./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --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-memory-alloca/b.13-alloca.i -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 72925b65ef321f719f00e79529e35268c3f3eaa3 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:35:18,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:35:18,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:35:18,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:35:18,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:35:18,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:35:18,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:35:18,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:35:18,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:35:18,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:35:18,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:35:18,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:35:18,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:35:18,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:35:18,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:35:18,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:35:18,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:35:18,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:35:18,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:35:18,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:35:18,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:35:18,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:35:18,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:35:18,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:35:18,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:35:18,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:35:18,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:35:18,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:35:18,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:35:18,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:35:18,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:35:18,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:35:18,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:35:18,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:35:18,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:35:18,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:35:18,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:35:18,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:35:18,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:35:18,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:35:18,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:35:18,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:35:18,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:35:18,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:35:18,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:35:18,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:35:18,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:35:18,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:35:18,935 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:35:18,935 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:35:18,935 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:35:18,935 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:35:18,936 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:35:18,936 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:35:18,936 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:35:18,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:35:18,937 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:35:18,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:35:18,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:35:18,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:35:18,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:35:18,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:35:18,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:35:18,938 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:35:18,938 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:35:18,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:35:18,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:35:18,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:35:18,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:35:18,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:35:18,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:35:18,940 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:35:18,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72925b65ef321f719f00e79529e35268c3f3eaa3 [2021-08-31 01:35:19,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:35:19,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:35:19,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:35:19,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:35:19,262 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:35:19,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2021-08-31 01:35:19,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9169f2bfc/21e821766c2440f5b8c5ad5044eb4038/FLAG5aa19844f [2021-08-31 01:35:19,801 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:35:19,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2021-08-31 01:35:19,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9169f2bfc/21e821766c2440f5b8c5ad5044eb4038/FLAG5aa19844f [2021-08-31 01:35:19,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9169f2bfc/21e821766c2440f5b8c5ad5044eb4038 [2021-08-31 01:35:19,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:35:19,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:35:19,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:35:19,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:35:19,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:35:19,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:35:19" (1/1) ... [2021-08-31 01:35:19,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf20da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:19, skipping insertion in model container [2021-08-31 01:35:19,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:35:19" (1/1) ... [2021-08-31 01:35:19,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:35:19,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:35:20,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:35:20,210 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:35:20,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:35:20,279 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:35:20,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20 WrapperNode [2021-08-31 01:35:20,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:35:20,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:35:20,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:35:20,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:35:20,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:35:20,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:35:20,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:35:20,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:35:20,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:35:20,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:35:20,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:35:20,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:35:20,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (1/1) ... [2021-08-31 01:35:20,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:20,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:20,410 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 01:35:20,433 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 01:35:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:35:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:35:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:35:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:35:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:35:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:35:20,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:35:20,725 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-31 01:35:20,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:35:20 BoogieIcfgContainer [2021-08-31 01:35:20,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:35:20,729 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:35:20,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:35:20,732 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:35:20,733 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:20,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:35:19" (1/3) ... [2021-08-31 01:35:20,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8eab83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:35:20, skipping insertion in model container [2021-08-31 01:35:20,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:20,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:35:20" (2/3) ... [2021-08-31 01:35:20,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8eab83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:35:20, skipping insertion in model container [2021-08-31 01:35:20,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:35:20,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:35:20" (3/3) ... [2021-08-31 01:35:20,736 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.13-alloca.i [2021-08-31 01:35:20,782 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:35:20,783 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:35:20,783 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:35:20,783 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:35:20,783 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:35:20,783 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:35:20,783 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:35:20,784 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:35:20,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 01:35:20,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:20,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:20,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:20,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:35:20,819 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:20,819 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:35:20,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 01:35:20,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-31 01:35:20,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:20,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:20,823 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:35:20,823 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:20,828 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L561-2true [2021-08-31 01:35:20,829 INFO L793 eck$LassoCheckResult]: Loop: 9#L561-2true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 13#L557-1true assume test_fun_#t~short10; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 7#L558true assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 9#L561-2true [2021-08-31 01:35:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:20,833 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 01:35:20,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:20,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530629538] [2021-08-31 