./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a09fdb769f8192e1aae889aa3c16faf62d88450d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 04:18:12,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:18:12,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:18:12,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:18:12,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:18:12,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:18:12,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:18:12,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:18:12,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:18:12,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:18:12,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:18:12,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:18:12,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:18:12,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:18:12,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:18:12,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:18:12,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:18:12,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:18:12,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:18:12,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:18:12,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:18:12,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:18:12,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:18:12,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:18:12,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:18:12,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:18:12,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:18:12,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:18:12,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:18:12,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:18:12,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:18:12,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:18:12,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:18:12,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:18:12,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:18:12,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:18:12,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:18:12,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:18:12,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:18:12,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:18:12,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:18:12,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:18:12,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:18:12,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:18:12,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:18:12,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:18:12,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:18:12,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:18:12,906 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:18:12,906 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:18:12,907 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:18:12,907 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:18:12,908 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:18:12,908 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:18:12,908 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:18:12,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:18:12,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:18:12,908 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:18:12,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:18:12,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:18:12,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:18:12,910 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:18:12,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:18:12,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:18:12,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:18:12,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:18:12,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:18:12,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:18:12,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:18:12,913 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:18:12,913 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a09fdb769f8192e1aae889aa3c16faf62d88450d [2021-08-31 04:18:13,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:18:13,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:18:13,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:18:13,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:18:13,292 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:18:13,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-08-31 04:18:13,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d931f25/090e63797d8b49d7865465a7dd05f995/FLAGda184317f [2021-08-31 04:18:13,796 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:18:13,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2021-08-31 04:18:13,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d931f25/090e63797d8b49d7865465a7dd05f995/FLAGda184317f [2021-08-31 04:18:14,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36d931f25/090e63797d8b49d7865465a7dd05f995 [2021-08-31 04:18:14,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:18:14,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:18:14,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:18:14,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:18:14,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:18:14,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170141fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14, skipping insertion in model container [2021-08-31 04:18:14,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:18:14,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:18:14,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[338,351] [2021-08-31 04:18:14,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:18:14,485 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:18:14,498 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[338,351] [2021-08-31 04:18:14,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:18:14,578 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:18:14,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14 WrapperNode [2021-08-31 04:18:14,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:18:14,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:18:14,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:18:14,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:18:14,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:18:14,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:18:14,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:18:14,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:18:14,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:18:14,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:18:14,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:18:14,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:18:14,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (1/1) ... [2021-08-31 04:18:14,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:14,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:14,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:14,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 04:18:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:18:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:18:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:18:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:18:15,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:18:15,018 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-08-31 04:18:15,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:18:15 BoogieIcfgContainer [2021-08-31 04:18:15,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:18:15,021 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:18:15,021 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:18:15,024 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:18:15,025 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:18:15,025 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:18:14" (1/3) ... [2021-08-31 04:18:15,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d4e045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:18:15, skipping insertion in model container [2021-08-31 04:18:15,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:18:15,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:18:14" (2/3) ... [2021-08-31 04:18:15,027 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d4e045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:18:15, skipping insertion in model container [2021-08-31 04:18:15,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:18:15,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:18:15" (3/3) ... [2021-08-31 04:18:15,028 INFO L389 chiAutomizerObserver]: Analyzing ICFG pc_sfifo_2.cil-2.c [2021-08-31 04:18:15,073 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:18:15,073 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:18:15,074 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:18:15,074 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:18:15,074 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:18:15,074 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:18:15,074 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:18:15,074 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:18:15,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 92 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:15,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2021-08-31 04:18:15,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:15,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:15,128 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,128 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,129 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:18:15,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 93 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 92 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:15,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2021-08-31 04:18:15,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:15,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:15,146 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,146 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,155 INFO L791 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 59#L-1true havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6#L454true havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 82#L214true assume !(1 == ~q_req_up~0); 22#L214-1true assume !(1 == ~p_dw_i~0);~p_dw_st~0 := 2; 88#L229-1true assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 74#L234-1true assume !(0 == ~q_read_ev~0); 55#L267-1true assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 5#L272-1true havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 92#L57true assume 1 == ~p_dw_pc~0; 56#L58true assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 81#L68true is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 26#L69true activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 12#L307true assume !(0 != activate_threads_~tmp~1); 27#L307-2true havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 94#L76true assume !(1 == ~c_dr_pc~0); 73#L76-2true is_do_read_c_triggered_~__retres1~1 := 0; 76#L87true is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 44#L88true activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 63#L315true assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 23#L315-2true assume !(1 == ~q_read_ev~0); 75#L285-1true assume !(1 == ~q_write_ev~0); 51#L411-1true [2021-08-31 04:18:15,157 INFO L793 eck$LassoCheckResult]: Loop: 51#L411-1true assume !false; 83#L412true start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 40#L356true assume false; 50#L372true start_simulation_~kernel_st~0 := 2; 15#L214-2true assume !(1 == ~q_req_up~0); 28#L214-3true start_simulation_~kernel_st~0 := 3; 37#L267-2true assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 86#L267-4true assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 13#L272-3true havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 77#L57-3true assume 1 == ~p_dw_pc~0; 14#L58-1true assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 43#L68-1true is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 87#L69-1true activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 70#L307-3true assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 31#L307-5true havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 8#L76-3true assume !(1 == ~c_dr_pc~0); 78#L76-5true is_do_read_c_triggered_~__retres1~1 := 0; 11#L87-1true is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 68#L88-1true activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 69#L315-3true assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 58#L315-5true assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 38#L285-3true assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 60#L290-3true havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 67#L247-1true assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 84#L259-1true exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 21#L260-1true stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 17#L386true assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 34#L393true stop_simulation_#res := stop_simulation_~__retres2~0; 25#L394true start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 62#L428true assume !(0 != start_simulation_~tmp~4); 51#L411-1true [2021-08-31 04:18:15,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:15,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1146955365, now seen corresponding path program 1 times [2021-08-31 04:18:15,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:15,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999687490] [2021-08-31 04:18:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:15,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:15,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:15,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999687490] [2021-08-31 04:18:15,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999687490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:15,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:15,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:15,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14007368] [2021-08-31 04:18:15,408 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:15,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:15,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1355907560, now seen corresponding path program 1 times [2021-08-31 04:18:15,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:15,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93680678] [2021-08-31 04:18:15,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:15,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:15,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:15,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93680678] [2021-08-31 04:18:15,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93680678] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:15,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:15,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 04:18:15,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159874444] [2021-08-31 04:18:15,454 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:15,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:15,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:15,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:15,497 INFO L87 Difference]: Start difference. First operand has 93 states, 92 states have (on average 1.5978260869565217) internal successors, (147), 92 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 04:18:15,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:15,739 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-08-31 04:18:15,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:15,744 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 135 transitions. [2021-08-31 04:18:15,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-31 04:18:15,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 86 states and 128 transitions. [2021-08-31 04:18:15,760 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-08-31 04:18:15,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-08-31 04:18:15,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 128 transitions. [2021-08-31 04:18:15,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:15,764 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 128 transitions. [2021-08-31 04:18:15,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 128 transitions. [2021-08-31 04:18:15,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-08-31 04:18:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 85 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 128 transitions. [2021-08-31 04:18:15,788 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 128 transitions. [2021-08-31 04:18:15,788 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 128 transitions. [2021-08-31 04:18:15,788 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:18:15,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 128 transitions. [2021-08-31 04:18:15,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-31 04:18:15,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:15,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:15,792 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,792 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:15,792 INFO L791 eck$LassoCheckResult]: Stem: 279#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 273#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 199#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 200#L214 assume !