 1 times [2021-08-31 01:16:09,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:09,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993021081] [2021-08-31 01:16:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:09,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,710 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:09,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:09,835 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:16:09,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:16:09,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:16:09,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:16:09,836 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:16:09,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:09,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:16:09,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:16:09,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2021-08-31 01:16:09,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:16:09,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:16:09,846 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 01:16:09,850 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 01:16:09,852 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 01:16:09,854 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 01:16:09,855 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 01:16:09,865 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 01:16:09,867 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 01:16:09,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:16:09,920 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:16:09,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:09,937 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 01:16:09,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:09,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:09,980 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 01:16:10,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:10,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:10,025 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 01:16:10,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,026 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 01:16:10,027 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 01:16:10,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:10,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:10,045 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:10,045 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:10,063 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 01:16:10,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,066 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 01:16:10,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:10,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:10,083 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 01:16:10,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:10,097 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:10,116 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 01:16:10,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,117 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 01:16:10,118 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 01:16:10,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:10,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:10,141 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:10,141 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:10,159 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 01:16:10,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,161 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 01:16:10,163 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 01:16:10,164 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:10,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:10,204 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 01:16:10,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,205 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 01:16:10,206 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 01:16:10,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:16:10,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:10,252 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:16:10,257 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 01:16:10,257 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:16:10,257 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:16:10,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:16:10,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:16:10,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:16:10,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,258 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:16:10,258 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:16:10,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2021-08-31 01:16:10,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:16:10,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:16:10,260 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 01:16:10,265 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 01:16:10,267 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 01:16:10,269 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 01:16:10,280 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 01:16:10,282 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 01:16:10,284 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 01:16:10,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:16:10,347 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:16:10,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,349 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 01:16:10,371 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 01:16:10,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:10,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:10,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:10,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:10,380 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 01:16:10,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:16:10,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:16:10,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:10,415 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 01:16:10,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,416 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 01:16:10,417 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 01:16:10,418 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 01:16:10,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:10,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:10,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:10,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:10,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:10,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:10,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:10,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:10,456 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 01:16:10,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,457 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 01:16:10,458 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 01:16:10,459 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 01:16:10,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:10,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:10,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:10,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:10,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:10,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:10,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:10,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:10,488 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 01:16:10,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,489 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 01:16:10,492 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 01:16:10,493 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 01:16:10,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:10,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:10,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:10,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:10,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:16:10,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:16:10,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:16:10,532 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 01:16:10,532 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-31 01:16:10,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:10,544 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 01:16:10,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:16:10,569 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 01:16:10,579 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:16:10,579 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:16:10,579 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -1*ULTIMATE.start_main_~z~0 + 100 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 2 >= 0] [2021-08-31 01:16:10,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-08-31 01:16:10,612 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-08-31 01:16:10,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:10,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 01:16:10,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:16:10,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 01:16:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:10,808 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:16:10,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:16:10,809 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 01:16:10,811 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2021-08-31 01:16:10,811 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2 Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 01:16:10,926 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 23 states and 24 transitions. Complement of second has 10 states. [2021-08-31 01:16:10,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:16:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 01:16:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2021-08-31 01:16:10,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 1 letters. [2021-08-31 01:16:10,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:10,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 13 letters. Loop has 1 letters. [2021-08-31 01:16:10,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:10,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 2 letters. [2021-08-31 01:16:10,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:10,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2021-08-31 01:16:10,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:10,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 13 states and 13 transitions. [2021-08-31 01:16:10,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-31 01:16:10,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 01:16:10,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 13 transitions. [2021-08-31 01:16:10,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:16:10,933 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-08-31 01:16:10,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 13 transitions. [2021-08-31 01:16:10,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-08-31 01:16:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0) internal successors, (13), 12 states have internal predecessors, (13), 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 01:16:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-08-31 01:16:10,934 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-08-31 01:16:10,934 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-08-31 01:16:10,934 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:16:10,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 13 transitions. [2021-08-31 01:16:10,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:16:10,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:16:10,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:16:10,935 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:16:10,936 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:16:10,936 INFO L791 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 239#L20 assume !!(-268435455 <= main_~y~0); 247#L21 assume !!