01:35:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:20,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,002 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2021-08-31 01:35:21,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:21,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178584148] [2021-08-31 01:35:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:21,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,107 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:21,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:21,129 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-08-31 01:35:21,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:21,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308490997] [2021-08-31 01:35:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:21,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,154 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:21,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:22,320 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:22,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:22,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:22,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:22,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:22,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:22,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:22,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:22,322 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration1_Lasso [2021-08-31 01:35:22,322 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:22,323 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:22,341 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 01:35:22,346 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 01:35:22,348 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 01:35:22,350 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 01:35:22,352 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 01:35:22,355 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 01:35:22,358 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 01:35:22,361 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 01:35:22,894 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 01:35:22,897 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 01:35:22,899 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 01:35:22,902 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 01:35:22,904 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 01:35:22,906 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 01:35:22,909 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 01:35:22,911 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 01:35:22,913 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 01:35:22,915 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 01:35:22,917 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 01:35:22,920 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 01:35:22,922 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 01:35:22,923 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 01:35:22,926 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 01:35:23,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:23,403 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:23,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,413 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 01:35:23,424 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 01:35:23,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,440 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 01:35:23,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-31 01:35:23,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,483 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 01:35:23,483 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 01:35:23,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:35:23,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-31 01:35:23,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,523 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 01:35:23,527 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 01:35:23,529 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 01:35:23,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,604 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 01:35:23,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,609 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 01:35:23,610 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 01:35:23,611 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 01:35:23,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,657 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 01:35:23,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,659 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 01:35:23,660 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 01:35:23,662 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 01:35:23,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,711 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 01:35:23,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,713 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 01:35:23,724 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 01:35:23,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,732 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 01:35:23,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:23,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:23,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,762 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 01:35:23,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,764 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 01:35:23,767 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 01:35:23,768 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 01:35:23,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:23,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:23,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:23,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-31 01:35:23,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,794 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 01:35:23,795 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 01:35:23,796 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 01:35:23,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:23,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:23,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,836 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 01:35:23,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,838 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 01:35:23,838 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 01:35:23,881 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 01:35:23,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:23,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:23,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:23,947 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 01:35:23,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:23,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:23,948 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 01:35:23,952 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 01:35:23,952 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 01:35:23,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:23,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:23,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:23,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:23,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:23,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:23,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:24,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,021 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 01:35:24,023 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 01:35:24,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,022 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 01:35:24,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:24,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,097 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 01:35:24,101 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 01:35:24,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,118 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 01:35:24,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,157 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 01:35:24,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,158 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 01:35:24,159 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 01:35:24,161 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 01:35:24,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,215 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 01:35:24,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,216 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 01:35:24,227 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 01:35:24,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,241 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 01:35:24,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:24,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,280 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 01:35:24,282 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 01:35:24,283 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 01:35:24,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,317 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 01:35:24,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,320 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 01:35:24,326 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 01:35:24,327 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 01:35:24,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,358 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 01:35:24,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,360 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 01:35:24,360 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 01:35:24,362 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 01:35:24,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:24,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,405 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 01:35:24,412 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 01:35:24,413 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 01:35:24,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:24,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:24,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,461 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 01:35:24,465 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 01:35:24,465 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 01:35:24,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:24,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:24,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:24,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:24,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:24,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:24,492 