(1 == ~q_req_up~0); 235#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 236#L229-1 assume !(1 == ~c_dr_i~0);~c_dr_st~0 := 2; 280#L234-1 assume !(0 == ~q_read_ev~0); 268#L267-1 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 197#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 198#L57 assume 1 == ~p_dw_pc~0; 269#L58 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 270#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 242#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 216#L307 assume !(0 != activate_threads_~tmp~1); 217#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 243#L76 assume !(1 == ~c_dr_pc~0); 213#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 212#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 259#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 260#L315 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 237#L315-2 assume !(1 == ~q_read_ev~0); 238#L285-1 assume !(1 == ~q_write_ev~0); 266#L411-1 [2021-08-31 04:18:15,793 INFO L793 eck$LassoCheckResult]: Loop: 266#L411-1 assume !false; 267#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 249#L356 assume !false; 254#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 261#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 195#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 196#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 221#L336 assume !(0 != eval_~tmp___1~0); 222#L372 start_simulation_~kernel_st~0 := 2; 223#L214-2 assume !(1 == ~q_req_up~0); 225#L214-3 start_simulation_~kernel_st~0 := 3; 244#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 250#L267-4 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 214#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 215#L57-3 assume 1 == ~p_dw_pc~0; 218#L58-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 219#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 258#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 278#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 247#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 204#L76-3 assume !(1 == ~c_dr_pc~0); 205#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 209#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 210#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 277#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 272#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 251#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 252#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 274#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 265#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 234#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 226#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 227#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 240#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 241#L428 assume !(0 != start_simulation_~tmp~4); 266#L411-1 [2021-08-31 04:18:15,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:15,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1153867225, now seen corresponding path program 1 times [2021-08-31 04:18:15,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:15,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630526711] [2021-08-31 04:18:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:15,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:15,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:15,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630526711] [2021-08-31 04:18:15,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630526711] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:15,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:15,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:15,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002549607] [2021-08-31 04:18:15,828 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:15,829 INFO L82 PathProgramCache]: Analyzing trace with hash 91737555, now seen corresponding path program 1 times [2021-08-31 04:18:15,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:15,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360168636] [2021-08-31 04:18:15,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:15,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:15,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:15,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360168636] [2021-08-31 04:18:15,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360168636] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:15,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:15,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:15,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619432731] [2021-08-31 04:18:15,874 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:15,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:15,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:15,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:15,877 INFO L87 Difference]: Start difference. First operand 86 states and 128 transitions. cyclomatic complexity: 43 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 04:18:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:16,064 INFO L93 Difference]: Finished difference Result 86 states and 127 transitions. [2021-08-31 04:18:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:16,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 127 transitions. [2021-08-31 04:18:16,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-31 04:18:16,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 86 states and 127 transitions. [2021-08-31 04:18:16,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2021-08-31 04:18:16,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2021-08-31 04:18:16,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 127 transitions. [2021-08-31 04:18:16,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:16,069 INFO L681 BuchiCegarLoop]: Abstraction has 86 states and 127 transitions. [2021-08-31 04:18:16,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 127 transitions. [2021-08-31 04:18:16,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-08-31 04:18:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 85 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 127 transitions. [2021-08-31 04:18:16,080 INFO L704 BuchiCegarLoop]: Abstraction has 86 states and 127 transitions. [2021-08-31 04:18:16,081 INFO L587 BuchiCegarLoop]: Abstraction has 86 states and 127 transitions. [2021-08-31 04:18:16,081 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:18:16,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 127 transitions. [2021-08-31 04:18:16,082 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-08-31 04:18:16,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:16,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:16,083 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:16,083 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:16,083 INFO L791 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 454#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 380#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 381#L214 assume !(1 == ~q_req_up~0); 416#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 417#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 461#L234-1 assume !(0 == ~q_read_ev~0); 449#L267-1 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 378#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 379#L57 assume 1 == ~p_dw_pc~0; 450#L58 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 451#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 423#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 395#L307 assume !(0 != activate_threads_~tmp~1); 396#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 424#L76 assume !(1 == ~c_dr_pc~0); 392#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 391#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 440#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 441#L315 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 418#L315-2 assume !(1 == ~q_read_ev~0); 419#L285-1 assume !(1 == ~q_write_ev~0); 447#L411-1 [2021-08-31 04:18:16,096 INFO L793 eck$LassoCheckResult]: Loop: 447#L411-1 assume !false; 448#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 430#L356 assume !false; 435#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 442#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 376#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 377#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 402#L336 assume !(0 != eval_~tmp___1~0); 403#L372 start_simulation_~kernel_st~0 := 2; 404#L214-2 assume !(1 == ~q_req_up~0); 406#L214-3 start_simulation_~kernel_st~0 := 3; 425#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 432#L267-4 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 397#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 398#L57-3 assume !(1 == ~p_dw_pc~0); 401#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 400#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 439#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 459#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 428#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 385#L76-3 assume !(1 == ~c_dr_pc~0); 386#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 393#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 394#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 458#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 453#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 433#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 434#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 455#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 446#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 415#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 407#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 408#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 421#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 422#L428 assume !(0 != start_simulation_~tmp~4); 447#L411-1 [2021-08-31 04:18:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:16,097 INFO L82 PathProgramCache]: Analyzing trace with hash 434480677, now seen corresponding path program 1 times [2021-08-31 04:18:16,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:16,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284865834] [2021-08-31 04:18:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:16,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:16,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:16,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284865834] [2021-08-31 04:18:16,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284865834] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:16,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:16,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 04:18:16,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221445844] [2021-08-31 04:18:16,183 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:16,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:16,183 INFO L82 PathProgramCache]: Analyzing trace with hash -881751404, now seen corresponding path program 1 times [2021-08-31 04:18:16,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:16,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611188235] [2021-08-31 04:18:16,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:16,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:16,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:16,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611188235] [2021-08-31 04:18:16,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611188235] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:16,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:16,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:16,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137753129] [2021-08-31 04:18:16,243 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:16,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:16,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-31 04:18:16,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-31 04:18:16,244 INFO L87 Difference]: Start difference. First operand 86 states and 127 transitions. cyclomatic complexity: 42 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 04:18:16,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:16,598 INFO L93 Difference]: Finished difference Result 177 states and 256 transitions. [2021-08-31 04:18:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 04:18:16,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 256 transitions. [2021-08-31 04:18:16,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2021-08-31 04:18:16,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 177 states and 256 transitions. [2021-08-31 04:18:16,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2021-08-31 04:18:16,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2021-08-31 04:18:16,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 256 transitions. [2021-08-31 04:18:16,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:16,605 INFO L681 BuchiCegarLoop]: Abstraction has 177 states and 256 transitions. [2021-08-31 04:18:16,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 256 transitions. [2021-08-31 04:18:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2021-08-31 04:18:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.4463276836158192) internal successors, (256), 176 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 256 transitions. [2021-08-31 04:18:16,616 INFO L704 BuchiCegarLoop]: Abstraction has 177 states and 256 transitions. [2021-08-31 04:18:16,616 INFO L587 BuchiCegarLoop]: Abstraction has 177 states and 256 transitions. [2021-08-31 04:18:16,616 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 04:18:16,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 256 transitions. [2021-08-31 04:18:16,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2021-08-31 04:18:16,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:16,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:16,619 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:16,619 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:16,620 INFO L791 eck$LassoCheckResult]: Stem: 747#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 741#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 655#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 656#L214 assume !(1 == ~q_req_up~0); 695#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 696#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 748#L234-1 assume !(0 == ~q_read_ev~0); 749#L267-1 assume !(0 == ~q_write_ev~0); 803#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 802#L57 assume 1 == ~p_dw_pc~0; 800#L58 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 797#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 795#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 793#L307 assume !(0 != activate_threads_~tmp~1); 792#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 791#L76 assume !(1 == ~c_dr_pc~0); 790#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 788#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 787#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 786#L315 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 785#L315-2 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 694#L285-1 assume !(1 == ~q_write_ev~0); 731#L411-1 [2021-08-31 04:18:16,620 INFO L793 eck$LassoCheckResult]: Loop: 731#L411-1 assume !false; 732#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 708#L356 assume !false; 724#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 725#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 772#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 754#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 678#L336 assume !(0 != eval_~tmp___1~0); 680#L372 start_simulation_~kernel_st~0 := 2; 730#L214-2 assume !(1 == ~q_req_up~0); 767#L214-3 start_simulation_~kernel_st~0 := 3; 765#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 766#L267-4 assume !(0 == ~q_write_ev~0); 761#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 819#L57-3 assume 1 == ~p_dw_pc~0; 817#L58-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 816#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 815#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 814#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 813#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 812#L76-3 assume !(1 == ~c_dr_pc~0); 810#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 809#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 808#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 807#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 806#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 740#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 711#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 805#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 750#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 692#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 684#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 685#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 698#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 699#L428 assume !