(-268435455 <= main_~z~0); 245#L22 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 242#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 243#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 240#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 241#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 236#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 237#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 246#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 248#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 244#L67-1 [2021-08-31 01:16:10,936 INFO L793 eck$LassoCheckResult]: Loop: 244#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 244#L67-1 [2021-08-31 01:16:10,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:10,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1002986271, now seen corresponding path program 1 times [2021-08-31 01:16:10,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:10,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867163177] [2021-08-31 01:16:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:10,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,944 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:10,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:10,959 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 4 times [2021-08-31 01:16:10,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:10,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69511097] [2021-08-31 01:16:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:10,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,963 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,967 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:10,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:10,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1027803256, now seen corresponding path program 1 times [2021-08-31 01:16:10,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:16:10,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186849405] [2021-08-31 01:16:10,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:16:10,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:16:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:16:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:16:10,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:16:11,086 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:16:11,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:16:11,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:16:11,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:16:11,087 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:16:11,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:16:11,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:16:11,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2021-08-31 01:16:11,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:16:11,087 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:16:11,089 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 01:16:11,090 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 01:16:11,092 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 01:16:11,093 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 01:16:11,094 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 01:16:11,096 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 01:16:11,097 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 01:16:11,148 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:16:11,148 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:16:11,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,149 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 01:16:11,150 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 01:16:11,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,173 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,173 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,190 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 01:16:11,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,191 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 01:16:11,191 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 01:16:11,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,200 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,200 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,215 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 01:16:11,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,216 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 01:16:11,218 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 01:16:11,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,225 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,225 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-31 01:16:11,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,242 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 01:16:11,242 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 01:16:11,244 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,244 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,252 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,268 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 01:16:11,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,269 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 01:16:11,270 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 01:16:11,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-31 01:16:11,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,300 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 01:16:11,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,325 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 01:16:11,345 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:16:11,345 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:16:11,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-08-31 01:16:11,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,361 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 01:16:11,362 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 01:16:11,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:16:11,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-31 01:16:11,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,393 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 01:16:11,394 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 01:16:11,395 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:16:11,395 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:16:11,431 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:16:11,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-08-31 01:16:11,434 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:16:11,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:16:11,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:16:11,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:16:11,435 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:16:11,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:16:11,435 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:16:11,435 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2021-08-31 01:16:11,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:16:11,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:16:11,436 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 01:16:11,442 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 01:16:11,444 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 01:16:11,445 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 01:16:11,446 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 01:16:11,453 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 01:16:11,455 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 01:16:11,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:16:11,509 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:16:11,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,523 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 01:16:11,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:16:11,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,531 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 01:16:11,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:16:11,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:16:11,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,572 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 01:16:11,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,581 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:16:11,589 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 01:16:11,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:11,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:11,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:11,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 01:16:11,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-31 01:16:11,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,616 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:16:11,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 01:16:11,618 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 01:16:11,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:11,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:11,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:11,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-31 01:16:11,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,640 INFO L229 MonitoredProcess]: Starting monitored process 24 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 01:16:11,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 01:16:11,641 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 01:16:11,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:11,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:11,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:11,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 01:16:11,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,666 INFO L229 MonitoredProcess]: Starting monitored process 25 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 01:16:11,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 01:16:11,669 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 01:16:11,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:16:11,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:16:11,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:16:11,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-31 01:16:11,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,696 INFO L229 MonitoredProcess]: Starting monitored process 26 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 01:16:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 01:16:11,697 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 01:16:11,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:16:11,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:16:11,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:16:11,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-31 01:16:11,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,722 INFO L229 MonitoredProcess]: Starting monitored process 27 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 01:16:11,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 01:16:11,724 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 01:16:11,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:16:11,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:16:11,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:16:11,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:16:11,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:16:11,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:16:11,745 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:16:11,778 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 01:16:11,778 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-08-31 01:16:11,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:16:11,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:16:11,781 INFO L229 MonitoredProcess]: Starting monitored process 28 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 01:16:11,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:16:11,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 01:16:11,813 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:16:11,813 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:16:11,813 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 2 >= 0] [2021-08-31 01:16:11,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-31 01:16:11,832 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-08-31 01:16:11,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:16:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:11,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 01:16:11,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:16:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:16:11,973 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-31 01:16:11,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:16:11,974 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 01:16:11,974 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2021-08-31 01:16:11,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 01:16:12,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 14 states and 14 transitions. Complement of second has 9 states. [2021-08-31 01:16:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:16:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 01:16:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2021-08-31 01:16:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2021-08-31 01:16:12,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 13 letters. Loop has 1 letters. [2021-08-31 01:16:12,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2021-08-31 01:16:12,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:16:12,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2021-08-31 01:16:12,057 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:16:12,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-08-31 01:16:12,057 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:16:12,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:16:12,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:16:12,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:16:12,058 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:16:12,058 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:16:12,058 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:16:12,058 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:16:12,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:16:12,058 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:16:12,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:16:12,060 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 01:16:12,062 INFO L158 Benchmark]: Toolchain (without parser) took 3269.71ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 48.2MB in the beginning and 40.9MB in the end (delta: 7.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-08-31 01:16:12,063 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:16:12,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 124.14ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 39.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 01:16:12,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.62ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:16:12,064 INFO L158 Benchmark]: Boogie Preprocessor took 39.13ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 51.2MB in the end (delta: -13.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-08-31 01:16:12,064 INFO L158 Benchmark]: RCFGBuilder took 151.58ms. Allocated memory is still 67.1MB. Free memory was 51.2MB in the beginning and 43.1MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 01:16:12,064 INFO L158 Benchmark]: BuchiAutomizer took 2927.96ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-08-31 01:16:12,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 124.14ms. Allocated memory is still 67.1MB. Free memory was 48.0MB in the beginning and 39.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.62ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.13ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 51.2MB in the end (delta: -13.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 151.58ms. Allocated memory is still 67.1MB. Free memory was 51.2MB in the beginning and 43.1MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2927.96ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 100 + -1 * z and consists of 10 locations. One deterministic module has affine ranking function -1 * y + 100 and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 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 01:16:12,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 01:16:12,308 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...