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:24,554 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-08-31 01:35:24,554 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-08-31 01:35:24,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:24,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:24,569 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 01:35:24,617 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 01:35:24,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:24,647 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-31 01:35:24,647 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:24,647 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1, ULTIMATE.start_test_fun_~z) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1*ULTIMATE.start_test_fun_~z Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 - 1*ULTIMATE.start_test_fun_~z >= 0] [2021-08-31 01:35:24,699 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 01:35:24,839 INFO L297 tatePredicateManager]: 36 out of 37 supporting invariants were superfluous and have been removed [2021-08-31 01:35:24,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:24,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:35:24,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:24,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:35:24,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:25,024 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 01:35:25,104 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 01:35:25,134 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 01:35:25,135 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 01:35:25,266 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 60 states and 78 transitions. Complement of second has 10 states. [2021-08-31 01:35:25,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 01:35:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2021-08-31 01:35:25,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-31 01:35:25,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:25,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-31 01:35:25,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:25,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 8 letters. [2021-08-31 01:35:25,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:25,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 78 transitions. [2021-08-31 01:35:25,286 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-08-31 01:35:25,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 30 states and 44 transitions. [2021-08-31 01:35:25,292 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 01:35:25,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-08-31 01:35:25,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 44 transitions. [2021-08-31 01:35:25,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:25,293 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-08-31 01:35:25,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 44 transitions. [2021-08-31 01:35:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-08-31 01:35:25,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 28 states have internal predecessors, (42), 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 01:35:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2021-08-31 01:35:25,319 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-08-31 01:35:25,319 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 42 transitions. [2021-08-31 01:35:25,319 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:35:25,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 42 transitions. [2021-08-31 01:35:25,321 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2021-08-31 01:35:25,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:25,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:25,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 01:35:25,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:35:25,322 INFO L791 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 276#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 292#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 285#L557-1 [2021-08-31 01:35:25,322 INFO L793 eck$LassoCheckResult]: Loop: 285#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 288#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 289#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 277#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 279#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 285#L557-1 [2021-08-31 01:35:25,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,324 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-31 01:35:25,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490863017] [2021-08-31 01:35:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,371 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,419 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:25,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,420 INFO L82 PathProgramCache]: Analyzing trace with hash 40270619, now seen corresponding path program 1 times [2021-08-31 01:35:25,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954720720] [2021-08-31 01:35:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:25,500 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 01:35:25,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:25,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954720720] [2021-08-31 01:35:25,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954720720] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:25,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:25,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 01:35:25,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227258945] [2021-08-31 01:35:25,503 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:35:25,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:25,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:25,507 INFO L87 Difference]: Start difference. First operand 29 states and 42 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 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 01:35:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:25,563 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2021-08-31 01:35:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 01:35:25,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 48 transitions. [2021-08-31 01:35:25,572 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-31 01:35:25,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 32 states and 44 transitions. [2021-08-31 01:35:25,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 01:35:25,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 01:35:25,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2021-08-31 01:35:25,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:25,574 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2021-08-31 01:35:25,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2021-08-31 01:35:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 28. [2021-08-31 01:35:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 27 states have internal predecessors, (39), 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 01:35:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2021-08-31 01:35:25,579 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-08-31 01:35:25,579 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-08-31 01:35:25,579 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:35:25,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2021-08-31 01:35:25,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2021-08-31 01:35:25,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:25,580 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:25,580 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:35:25,580 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:35:25,580 INFO L791 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 355#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 365#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 362#L557-1 assume test_fun_#t~short10; 377#L557-3 [2021-08-31 01:35:25,580 INFO L793 eck$LassoCheckResult]: Loop: 377#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 374#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 373#L561 assume !(test_fun_#t~mem14 > test_fun_#t~mem15);havoc test_fun_#t~mem14;havoc test_fun_#t~mem15; 359#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 360#L557-1 assume test_fun_#t~short10; 377#L557-3 [2021-08-31 01:35:25,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,581 INFO L82 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2021-08-31 01:35:25,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769413693] [2021-08-31 01:35:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,613 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:25,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,650 INFO L82 PathProgramCache]: Analyzing trace with hash 45964857, now seen corresponding path program 1 times [2021-08-31 01:35:25,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792044308] [2021-08-31 01:35:25,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:25,695 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 01:35:25,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:25,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792044308] [2021-08-31 01:35:25,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792044308] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:25,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:25,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 01:35:25,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150272678] [2021-08-31 01:35:25,696 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:35:25,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:25,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:25,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:25,697 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 14 Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 01:35:25,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:25,750 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2021-08-31 01:35:25,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 01:35:25,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 40 transitions. [2021-08-31 01:35:25,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-08-31 01:35:25,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 35 transitions. [2021-08-31 01:35:25,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 01:35:25,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 01:35:25,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-08-31 01:35:25,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:25,755 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-31 01:35:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-08-31 01:35:25,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2021-08-31 01:35:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 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 01:35:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2021-08-31 01:35:25,758 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-08-31 01:35:25,759 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2021-08-31 