(0 != start_simulation_~tmp~4); 731#L411-1 [2021-08-31 04:18:16,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:16,621 INFO L82 PathProgramCache]: Analyzing trace with hash -845383063, now seen corresponding path program 1 times [2021-08-31 04:18:16,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:16,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502195880] [2021-08-31 04:18:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:16,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:16,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:16,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502195880] [2021-08-31 04:18:16,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502195880] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:16,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:16,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 04:18:16,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743951444] [2021-08-31 04:18:16,672 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:16,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:16,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1713700779, now seen corresponding path program 1 times [2021-08-31 04:18:16,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:16,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927292401] [2021-08-31 04:18:16,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:16,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:16,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:16,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927292401] [2021-08-31 04:18:16,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927292401] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:16,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:16,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:16,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085919411] [2021-08-31 04:18:16,712 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:16,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:16,721 INFO L87 Difference]: Start difference. First operand 177 states and 256 transitions. cyclomatic complexity: 81 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 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 04:18:17,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:17,132 INFO L93 Difference]: Finished difference Result 582 states and 820 transitions. [2021-08-31 04:18:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:18:17,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 582 states and 820 transitions. [2021-08-31 04:18:17,137 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 550 [2021-08-31 04:18:17,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 582 states to 582 states and 820 transitions. [2021-08-31 04:18:17,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 582 [2021-08-31 04:18:17,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 582 [2021-08-31 04:18:17,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 582 states and 820 transitions. [2021-08-31 04:18:17,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:17,156 INFO L681 BuchiCegarLoop]: Abstraction has 582 states and 820 transitions. [2021-08-31 04:18:17,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states and 820 transitions. [2021-08-31 04:18:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 554. [2021-08-31 04:18:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 554 states have (on average 1.4223826714801444) internal successors, (788), 553 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 788 transitions. [2021-08-31 04:18:17,176 INFO L704 BuchiCegarLoop]: Abstraction has 554 states and 788 transitions. [2021-08-31 04:18:17,176 INFO L587 BuchiCegarLoop]: Abstraction has 554 states and 788 transitions. [2021-08-31 04:18:17,176 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 04:18:17,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 554 states and 788 transitions. [2021-08-31 04:18:17,179 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 526 [2021-08-31 04:18:17,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:17,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:17,180 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,180 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,180 INFO L791 eck$LassoCheckResult]: Stem: 1520#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 1508#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 1429#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 1430#L214 assume !(1 == ~q_req_up~0); 1463#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 1464#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 1523#L234-1 assume !(0 == ~q_read_ev~0); 1505#L267-1 assume !(0 == ~q_write_ev~0); 1427#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1428#L57 assume !(1 == ~p_dw_pc~0); 1527#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 1528#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1472#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 1444#L307 assume !(0 != activate_threads_~tmp~1); 1445#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1473#L76 assume !(1 == ~c_dr_pc~0); 1441#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 1440#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1494#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 1495#L315 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 1465#L315-2 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 1466#L285-1 assume !(1 == ~q_write_ev~0); 1524#L411-1 [2021-08-31 04:18:17,181 INFO L793 eck$LassoCheckResult]: Loop: 1524#L411-1 assume !false; 1832#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 1827#L356 assume !false; 1825#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1822#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1819#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1817#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 1814#L336 assume !(0 != eval_~tmp___1~0); 1815#L372 start_simulation_~kernel_st~0 := 2; 1932#L214-2 assume !(1 == ~q_req_up~0); 1930#L214-3 start_simulation_~kernel_st~0 := 3; 1928#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 1927#L267-4 assume !(0 == ~q_write_ev~0); 1926#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 1923#L57-3 assume !(1 == ~p_dw_pc~0); 1921#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 1919#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 1917#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 1915#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 1913#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 1911#L76-3 assume !(1 == ~c_dr_pc~0); 1896#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 1891#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 1890#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 1889#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 1886#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 1883#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 1879#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 1877#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 1874#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 1872#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 1869#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 1867#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 1862#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 1842#L428 assume !(0 != start_simulation_~tmp~4); 1524#L411-1 [2021-08-31 04:18:17,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:17,181 INFO L82 PathProgramCache]: Analyzing trace with hash -2124707798, now seen corresponding path program 1 times [2021-08-31 04:18:17,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:17,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866335792] [2021-08-31 04:18:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:17,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:17,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:17,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866335792] [2021-08-31 04:18:17,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866335792] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:17,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:17,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:17,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450684095] [2021-08-31 04:18:17,246 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:17,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:17,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1607777558, now seen corresponding path program 1 times [2021-08-31 04:18:17,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:17,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039986789] [2021-08-31 04:18:17,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:17,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:17,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:17,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039986789] [2021-08-31 04:18:17,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039986789] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:17,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:17,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:17,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492346294] [2021-08-31 04:18:17,301 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:17,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:17,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:17,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:17,303 INFO L87 Difference]: Start difference. First operand 554 states and 788 transitions. cyclomatic complexity: 238 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:17,628 INFO L93 Difference]: Finished difference Result 1469 states and 2085 transitions. [2021-08-31 04:18:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:18:17,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1469 states and 2085 transitions. [2021-08-31 04:18:17,644 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1424 [2021-08-31 04:18:17,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1469 states to 1469 states and 2085 transitions. [2021-08-31 04:18:17,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1469 [2021-08-31 04:18:17,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1469 [2021-08-31 04:18:17,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1469 states and 2085 transitions. [2021-08-31 04:18:17,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:17,660 INFO L681 BuchiCegarLoop]: Abstraction has 1469 states and 2085 transitions. [2021-08-31 04:18:17,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states and 2085 transitions. [2021-08-31 04:18:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 587. [2021-08-31 04:18:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 587 states have (on average 1.3986371379897786) internal successors, (821), 586 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 821 transitions. [2021-08-31 04:18:17,680 INFO L704 BuchiCegarLoop]: Abstraction has 587 states and 821 transitions. [2021-08-31 04:18:17,680 INFO L587 BuchiCegarLoop]: Abstraction has 587 states and 821 transitions. [2021-08-31 04:18:17,680 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 04:18:17,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 587 states and 821 transitions. [2021-08-31 04:18:17,684 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 556 [2021-08-31 04:18:17,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:17,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:17,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,685 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,685 INFO L791 eck$LassoCheckResult]: Stem: 3554#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 3541#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 3467#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 3468#L214 assume !(1 == ~q_req_up~0); 3501#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 3502#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 3556#L234-1 assume !(0 == ~q_read_ev~0); 3539#L267-1 assume !(0 == ~q_write_ev~0); 3465#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 3466#L57 assume !(1 == ~p_dw_pc~0); 3560#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 3561#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 3509#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 3482#L307 assume !(0 != activate_threads_~tmp~1); 3483#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 3510#L76 assume !(1 == ~c_dr_pc~0); 3479#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 3555#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 3557#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 3547#L315 assume !(0 != activate_threads_~tmp___0~1); 3503#L315-2 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 3504#L285-1 assume !(1 == ~q_write_ev~0); 3537#L411-1 [2021-08-31 04:18:17,686 INFO L793 eck$LassoCheckResult]: Loop: 3537#L411-1 assume !false; 3538#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 3516#L356 assume !false; 3524#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 3531#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 3463#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 3464#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 3487#L336 assume !(0 != eval_~tmp___1~0); 3488#L372 start_simulation_~kernel_st~0 := 2; 3489#L214-2 assume !(1 == ~q_req_up~0); 3490#L214-3 start_simulation_~kernel_st~0 := 3; 3511#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 3518#L267-4 assume !(0 == ~q_write_ev~0); 3480#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 3481#L57-3 assume !(1 == ~p_dw_pc~0); 3546#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 3527#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 3528#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 3553#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 3512#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 3472#L76-3 assume !(1 == ~c_dr_pc~0); 3473#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 4035#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 4033#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 4031#L315-3 assume !(0 != activate_threads_~tmp___0~1); 4029#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 3910#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 3907#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 4028#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 4026#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 4025#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 4024#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 4023#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 4022#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 4021#L428 assume !(0 != start_simulation_~tmp~4); 3537#L411-1 [2021-08-31 04:18:17,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:17,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2124705876, now seen corresponding path program 1 times [2021-08-31 04:18:17,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:17,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476896095] [2021-08-31 04:18:17,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:17,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:17,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:17,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476896095] [2021-08-31 04:18:17,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476896095] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:17,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:17,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:17,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557420687] [2021-08-31 04:18:17,718 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:17,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:17,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1986125160, now seen corresponding path program 1 times [2021-08-31 04:18:17,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:17,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228908840] [2021-08-31 04:18:17,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:17,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:17,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:17,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228908840] [2021-08-31 04:18:17,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228908840] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:17,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:17,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:17,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171668835] [2021-08-31 04:18:17,746 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:17,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:17,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:17,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:17,747 INFO L87 Difference]: Start difference. First operand 587 states and 821 transitions. cyclomatic complexity: 238 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 04:18:17,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:17,914 INFO L93 Difference]: Finished difference Result 821 states and 1132 transitions. [2021-08-31 04:18:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:17,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 821 states and 1132 transitions. [2021-08-31 04:18:17,920 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 791 [2021-08-31 04:18:17,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 821 states to 821 states and 1132 transitions. [2021-08-31 04:18:17,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 821 [2021-08-31 04:18:17,926 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 821 [2021-08-31 04:18:17,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 821 states and 1132 transitions. [2021-08-31 04:18:17,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:17,927 INFO L681 BuchiCegarLoop]: Abstraction has 821 states and 1132 transitions. [2021-08-31 04:18:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states and 1132 transitions. [2021-08-31 04:18:17,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 546. [2021-08-31 04:18:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 546 states have (on average 1.3846153846153846) internal successors, (756), 545 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 756 transitions. [2021-08-31 04:18:17,951 INFO L704 BuchiCegarLoop]: Abstraction has 546 states and 756 transitions. [2021-08-31 04:18:17,952 INFO L587 BuchiCegarLoop]: Abstraction has 546 states and 756 transitions. [2021-08-31 04:18:17,952 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 04:18:17,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 546 states and 756 transitions. [2021-08-31 04:18:17,954 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 518 [2021-08-31 04:18:17,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:17,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:17,956 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,956 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:17,956 INFO L791 eck$LassoCheckResult]: Stem: 4966#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 4957#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 4884#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 4885#L214 assume !