01:35:25,759 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:35:25,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2021-08-31 01:35:25,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-08-31 01:35:25,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:25,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:25,759 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:35:25,759 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:25,760 INFO L791 eck$LassoCheckResult]: Stem: 422#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 423#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 434#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 433#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 439#L557-3 [2021-08-31 01:35:25,760 INFO L793 eck$LassoCheckResult]: Loop: 439#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 440#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 425#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 443#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 439#L557-3 [2021-08-31 01:35:25,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,760 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-08-31 01:35:25,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795395064] [2021-08-31 01:35:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,791 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:25,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1480169, now seen corresponding path program 1 times [2021-08-31 01:35:25,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563126213] [2021-08-31 01:35:25,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:25,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:25,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:25,844 INFO L82 PathProgramCache]: Analyzing trace with hash 179595856, now seen corresponding path program 1 times [2021-08-31 01:35:25,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:25,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562870748] [2021-08-31 01:35:25,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:25,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:25,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:25,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562870748] [2021-08-31 01:35:25,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562870748] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:25,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:25,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 01:35:25,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69020652] [2021-08-31 01:35:26,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:26,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:26,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:26,138 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 01:35:26,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:26,175 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2021-08-31 01:35:26,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 01:35:26,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2021-08-31 01:35:26,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-08-31 01:35:26,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 28 transitions. [2021-08-31 01:35:26,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-31 01:35:26,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-31 01:35:26,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-08-31 01:35:26,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:26,177 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-31 01:35:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-08-31 01:35:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2021-08-31 01:35:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-08-31 01:35:26,178 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-31 01:35:26,178 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-08-31 01:35:26,178 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:35:26,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-08-31 01:35:26,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-08-31 01:35:26,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:26,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:26,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:35:26,179 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:35:26,179 INFO L791 eck$LassoCheckResult]: Stem: 478#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 479#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 490#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 489#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 491#L557-3 [2021-08-31 01:35:26,179 INFO L793 eck$LassoCheckResult]: Loop: 491#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 492#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 480#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 481#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 496#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 491#L557-3 [2021-08-31 01:35:26,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:26,180 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2021-08-31 01:35:26,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:26,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947683755] [2021-08-31 01:35:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:26,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,192 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:26,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:26,204 INFO L82 PathProgramCache]: Analyzing trace with hash 45962937, now seen corresponding path program 1 times [2021-08-31 01:35:26,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:26,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924767340] [2021-08-31 01:35:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:26,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,212 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:26,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:26,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581938, now seen corresponding path program 1 times [2021-08-31 01:35:26,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:26,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385829808] [2021-08-31 01:35:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:26,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,234 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:26,250 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:27,725 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:35:27,725 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:35:27,725 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:35:27,725 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:35:27,725 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:35:27,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:27,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:35:27,726 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:35:27,726 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.13-alloca.i_Iteration5_Lasso [2021-08-31 01:35:27,726 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:35:27,726 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:35:27,730 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 01:35:27,739 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 01:35:27,741 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 01:35:27,743 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 01:35:27,746 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 01:35:27,748 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 01:35:27,750 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 01:35:27,752 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 01:35:27,754 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 01:35:27,757 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 01:35:27,758 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 01:35:27,760 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 01:35:27,762 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 01:35:27,764 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 01:35:27,766 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 01:35:28,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:35:29,951 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:35:29,951 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:35:29,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:29,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:29,958 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 01:35:29,960 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 01:35:29,961 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 01:35:29,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:29,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:29,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:29,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:29,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:29,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:29,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:29,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:29,986 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 01:35:29,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:29,987 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 01:35:29,987 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 01:35:29,989 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 01:35:29,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:29,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:29,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:29,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:29,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:29,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:29,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:29,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,013 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 01:35:30,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,014 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 01:35:30,015 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 01:35:30,016 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 01:35:30,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,061 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 01:35:30,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,062 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 01:35:30,062 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 01:35:30,064 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 01:35:30,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,089 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 01:35:30,090 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 01:35:30,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:35:30,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,115 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 01:35:30,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,116 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 01:35:30,117 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 01:35:30,118 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 01:35:30,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,162 