(1 == ~q_req_up~0); 4917#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 4918#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 4970#L234-1 assume !(0 == ~q_read_ev~0); 4955#L267-1 assume !(0 == ~q_write_ev~0); 4882#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 4883#L57 assume !(1 == ~p_dw_pc~0); 4973#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 4974#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 4924#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 4899#L307 assume !(0 != activate_threads_~tmp~1); 4900#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 4925#L76 assume !(1 == ~c_dr_pc~0); 4896#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 4969#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 4945#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 4946#L315 assume !(0 != activate_threads_~tmp___0~1); 4919#L315-2 assume !(1 == ~q_read_ev~0); 4920#L285-1 assume !(1 == ~q_write_ev~0); 4971#L411-1 [2021-08-31 04:18:17,956 INFO L793 eck$LassoCheckResult]: Loop: 4971#L411-1 assume !false; 5000#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 4996#L356 assume !false; 4995#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 4993#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 4992#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 4991#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 4989#L336 assume !(0 != eval_~tmp___1~0); 4990#L372 start_simulation_~kernel_st~0 := 2; 5033#L214-2 assume !(1 == ~q_req_up~0); 5032#L214-3 start_simulation_~kernel_st~0 := 3; 5031#L267-2 assume !(0 == ~q_read_ev~0); 5030#L267-4 assume !(0 == ~q_write_ev~0); 5029#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 5028#L57-3 assume !(1 == ~p_dw_pc~0); 5027#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 5026#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 5025#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 5024#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 5023#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 5022#L76-3 assume 1 == ~c_dr_pc~0; 5020#L77-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 5018#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 5016#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 5014#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 5013#L315-5 assume !(1 == ~q_read_ev~0); 5012#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 5011#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 5010#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 5008#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 5007#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 5006#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 5005#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 5004#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 5003#L428 assume !(0 != start_simulation_~tmp~4); 4971#L411-1 [2021-08-31 04:18:17,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:17,957 INFO L82 PathProgramCache]: Analyzing trace with hash -2124705814, now seen corresponding path program 1 times [2021-08-31 04:18:17,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:17,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970084670] [2021-08-31 04:18:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:17,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:17,966 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:18,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:18,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:18,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2143806575, now seen corresponding path program 1 times [2021-08-31 04:18:18,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:18,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048125289] [2021-08-31 04:18:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:18,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:18,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:18,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048125289] [2021-08-31 04:18:18,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048125289] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:18,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:18,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:18,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050018363] [2021-08-31 04:18:18,046 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:18,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:18,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:18,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:18,047 INFO L87 Difference]: Start difference. First operand 546 states and 756 transitions. cyclomatic complexity: 212 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:18,296 INFO L93 Difference]: Finished difference Result 850 states and 1157 transitions. [2021-08-31 04:18:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 04:18:18,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 850 states and 1157 transitions. [2021-08-31 04:18:18,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 820 [2021-08-31 04:18:18,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 850 states to 850 states and 1157 transitions. [2021-08-31 04:18:18,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 850 [2021-08-31 04:18:18,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 850 [2021-08-31 04:18:18,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 850 states and 1157 transitions. [2021-08-31 04:18:18,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:18,312 INFO L681 BuchiCegarLoop]: Abstraction has 850 states and 1157 transitions. [2021-08-31 04:18:18,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states and 1157 transitions. [2021-08-31 04:18:18,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 573. [2021-08-31 04:18:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 573 states have (on average 1.3664921465968587) internal successors, (783), 572 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 783 transitions. [2021-08-31 04:18:18,323 INFO L704 BuchiCegarLoop]: Abstraction has 573 states and 783 transitions. [2021-08-31 04:18:18,323 INFO L587 BuchiCegarLoop]: Abstraction has 573 states and 783 transitions. [2021-08-31 04:18:18,323 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 04:18:18,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 573 states and 783 transitions. [2021-08-31 04:18:18,329 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 545 [2021-08-31 04:18:18,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:18,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:18,331 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:18,331 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:18,331 INFO L791 eck$LassoCheckResult]: Stem: 6386#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 6373#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 6296#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 6297#L214 assume !(1 == ~q_req_up~0); 6328#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 6329#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 6388#L234-1 assume !(0 == ~q_read_ev~0); 6369#L267-1 assume !(0 == ~q_write_ev~0); 6294#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6295#L57 assume !(1 == ~p_dw_pc~0); 6394#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 6395#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6337#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 6311#L307 assume !(0 != activate_threads_~tmp~1); 6312#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6338#L76 assume !(1 == ~c_dr_pc~0); 6308#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 6387#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6357#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 6358#L315 assume !(0 != activate_threads_~tmp___0~1); 6330#L315-2 assume !(1 == ~q_read_ev~0); 6331#L285-1 assume !(1 == ~q_write_ev~0); 6389#L411-1 [2021-08-31 04:18:18,331 INFO L793 eck$LassoCheckResult]: Loop: 6389#L411-1 assume !false; 6828#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 6824#L356 assume !false; 6800#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6796#L247 assume !(0 == ~p_dw_st~0); 6797#L251 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 6798#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6401#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 6402#L336 assume !(0 != eval_~tmp___1~0); 6366#L372 start_simulation_~kernel_st~0 := 2; 6316#L214-2 assume !(1 == ~q_req_up~0); 6317#L214-3 start_simulation_~kernel_st~0 := 3; 6339#L267-2 assume !(0 == ~q_read_ev~0); 6347#L267-4 assume !(0 == ~q_write_ev~0); 6309#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 6310#L57-3 assume !(1 == ~p_dw_pc~0); 6378#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 6355#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 6356#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 6385#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 6342#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 6301#L76-3 assume !(1 == ~c_dr_pc~0); 6302#L76-5 is_do_read_c_triggered_~__retres1~1 := 0; 6844#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 6842#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 6383#L315-3 assume !(0 != activate_threads_~tmp___0~1); 6384#L315-5 assume !(1 == ~q_read_ev~0); 6840#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 6839#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 6838#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 6836#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 6835#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 6834#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 6833#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 6831#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 6829#L428 assume !(0 != start_simulation_~tmp~4); 6389#L411-1 [2021-08-31 04:18:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:18,332 INFO L82 PathProgramCache]: Analyzing trace with hash -2124705814, now seen corresponding path program 2 times [2021-08-31 04:18:18,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:18,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513993534] [2021-08-31 04:18:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:18,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:18,348 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:18,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:18,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:18,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1307787269, now seen corresponding path program 1 times [2021-08-31 04:18:18,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:18,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034176102] [2021-08-31 04:18:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:18,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:18,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:18,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034176102] [2021-08-31 04:18:18,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034176102] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:18,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:18,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:18:18,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345674357] [2021-08-31 04:18:18,421 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:18,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:18,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:18,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:18,422 INFO L87 Difference]: Start difference. First operand 573 states and 783 transitions. cyclomatic complexity: 212 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:18,781 INFO L93 Difference]: Finished difference Result 995 states and 1367 transitions. [2021-08-31 04:18:18,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:18:18,782 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 995 states and 1367 transitions. [2021-08-31 04:18:18,787 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 967 [2021-08-31 04:18:18,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 995 states to 995 states and 1367 transitions. [2021-08-31 04:18:18,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 995 [2021-08-31 04:18:18,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 995 [2021-08-31 04:18:18,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 995 states and 1367 transitions. [2021-08-31 04:18:18,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:18,795 INFO L681 BuchiCegarLoop]: Abstraction has 995 states and 1367 transitions. [2021-08-31 04:18:18,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states and 1367 transitions. [2021-08-31 04:18:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 579. [2021-08-31 04:18:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 579 states have (on average 1.3488773747841105) internal successors, (781), 578 states have internal predecessors, (781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 781 transitions. [2021-08-31 04:18:18,805 INFO L704 BuchiCegarLoop]: Abstraction has 579 states and 781 transitions. [2021-08-31 04:18:18,805 INFO L587 BuchiCegarLoop]: Abstraction has 579 states and 781 transitions. [2021-08-31 04:18:18,805 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-31 04:18:18,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 579 states and 781 transitions. [2021-08-31 04:18:18,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 551 [2021-08-31 04:18:18,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:18,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:18,808 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:18,809 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:18,809 INFO L791 eck$LassoCheckResult]: Stem: 7963#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 7951#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 7877#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 7878#L214 assume !(1 == ~q_req_up~0); 7909#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 7910#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 7966#L234-1 assume !(0 == ~q_read_ev~0); 7946#L267-1 assume !(0 == ~q_write_ev~0); 7875#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 7876#L57 assume !(1 == ~p_dw_pc~0); 7970#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 7971#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 7918#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 7890#L307 assume !(0 != activate_threads_~tmp~1); 7891#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 7919#L76 assume !(1 == ~c_dr_pc~0); 7887#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 7965#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 7936#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 7937#L315 assume !(0 != activate_threads_~tmp___0~1); 7911#L315-2 assume !(1 == ~q_read_ev~0); 7912#L285-1 assume !(1 == ~q_write_ev~0); 7967#L411-1 [2021-08-31 04:18:18,809 INFO L793 eck$LassoCheckResult]: Loop: 7967#L411-1 assume !false; 8260#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 8137#L356 assume !false; 8253#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 8250#L247 assume !(0 == ~p_dw_st~0); 8251#L251 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 8249#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 8246#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 8243#L336 assume !(0 != eval_~tmp___1~0); 8239#L372 start_simulation_~kernel_st~0 := 2; 8233#L214-2 assume !(1 == ~q_req_up~0); 8229#L214-3 start_simulation_~kernel_st~0 := 3; 8227#L267-2 assume !(0 == ~q_read_ev~0); 8224#L267-4 assume !(0 == ~q_write_ev~0); 7892#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 7893#L57-3 assume !(1 == ~p_dw_pc~0); 7969#L57-5 is_do_write_p_triggered_~__retres1~0 := 0; 8296#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 8295#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 8294#L307-3 assume !(0 != activate_threads_~tmp~1); 8293#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 8292#L76-3 assume 1 == ~c_dr_pc~0; 8290#L77-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 8288#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 8286#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 8284#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 8283#L315-5 assume !(1 == ~q_read_ev~0); 8282#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 8281#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 8280#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 8278#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 8277#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 8275#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 8273#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 8272#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 8270#L428 assume !(0 != start_simulation_~tmp~4); 7967#L411-1 [2021-08-31 04:18:18,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:18,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2124705814, now seen corresponding path program 3 times [2021-08-31 04:18:18,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:18,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527729690] [2021-08-31 04:18:18,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:18,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:18,817 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:18,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:18,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:18,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1768191226, now seen corresponding path program 1 times [2021-08-31 04:18:18,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:18,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597508355] [2021-08-31 04:18:18,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:18,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:18,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:18,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597508355] [2021-08-31 04:18:18,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597508355] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:18,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:18,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:18,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152379073] [2021-08-31 04:18:18,845 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:18,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:18,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:18,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:18,845 INFO L87 Difference]: Start difference. First operand 579 states and 781 transitions. cyclomatic complexity: 204 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:18,978 INFO L93 Difference]: Finished difference Result 670 states and 871 transitions. [2021-08-31 04:18:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:18,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 670 states and 871 transitions. [2021-08-31 04:18:18,983 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 633 [2021-08-31 04:18:18,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 670 states to 670 states and 871 transitions. [2021-08-31 04:18:18,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 670 [2021-08-31 04:18:18,987 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 670 [2021-08-31 04:18:18,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 670 states and 871 transitions. [2021-08-31 04:18:18,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:18,988 INFO L681 BuchiCegarLoop]: Abstraction has 670 states and 871 transitions. [2021-08-31 04:18:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states and 871 transitions. [2021-08-31 04:18:18,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 619. [2021-08-31 04:18:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 619 states have (on average 1.3037156704361874) internal successors, (807), 618 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 807 transitions. [2021-08-31 04:18:18,997 INFO L704 BuchiCegarLoop]: Abstraction has 619 states and 807 transitions. [2021-08-31 04:18:18,997 INFO L587 BuchiCegarLoop]: Abstraction has 619 states and 807 transitions. [2021-08-31 04:18:18,997 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-31 04:18:18,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 619 states and 807 transitions. [2021-08-31 04:18:19,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 582 [2021-08-31 04:18:19,000 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:19,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:19,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,002 INFO L791 eck$LassoCheckResult]: Stem: 9215#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 9207#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 9132#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 9133#L214 assume !(1 == ~q_req_up~0); 9164#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 9165#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 9219#L234-1 assume !(0 == ~q_read_ev~0); 9205#L267-1 assume !(0 == ~q_write_ev~0); 9130#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 9131#L57 assume !(1 == ~p_dw_pc~0); 9222#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 9223#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 9172#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 9144#L307 assume !(0 != activate_threads_~tmp~1); 9145#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 9173#L76 assume !(1 == ~c_dr_pc~0); 9141#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 9218#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 9194#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 9195#L315 assume !(0 != activate_threads_~tmp___0~1); 9166#L315-2 assume !(1 == ~q_read_ev~0); 9167#L285-1 assume !(1 == ~q_write_ev~0); 9220#L411-1 assume !false; 9245#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 9244#L356 assume !false; 9243#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 9242#L247 assume !(0 == ~p_dw_st~0); 9168#L251 [2021-08-31 04:18:19,006 INFO L793 eck$LassoCheckResult]: Loop: 9168#L251 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 9169#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 9229#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 9230#L336 assume 0 != eval_~tmp___1~0; 9134#L336-1 assume !(0 == ~p_dw_st~0); 9135#L341 assume !(0 == ~c_dr_st~0); 9180#L356 assume !false; 9188#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 9196#L247 assume !(0 == ~p_dw_st~0); 9168#L251 [2021-08-31 04:18:19,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1163376516, now seen corresponding path program 1 times [2021-08-31 04:18:19,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856793141] [2021-08-31 04:18:19,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:19,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856793141] [2021-08-31 04:18:19,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856793141] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 04:18:19,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963373722] [2021-08-31 04:18:19,037 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:19,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,037 INFO L82 PathProgramCache]: Analyzing trace with hash 145107811, now seen corresponding path program 1 times [2021-08-31 04:18:19,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803807808] [2021-08-31 04:18:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:19,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803807808] [2021-08-31 04:18:19,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803807808] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 04:18:19,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018533371] [2021-08-31 04:18:19,092 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:19,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:19,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:19,093 INFO L87 Difference]: Start difference. First operand 619 states and 807 transitions. cyclomatic complexity: 190 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 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 04:18:19,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:19,300 INFO L93 Difference]: Finished difference Result 699 states and 887 transitions. [2021-08-31 04:18:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 04:18:19,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 699 states and 887 transitions. [2021-08-31 04:18:19,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 662 [2021-08-31 04:18:19,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 699 states to 699 states and 887 transitions. [2021-08-31 04:18:19,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 699 [2021-08-31 04:18:19,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 699 [2021-08-31 04:18:19,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 699 states and 887 transitions. [2021-08-31 04:18:19,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:19,310 INFO L681 BuchiCegarLoop]: Abstraction has 699 states and 887 transitions. [2021-08-31 04:18:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states and 887 transitions. [2021-08-31 04:18:19,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 619. [2021-08-31 04:18:19,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 619 states have (on average 1.2907915993537964) internal successors, (799), 618 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:19,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 799 transitions. [2021-08-31 04:18:19,319 INFO L704 BuchiCegarLoop]: Abstraction has 619 states and 799 transitions. [2021-08-31 04:18:19,319 INFO L587 BuchiCegarLoop]: Abstraction has 619 states and 799 transitions. [2021-08-31 04:18:19,319 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-31 04:18:19,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 619 states and 799 transitions. [2021-08-31 04:18:19,322 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 582 [2021-08-31 04:18:19,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:19,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:19,323 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,323 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,323 INFO L791 eck$LassoCheckResult]: Stem: 10555#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 10545#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 10465#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 10466#L214 assume !(1 == ~q_req_up~0); 10497#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 10498#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 10559#L234-1 assume !(0 == ~q_read_ev~0); 10542#L267-1 assume !(0 == ~q_write_ev~0); 10463#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 10464#L57 assume !(1 == ~p_dw_pc~0); 10564#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 10565#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 10506#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 10479#L307 assume !(0 != activate_threads_~tmp~1); 10480#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 10507#L76 assume !(1 == ~c_dr_pc~0); 10476#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 10558#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 10528#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 10529#L315 assume !(0 != activate_threads_~tmp___0~1); 10499#L315-2 assume !(1 == ~q_read_ev~0); 10500#L285-1 assume !(1 == ~q_write_ev~0); 10560#L411-1 assume !false; 10591#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 10590#L356 assume !false; 10589#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 10587#L247 assume !(0 == ~p_dw_st~0); 10588#L251 [2021-08-31 04:18:19,323 INFO L793 eck$LassoCheckResult]: Loop: 10588#L251 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 10988#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 10987#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 10986#L336 assume 0 != eval_~tmp___1~0; 10985#L336-1 assume !(0 == ~p_dw_st~0); 10583#L341 assume !(0 == ~c_dr_st~0); 10563#L356 assume !false; 10989#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 10903#L247 assume !(0 == ~p_dw_st~0); 10588#L251 [2021-08-31 04:18:19,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1163376516, now seen corresponding path program 2 times [2021-08-31 04:18:19,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894335263] [2021-08-31 04:18:19,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:19,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894335263] [2021-08-31 04:18:19,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894335263] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 04:18:19,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25232940] [2021-08-31 04:18:19,341 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:19,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,342 INFO L82 PathProgramCache]: Analyzing trace with hash -534950559, now seen corresponding path program 1 times [2021-08-31 04:18:19,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891933512] [2021-08-31 04:18:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:19,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891933512] [2021-08-31 04:18:19,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891933512] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 04:18:19,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442673638] [2021-08-31 04:18:19,352 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:19,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:19,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:19,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:19,353 INFO L87 Difference]: Start difference. First operand 619 states and 799 transitions. cyclomatic complexity: 182 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 04:18:19,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:19,490 INFO L93 Difference]: Finished difference Result 855 states and 1085 transitions. [2021-08-31 04:18:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:19,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 855 states and 1085 transitions. [2021-08-31 04:18:19,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 818 [2021-08-31 04:18:19,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 855 states to 855 states and 1085 transitions. [2021-08-31 04:18:19,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 855 [2021-08-31 04:18:19,500 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 855 [2021-08-31 04:18:19,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 855 states and 1085 transitions. [2021-08-31 04:18:19,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:19,502 INFO L681 BuchiCegarLoop]: Abstraction has 855 states and 1085 transitions. [2021-08-31 04:18:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states and 1085 transitions. [2021-08-31 04:18:19,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2021-08-31 04:18:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 855 states have (on average 1.2690058479532165) internal successors, (1085), 854 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1085 transitions. [2021-08-31 04:18:19,514 INFO L704 BuchiCegarLoop]: Abstraction has 855 states and 1085 transitions. [2021-08-31 04:18:19,514 INFO L587 BuchiCegarLoop]: Abstraction has 855 states and 1085 transitions. [2021-08-31 04:18:19,514 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-31 04:18:19,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 855 states and 1085 transitions. [2021-08-31 04:18:19,517 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 818 [2021-08-31 04:18:19,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:19,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:19,518 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,518 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,518 INFO L791 eck$LassoCheckResult]: Stem: 12033#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 12023#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 11946#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 11947#L214 assume !(1 == ~q_req_up~0); 11977#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 11978#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 12037#L234-1 assume !(0 == ~q_read_ev~0); 12021#L267-1 assume !(0 == ~q_write_ev~0); 11944#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 11945#L57 assume !(1 == ~p_dw_pc~0); 12041#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 12042#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 11985#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 11958#L307 assume !(0 != activate_threads_~tmp~1); 11959#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 11986#L76 assume !(1 == ~c_dr_pc~0); 11955#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 12036#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 12008#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 12009#L315 assume !(0 != activate_threads_~tmp___0~1); 11979#L315-2 assume !(1 == ~q_read_ev~0); 11980#L285-1 assume !(1 == ~q_write_ev~0); 12038#L411-1 assume !false; 12415#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 12414#L356 assume !false; 12412#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 12264#L247 assume !(0 == ~p_dw_st~0); 12265#L251 [2021-08-31 04:18:19,518 INFO L793 eck$LassoCheckResult]: Loop: 12265#L251 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 12266#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 12259#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 12213#L336 assume 0 != eval_~tmp___1~0; 12179#L336-1 assume !(0 == ~p_dw_st~0); 12177#L341 assume 0 == ~c_dr_st~0;eval_~tmp___0~2 := eval_#t~nondet14;havoc eval_#t~nondet14; 12175#L360 assume !(0 != eval_~tmp___0~2); 12176#L356 assume !false; 12295#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 12269#L247 assume !