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 01:35:30,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,163 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 01:35:30,164 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 01:35:30,166 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 01:35:30,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,211 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 01:35:30,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,212 INFO L229 MonitoredProcess]: Starting monitored process 29 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 01:35:30,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 01:35:30,215 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 01:35:30,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,261 INFO L229 MonitoredProcess]: Starting monitored process 30 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 01:35:30,265 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 01:35:30,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 01:35:30,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-31 01:35:30,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,293 INFO L229 MonitoredProcess]: Starting monitored process 31 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 01:35:30,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 01:35:30,295 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 01:35:30,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-31 01:35:30,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,319 INFO L229 MonitoredProcess]: Starting monitored process 32 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 01:35:30,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 01:35:30,321 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 01:35:30,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,345 INFO L229 MonitoredProcess]: Starting monitored process 33 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 01:35:30,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 01:35:30,347 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 01:35:30,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-08-31 01:35:30,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,381 INFO L229 MonitoredProcess]: Starting monitored process 34 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 01:35:30,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 01:35:30,383 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 01:35:30,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,411 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,412 INFO L229 MonitoredProcess]: Starting monitored process 35 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 01:35:30,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 01:35:30,414 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 01:35:30,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:35:30,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:35:30,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:35:30,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-31 01:35:30,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,438 INFO L229 MonitoredProcess]: Starting monitored process 36 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 01:35:30,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 01:35:30,440 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 01:35:30,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,469 INFO L229 MonitoredProcess]: Starting monitored process 37 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 01:35:30,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 01:35:30,474 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 01:35:30,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-31 01:35:30,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,508 INFO L229 MonitoredProcess]: Starting monitored process 38 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 01:35:30,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 01:35:30,511 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 01:35:30,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,537 INFO L229 MonitoredProcess]: Starting monitored process 39 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 01:35:30,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 01:35:30,539 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 01:35:30,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-31 01:35:30,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,566 INFO L229 MonitoredProcess]: Starting monitored process 40 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 01:35:30,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 01:35:30,568 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 01:35:30,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:35:30,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:35:30,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:35:30,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:35:30,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:35:30,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,607 INFO L229 MonitoredProcess]: Starting monitored process 41 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 01:35:30,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 01:35:30,614 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 01:35:30,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:35:30,621 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 01:35:30,621 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 01:35:30,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:35:30,654 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-08-31 01:35:30,654 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 01:35:30,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:35:30,772 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 01:35:30,772 INFO L444 ModelExtractionUtils]: 84 out of 91 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-08-31 01:35:30,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:35:30,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:30,777 INFO L229 MonitoredProcess]: Starting monitored process 42 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 01:35:30,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 01:35:30,779 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:35:30,790 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-08-31 01:35:30,790 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:35:30,791 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 Supporting invariants [] [2021-08-31 01:35:30,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-31 01:35:30,908 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2021-08-31 01:35:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:30,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:30,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:35:30,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:30,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 01:35:30,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:31,045 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-08-31 01:35:31,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 34 [2021-08-31 01:35:31,086 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 01:35:31,086 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 01:35:31,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 01:35:31,123 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 48 states and 62 transitions. Complement of second has 7 states. [2021-08-31 01:35:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 01:35:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 01:35:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-31 01:35:31,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 5 letters. [2021-08-31 01:35:31,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:31,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 9 letters. Loop has 5 letters. [2021-08-31 01:35:31,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:31,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 10 letters. [2021-08-31 01:35:31,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:35:31,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2021-08-31 01:35:31,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-08-31 01:35:31,127 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 41 states and 53 transitions. [2021-08-31 01:35:31,127 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-08-31 01:35:31,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-08-31 01:35:31,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2021-08-31 01:35:31,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:31,128 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2021-08-31 01:35:31,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2021-08-31 01:35:31,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-08-31 01:35:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 states have internal predecessors, (53), 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 01:35:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2021-08-31 01:35:31,131 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2021-08-31 01:35:31,131 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2021-08-31 01:35:31,131 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 01:35:31,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2021-08-31 01:35:31,132 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2021-08-31 01:35:31,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:31,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:31,132 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:35:31,132 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:35:31,132 INFO L791 eck$LassoCheckResult]: Stem: 766#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 767#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 775#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 774#L557-1 assume test_fun_#t~short10; 798#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 796#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 794#L561 [2021-08-31 01:35:31,133 INFO L793 eck$LassoCheckResult]: Loop: 794#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 793#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 797#L557-1 assume test_fun_#t~short10; 795#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 792#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 794#L561 [2021-08-31 01:35:31,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:31,133 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2021-08-31 01:35:31,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:31,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010088752] [2021-08-31 01:35:31,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:31,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:31,164 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 01:35:31,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:31,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010088752] [2021-08-31 01:35:31,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010088752] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:31,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:31,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 