(0 == ~p_dw_st~0); 12265#L251 [2021-08-31 04:18:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1163376516, now seen corresponding path program 3 times [2021-08-31 04:18:19,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013103404] [2021-08-31 04:18:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:19,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013103404] [2021-08-31 04:18:19,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013103404] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 04:18:19,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061992768] [2021-08-31 04:18:19,548 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:19,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,548 INFO L82 PathProgramCache]: Analyzing trace with hash 545725425, now seen corresponding path program 1 times [2021-08-31 04:18:19,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275843980] [2021-08-31 04:18:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:19,553 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:19,559 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:19,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:19,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:19,634 INFO L87 Difference]: Start difference. First operand 855 states and 1085 transitions. cyclomatic complexity: 232 Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:19,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:19,803 INFO L93 Difference]: Finished difference Result 855 states and 1059 transitions. [2021-08-31 04:18:19,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:19,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 855 states and 1059 transitions. [2021-08-31 04:18:19,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 818 [2021-08-31 04:18:19,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 855 states to 855 states and 1059 transitions. [2021-08-31 04:18:19,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 855 [2021-08-31 04:18:19,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 855 [2021-08-31 04:18:19,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 855 states and 1059 transitions. [2021-08-31 04:18:19,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:19,815 INFO L681 BuchiCegarLoop]: Abstraction has 855 states and 1059 transitions. [2021-08-31 04:18:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states and 1059 transitions. [2021-08-31 04:18:19,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2021-08-31 04:18:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 855 states have (on average 1.2385964912280703) internal successors, (1059), 854 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1059 transitions. [2021-08-31 04:18:19,828 INFO L704 BuchiCegarLoop]: Abstraction has 855 states and 1059 transitions. [2021-08-31 04:18:19,828 INFO L587 BuchiCegarLoop]: Abstraction has 855 states and 1059 transitions. [2021-08-31 04:18:19,828 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-08-31 04:18:19,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 855 states and 1059 transitions. [2021-08-31 04:18:19,831 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 818 [2021-08-31 04:18:19,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:19,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:19,832 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,832 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:19,834 INFO L791 eck$LassoCheckResult]: Stem: 13748#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 13739#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 13662#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 13663#L214 assume !(1 == ~q_req_up~0); 13693#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 13694#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 13752#L234-1 assume !(0 == ~q_read_ev~0); 13735#L267-1 assume !(0 == ~q_write_ev~0); 13660#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 13661#L57 assume !(1 == ~p_dw_pc~0); 13756#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 13757#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 13701#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 13674#L307 assume !(0 != activate_threads_~tmp~1); 13675#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 13702#L76 assume !(1 == ~c_dr_pc~0); 13671#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 13751#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 13722#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 13723#L315 assume !(0 != activate_threads_~tmp___0~1); 13695#L315-2 assume !(1 == ~q_read_ev~0); 13696#L285-1 assume !(1 == ~q_write_ev~0); 13753#L411-1 assume !false; 14341#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 14340#L356 assume !false; 14339#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 14338#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 14336#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 14334#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 14332#L336 assume 0 != eval_~tmp___1~0; 14330#L336-1 assume 0 == ~p_dw_st~0;eval_~tmp~2 := eval_#t~nondet13;havoc eval_#t~nondet13; 14328#L345 assume 0 != eval_~tmp~2;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 14300#L120 assume 0 == ~p_dw_pc~0; 14299#L131-1 [2021-08-31 04:18:19,834 INFO L793 eck$LassoCheckResult]: Loop: 14299#L131-1 assume !false; 14295#L132 assume !(0 == ~q_free~0); 13718#L133 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1; 13719#L131-1 assume !false; 14364#L132 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 13716#L341 assume 0 == ~c_dr_st~0;eval_~tmp___0~2 := eval_#t~nondet14;havoc eval_#t~nondet14; 13708#L360 assume 0 != eval_~tmp___0~2;~c_dr_st~0 := 1;havoc do_read_c_~a~0;havoc do_read_c_~a~0; 13687#L161 assume 0 == ~c_dr_pc~0; 13688#L13-2 assume !false; 13742#L173 assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0; 13758#L356 assume !false; 14360#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 14358#L247 assume !(0 == ~p_dw_st~0); 14357#L251 assume !(0 == ~c_dr_st~0);exists_runnable_thread_~__retres1~2 := 0; 14355#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 14354#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 14353#L336 assume !(0 != eval_~tmp___1~0); 13731#L372 start_simulation_~kernel_st~0 := 2; 13732#L214-2 assume 1 == ~q_req_up~0; 13769#L27-3 assume 0 == ~q_free~0;~q_write_ev~0 := 0; 14184#L27-5 assume 1 == ~q_free~0;~q_read_ev~0 := 0; 14181#L32-3 ~q_ev~0 := 0;~q_req_up~0 := 0; 14177#L214-3 start_simulation_~kernel_st~0 := 3; 14173#L267-2 assume 0 == ~q_read_ev~0;~q_read_ev~0 := 1; 14168#L267-4 assume 0 == ~q_write_ev~0;~q_write_ev~0 := 1; 14164#L272-3 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 14159#L57-3 assume 1 == ~p_dw_pc~0; 14154#L58-1 assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0 := 1; 14151#L68-1 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 14147#L69-1 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 14142#L307-3 assume 0 != activate_threads_~tmp~1;~p_dw_st~0 := 0; 14139#L307-5 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 14136#L76-3 assume 1 == ~c_dr_pc~0; 14132#L77-1 assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1 := 1; 14129#L87-1 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 14127#L88-1 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 14124#L315-3 assume 0 != activate_threads_~tmp___0~1;~c_dr_st~0 := 0; 14120#L315-5 assume 1 == ~q_read_ev~0;~q_read_ev~0 := 2; 14121#L285-3 assume 1 == ~q_write_ev~0;~q_write_ev~0 := 2; 14337#L290-3 havoc stop_simulation_#res;havoc stop_simulation_#t~ret15, stop_simulation_~tmp~3, stop_simulation_~__retres2~0;havoc stop_simulation_~tmp~3;havoc stop_simulation_~__retres2~0;havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 14335#L247-1 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 14333#L259-1 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 14331#L260-1 stop_simulation_#t~ret15 := exists_runnable_thread_#res;stop_simulation_~tmp~3 := stop_simulation_#t~ret15;havoc stop_simulation_#t~ret15; 14329#L386 assume 0 != stop_simulation_~tmp~3;stop_simulation_~__retres2~0 := 0; 14327#L393 stop_simulation_#res := stop_simulation_~__retres2~0; 14326#L394 start_simulation_#t~ret16 := stop_simulation_#res;start_simulation_~tmp~4 := start_simulation_#t~ret16;havoc start_simulation_#t~ret16; 14324#L428 assume !(0 != start_simulation_~tmp~4); 14322#L411-1 assume !false; 14320#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 14318#L356 assume !false; 14316#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 14314#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 14312#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 14310#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 14308#L336 assume 0 != eval_~tmp___1~0; 14307#L336-1 assume 0 == ~p_dw_st~0;eval_~tmp~2 := eval_#t~nondet13;havoc eval_#t~nondet13; 14305#L345 assume 0 != eval_~tmp~2;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 14303#L120 assume 0 == ~p_dw_pc~0; 14299#L131-1 [2021-08-31 04:18:19,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,834 INFO L82 PathProgramCache]: Analyzing trace with hash 316097349, now seen corresponding path program 1 times [2021-08-31 04:18:19,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025064574] [2021-08-31 04:18:19,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:19,842 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:19,876 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:19,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:19,878 INFO L82 PathProgramCache]: Analyzing trace with hash 640694518, now seen corresponding path program 1 times [2021-08-31 04:18:19,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:19,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225089881] [2021-08-31 04:18:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:19,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-31 04:18:19,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:19,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225089881] [2021-08-31 04:18:19,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225089881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:19,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:19,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:19,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732208957] [2021-08-31 04:18:19,911 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:18:19,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:19,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:18:19,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:18:19,912 INFO L87 Difference]: Start difference. First operand 855 states and 1059 transitions. cyclomatic complexity: 206 Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:20,151 INFO L93 Difference]: Finished difference Result 1641 states and 2015 transitions. [2021-08-31 04:18:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:18:20,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1641 states and 2015 transitions. [2021-08-31 04:18:20,160 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1564 [2021-08-31 04:18:20,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1641 states to 1641 states and 2015 transitions. [2021-08-31 04:18:20,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1641 [2021-08-31 04:18:20,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1641 [2021-08-31 04:18:20,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1641 states and 2015 transitions. [2021-08-31 04:18:20,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:18:20,185 INFO L681 BuchiCegarLoop]: Abstraction has 1641 states and 2015 transitions. [2021-08-31 04:18:20,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states and 2015 transitions. [2021-08-31 04:18:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1266. [2021-08-31 04:18:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1266 states have (on average 1.2298578199052133) internal successors, (1557), 1265 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1557 transitions. [2021-08-31 04:18:20,216 INFO L704 BuchiCegarLoop]: Abstraction has 1266 states and 1557 transitions. [2021-08-31 04:18:20,216 INFO L587 BuchiCegarLoop]: Abstraction has 1266 states and 1557 transitions. [2021-08-31 04:18:20,216 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-08-31 04:18:20,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1266 states and 1557 transitions. [2021-08-31 04:18:20,221 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1223 [2021-08-31 04:18:20,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:20,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:20,222 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:20,222 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 04:18:20,222 INFO L791 eck$LassoCheckResult]: Stem: 16259#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 16245#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 16164#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 16165#L214 assume !(1 == ~q_req_up~0); 16195#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 16196#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 16262#L234-1 assume !(0 == ~q_read_ev~0); 16242#L267-1 assume !(0 == ~q_write_ev~0); 16162#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 16163#L57 assume !(1 == ~p_dw_pc~0); 16267#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 16268#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 16203#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 16176#L307 assume !(0 != activate_threads_~tmp~1); 16177#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 16204#L76 assume !(1 == ~c_dr_pc~0); 16173#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 16261#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 16229#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 16230#L315 assume !(0 != activate_threads_~tmp___0~1); 16197#L315-2 assume !(1 == ~q_read_ev~0); 16198#L285-1 assume !(1 == ~q_write_ev~0); 16263#L411-1 assume !false; 17143#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 17141#L356 assume !false; 17139#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 17137#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 17135#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 17133#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 17131#L336 assume 0 != eval_~tmp___1~0; 17129#L336-1 assume 0 == ~p_dw_st~0;eval_~tmp~2 := eval_#t~nondet13;havoc eval_#t~nondet13; 16260#L345 assume 0 != eval_~tmp~2;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 16253#L120 assume 0 == ~p_dw_pc~0; 16226#L131-1 [2021-08-31 04:18:20,222 INFO L793 eck$LassoCheckResult]: Loop: 16226#L131-1 assume !false; 16235#L132 assume !(0 == ~q_free~0); 16225#L133 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1; 16226#L131-1 [2021-08-31 04:18:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:20,223 INFO L82 PathProgramCache]: Analyzing trace with hash 316097349, now seen corresponding path program 2 times [2021-08-31 04:18:20,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:20,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734071394] [2021-08-31 04:18:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:20,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,233 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:20,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:20,249 INFO L82 PathProgramCache]: Analyzing trace with hash 206771, now seen corresponding path program 1 times [2021-08-31 04:18:20,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:20,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987540572] [2021-08-31 04:18:20,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:20,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,253 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,255 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:20,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:20,256 INFO L82 PathProgramCache]: Analyzing trace with hash -2006979089, now seen corresponding path program 1 times [2021-08-31 04:18:20,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:20,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475324165] [2021-08-31 04:18:20,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:20,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,265 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:20,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:20,312 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 04:18:20,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 04:18:20,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 04:18:20,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 04:18:20,313 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 04:18:20,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,314 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 04:18:20,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 04:18:20,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration14_Loop [2021-08-31 04:18:20,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 04:18:20,314 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 04:18:20,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 04:18:20,408 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 04:18:20,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 04:18:20,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 04:18:20,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 04:18:20,463 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_buf_0~0=0, ~p_last_write~0=0, ULTIMATE.start_do_write_p_#t~nondet9=0} Honda state: {~q_buf_0~0=0, ~p_last_write~0=0, ULTIMATE.start_do_write_p_#t~nondet9=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 04:18:20,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:20,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 04:18:20,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 04:18:20,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,529 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 04:18:20,529 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~q_req_up~0=1} Honda state: {~q_req_up~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 04:18:20,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:20,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 04:18:20,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 04:18:20,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-31 04:18:20,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 04:18:20,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 04:18:20,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,670 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 04:18:20,670 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~p_num_write~0=0} Honda state: {~p_num_write~0=0} Generalized eigenvectors: [{~p_num_write~0=-1}, {~p_num_write~0=-5}, {~p_num_write~0=7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2021-08-31 04:18:20,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:20,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,698 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 04:18:20,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 04:18:20,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 04:18:20,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,761 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 04:18:20,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 04:18:20,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 04:18:20,794 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 04:18:20,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:20,800 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 04:18:20,800 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 04:18:20,800 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 04:18:20,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 04:18:20,800 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 04:18:20,800 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,800 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 04:18:20,800 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 04:18:20,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration14_Loop [2021-08-31 04:18:20,800 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 04:18:20,800 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 04:18:20,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:20,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 04:18:20,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 04:18:20,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:20,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:20,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:20,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:20,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:20,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:20,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:20,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:20,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 04:18:20,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:20,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:20,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:20,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:20,953 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:20,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 04:18:20,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:20,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:20,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:20,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:20,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:20,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:20,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:20,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:20,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,001 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:21,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:21,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 04:18:21,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,064 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,078 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:21,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:21,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:21,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 04:18:21,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,119 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-08-31 04:18:21,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,121 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,145 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 04:18:21,147 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,184 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 04:18:21,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,194 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,195 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,239 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 04:18:21,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,249 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,250 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,293 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 04:18:21,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,306 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:21,306 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:21,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,355 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-08-31 04:18:21,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,357 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,372 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:21,374 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:21,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 04:18:21,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-31 04:18:21,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,417 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 04:18:21,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,430 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:21,431 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:21,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,449 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 04:18:21,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,451 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 04:18:21,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:21,461 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:21,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,501 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,511 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 04:18:21,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,520 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:21,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:21,523 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 04:18:21,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 04:18:21,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,569 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-08-31 04:18:21,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,570 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,586 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:21,589 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:21,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 04:18:21,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,625 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:21,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 04:18:21,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,638 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:21,639 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:21,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,659 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 04:18:21,660 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 04:18:21,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,668 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:21,669 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:21,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,729 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 04:18:21,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:21,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,745 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:21,745 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:21,747 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-08-31 04:18:21,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,751 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 04:18:21,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,774 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-08-31 04:18:21,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,775 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 04:18:21,776 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 04:18:21,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,786 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:21,786 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:21,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,786 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,788 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,817 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 04:18:21,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,818 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 04:18:21,818 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 04:18:21,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,826 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:21,827 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:21,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,827 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,828 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,852 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 04:18:21,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,853 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 04:18:21,853 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 04:18:21,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:21,863 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:21,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,863 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,864 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-08-31 04:18:21,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:21,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,893 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 04:18:21,894 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 04:18:21,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:21,923 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:21,923 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:21,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,923 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:21,923 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-08-31 04:18:21,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:21,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:21,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:21,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 04:18:21,975 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-08-31 04:18:21,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:21,976 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 04:18:21,989 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 04:18:21,997 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:21,998 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 04:18:21,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:21,997 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 04:18:21,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:21,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:21,998 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,001 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-31 04:18:22,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,040 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 04:18:22,042 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 04:18:22,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,050 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 04:18:22,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,050 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,078 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 04:18:22,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,079 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 04:18:22,079 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 04:18:22,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,093 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 04:18:22,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,093 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,094 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,124 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 04:18:22,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,125 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 04:18:22,126 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 04:18:22,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,134 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,134 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-08-31 04:18:22,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,134 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:22,134 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,137 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 04:18:22,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,172 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 04:18:22,173 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-08-31 04:18:22,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,174 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 04:18:22,174 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 04:18:22,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,183 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,183 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:22,185 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:22,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,237 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 04:18:22,238 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,245 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 04:18:22,247 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 04:18:22,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,257 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,257 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,257 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:22,260 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:22,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:22,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,314 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 04:18:22,315 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 04:18:22,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,325 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,325 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:22,327 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-08-31 04:18:22,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,370 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 04:18:22,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,373 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 04:18:22,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,386 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,386 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:22,386 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-08-31 04:18:22,390 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-08-31 04:18:22,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,401 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 04:18:22,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:22,435 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-08-31 04:18:22,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,437 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 04:18:22,438 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 04:18:22,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,448 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,448 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:22,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,450 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,495 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 04:18:22,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,497 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 04:18:22,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,513 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:22,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,514 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,515 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,518 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 04:18:22,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,550 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 04:18:22,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,551 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 04:18:22,552 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 04:18:22,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,560 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:22,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,560 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,561 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-31 04:18:22,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-31 04:18:22,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,580 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 04:18:22,581 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 04:18:22,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,589 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,589 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-08-31 