01:35:31,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528004494] [2021-08-31 01:35:31,166 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:35:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash 52859425, now seen corresponding path program 1 times [2021-08-31 01:35:31,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:31,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112660453] [2021-08-31 01:35:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:31,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:31,191 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 01:35:31,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:31,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112660453] [2021-08-31 01:35:31,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112660453] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:35:31,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:35:31,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 01:35:31,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104412047] [2021-08-31 01:35:31,192 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:35:31,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 01:35:31,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-31 01:35:31,193 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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 01:35:31,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:31,219 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2021-08-31 01:35:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 01:35:31,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2021-08-31 01:35:31,220 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:35:31,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 24 states and 28 transitions. [2021-08-31 01:35:31,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-31 01:35:31,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-31 01:35:31,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 28 transitions. [2021-08-31 01:35:31,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:35:31,221 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 28 transitions. [2021-08-31 01:35:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 28 transitions. [2021-08-31 01:35:31,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2021-08-31 01:35:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:35:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-08-31 01:35:31,223 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-08-31 01:35:31,223 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-08-31 01:35:31,223 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 01:35:31,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2021-08-31 01:35:31,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-08-31 01:35:31,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:35:31,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:35:31,224 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:35:31,224 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:35:31,225 INFO L791 eck$LassoCheckResult]: Stem: 848#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 849#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem16, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem17, test_fun_~x, test_fun_~y, test_fun_~z, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 858#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 864#L557-1 assume !test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 863#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 861#L558 assume !(test_fun_#t~mem11 > test_fun_#t~mem12);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem14 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 846#L561 assume test_fun_#t~mem14 > test_fun_#t~mem15;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;call test_fun_#t~mem16 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem16 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem16; 847#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 855#L557-1 assume test_fun_#t~short10; 856#L557-3 [2021-08-31 01:35:31,225 INFO L793 eck$LassoCheckResult]: Loop: 856#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 850#L558 assume test_fun_#t~mem11 > test_fun_#t~mem12;havoc test_fun_#t~mem11;havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem13 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem13; 845#L561-2 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 853#L557-1 assume test_fun_#t~short10; 856#L557-3 [2021-08-31 01:35:31,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:31,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1272581936, now seen corresponding path program 1 times [2021-08-31 01:35:31,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:31,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139613339] [2021-08-31 01:35:31,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:31,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:31,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:35:31,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139613339] [2021-08-31 01:35:31,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139613339] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 01:35:31,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567019625] [2021-08-31 01:35:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:31,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:35:31,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:35:31,302 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:35:31,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-08-31 01:35:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:35:31,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-31 01:35:31,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:35:31,367 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-31 01:35:31,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-08-31 01:35:31,520 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-08-31 01:35:31,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 35 [2021-08-31 01:35:31,554 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-08-31 01:35:31,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 26 [2021-08-31 01:35:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:31,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 01:35:43,702 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-08-31 01:35:43,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 74 [2021-08-31 01:35:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:35:43,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567019625] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 01:35:43,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 01:35:43,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2021-08-31 01:35:43,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26159560] [2021-08-31 01:35:43,747 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:35:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:35:43,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1480167, now seen corresponding path program 2 times [2021-08-31 01:35:43,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:35:43,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212852651] [2021-08-31 01:35:43,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:35:43,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:35:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:43,753 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:35:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:35:43,756 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:35:43,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:35:43,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-31 01:35:43,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2021-08-31 01:35:43,874 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand has 14 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 14 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 01:35:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:35:43,921 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-08-31 01:35:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 01:35:43,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-08-31 01:35:43,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:43,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:35:43,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:35:43,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:35:43,924 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 01:35:43,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:35:43,924 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:35:43,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:35:43,926 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 01:35:43,931 INFO L158 Benchmark]: Toolchain (without parser) took 24094.43ms. Allocated memory was 54.5MB in the beginning and 81.8MB in the end (delta: 27.3MB). Free memory was 31.8MB in the beginning and 37.0MB in the end (delta: -5.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-08-31 01:35:43,931 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:43,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.54ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 27.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 01:35:43,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.30ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:35:43,932 INFO L158 Benchmark]: Boogie Preprocessor took 43.35ms. Allocated memory is still 54.5MB. Free memory was 29.6MB in the beginning and 28.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:35:43,933 INFO L158 Benchmark]: RCFGBuilder took 346.38ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.3MB in the beginning and 43.9MB in the end (delta: -15.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-08-31 01:35:43,933 INFO L158 Benchmark]: BuchiAutomizer took 23200.73ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 37.0MB in the end (delta: 6.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-08-31 01:35:43,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.54ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 27.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.30ms. Allocated memory is still 54.5MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.35ms. Allocated memory is still 54.5MB. Free memory was 29.6MB in the beginning and 28.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.38ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.3MB in the beginning and 43.9MB in the end (delta: -15.7MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 23200.73ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.7MB in the beginning and 37.0MB in the end (delta: 6.6MB). Peak memory consumption was 21.6MB. 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 7 terminating modules (5 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * z and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[y_ref][y_ref] and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 14 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 01:35:43,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-08-31 01:35:44,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...