04:18:22,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,589 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:22,589 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-08-31 04:18:22,591 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 04:18:22,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:22,613 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-08-31 04:18:22,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,614 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 04:18:22,615 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 04:18:22,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,624 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,624 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 04:18:22,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:22,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,673 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 04:18:22,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,684 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 04:18:22,685 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 04:18:22,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,693 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,693 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 04:18:22,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:22,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:22,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,760 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 04:18:22,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,771 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,772 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:22,772 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 04:18:22,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:22,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,778 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 04:18:22,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,808 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 04:18:22,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:22,810 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:22,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:22,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 04:18:22,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-08-31 04:18:22,821 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-08-31 04:18:22,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:22,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:22,821 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:22,822 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-08-31 04:18:22,825 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-08-31 04:18:22,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:22,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:22,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:23,681 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 04:18:23,681 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 04:18:23,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 04:18:23,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 04:18:23,682 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 04:18:23,682 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:23,682 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 04:18:23,682 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 04:18:23,682 INFO L133 ssoRankerPreferences]: Filename of dumped script: pc_sfifo_2.cil-2.c_Iteration14_Lasso [2021-08-31 04:18:23,682 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 04:18:23,682 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 04:18:23,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:23,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 04:18:24,138 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 04:18:24,138 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 04:18:24,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,151 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 04:18:24,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-31 04:18:24,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,181 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 04:18:24,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-08-31 04:18:24,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,210 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 04:18:24,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-31 04:18:24,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,238 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 04:18:24,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-31 04:18:24,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,271 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 04:18:24,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,299 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 04:18:24,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,325 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 04:18:24,327 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 04:18:24,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-31 04:18:24,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,362 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 04:18:24,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,417 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 04:18:24,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,455 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-31 04:18:24,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-31 04:18:24,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,507 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-31 04:18:24,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,534 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-31 04:18:24,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,590 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 04:18:24,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,624 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 04:18:24,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,653 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 04:18:24,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-31 04:18:24,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,682 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 04:18:24,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-31 04:18:24,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,754 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 04:18:24,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,805 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 04:18:24,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,838 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 04:18:24,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-31 04:18:24,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,865 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-31 04:18:24,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-08-31 04:18:24,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,900 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-31 04:18:24,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:24,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-08-31 04:18:24,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,930 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-31 04:18:24,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:24,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:24,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:24,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:24,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:24,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:24,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:24,978 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:24,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-31 04:18:24,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:24,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:24,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:24,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:24,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:24,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:24,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,046 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 04:18:25,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,097 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-31 04:18:25,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-08-31 04:18:25,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,137 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-31 04:18:25,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-31 04:18:25,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,165 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-31 04:18:25,166 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 04:18:25,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-31 04:18:25,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,226 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-31 04:18:25,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,279 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-31 04:18:25,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,361 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-31 04:18:25,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,421 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-31 04:18:25,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,474 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-31 04:18:25,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,532 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-31 04:18:25,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 04:18:25,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 04:18:25,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,602 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 04:18:25,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 04:18:25,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 04:18:25,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 04:18:25,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-31 04:18:25,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 04:18:25,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-08-31 04:18:25,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,641 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-31 04:18:25,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 04:18:25,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 04:18:25,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 04:18:25,649 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 04:18:25,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 04:18:25,652 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-08-31 04:18:25,652 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 04:18:25,665 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 04:18:25,681 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-31 04:18:25,681 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-08-31 04:18:25,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:18:25,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:18:25,695 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 04:18:25,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-31 04:18:25,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 04:18:25,759 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2021-08-31 04:18:25,759 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 04:18:25,760 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~q_free~0) = 1*~q_free~0 Supporting invariants [1*~q_free~0 >= 0] [2021-08-31 04:18:25,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:25,801 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-08-31 04:18:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:25,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-31 04:18:25,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 04:18:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:26,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 04:18:26,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 04:18:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:26,099 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 04:18:26,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1266 states and 1557 transitions. cyclomatic complexity: 295 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:26,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1266 states and 1557 transitions. cyclomatic complexity: 295. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 1304 states and 1603 transitions. Complement of second has 8 states. [2021-08-31 04:18:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 04:18:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 60 transitions. [2021-08-31 04:18:26,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 33 letters. Loop has 3 letters. [2021-08-31 04:18:26,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:18:26,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 36 letters. Loop has 3 letters. [2021-08-31 04:18:26,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:18:26,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 60 transitions. Stem has 33 letters. Loop has 6 letters. [2021-08-31 04:18:26,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 04:18:26,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1304 states and 1603 transitions. [2021-08-31 04:18:26,251 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1233 [2021-08-31 04:18:26,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1304 states to 1287 states and 1583 transitions. [2021-08-31 04:18:26,257 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1283 [2021-08-31 04:18:26,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1284 [2021-08-31 04:18:26,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1287 states and 1583 transitions. [2021-08-31 04:18:26,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 04:18:26,259 INFO L681 BuchiCegarLoop]: Abstraction has 1287 states and 1583 transitions. [2021-08-31 04:18:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states and 1583 transitions. [2021-08-31 04:18:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1271. [2021-08-31 04:18:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 1271 states have (on average 1.2305271439811172) internal successors, (1564), 1270 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1564 transitions. [2021-08-31 04:18:26,278 INFO L704 BuchiCegarLoop]: Abstraction has 1271 states and 1564 transitions. [2021-08-31 04:18:26,278 INFO L587 BuchiCegarLoop]: Abstraction has 1271 states and 1564 transitions. [2021-08-31 04:18:26,278 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-08-31 04:18:26,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1271 states and 1564 transitions. [2021-08-31 04:18:26,283 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 1223 [2021-08-31 04:18:26,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:26,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:26,284 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:26,284 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:26,284 INFO L791 eck$LassoCheckResult]: Stem: 19000#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 18988#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 18907#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 18908#L214 assume !(1 == ~q_req_up~0); 18939#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 18940#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 19004#L234-1 assume !(0 == ~q_read_ev~0); 18983#L267-1 assume !(0 == ~q_write_ev~0); 18905#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 18906#L57 assume !(1 == ~p_dw_pc~0); 19010#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 19011#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 18947#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 18921#L307 assume !(0 != activate_threads_~tmp~1); 18922#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 18948#L76 assume !(1 == ~c_dr_pc~0); 18918#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 19003#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 18968#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 18969#L315 assume !(0 != activate_threads_~tmp___0~1); 18941#L315-2 assume !(1 == ~q_read_ev~0); 18942#L285-1 assume !(1 == ~q_write_ev~0); 19005#L411-1 assume !false; 19031#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 19030#L356 assume !false; 19029#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 19028#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 19027#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 19026#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 19025#L336 assume 0 != eval_~tmp___1~0; 19024#L336-1 assume 0 == ~p_dw_st~0;eval_~tmp~2 := eval_#t~nondet13;havoc eval_#t~nondet13; 19023#L345 assume 0 != eval_~tmp~2;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 19022#L120 assume 0 == ~p_dw_pc~0; 19021#L131-1 assume !false; 18977#L132 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 19012#L341 [2021-08-31 04:18:26,285 INFO L793 eck$LassoCheckResult]: Loop: 19012#L341 assume 0 == ~c_dr_st~0;eval_~tmp___0~2 := eval_#t~nondet14;havoc eval_#t~nondet14; 19133#L360 assume !(0 != eval_~tmp___0~2); 19707#L356 assume !false; 19725#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 19724#L247 assume !(0 == ~p_dw_st~0); 19723#L251 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 19122#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 19722#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 19721#L336 assume 0 != eval_~tmp___1~0; 19712#L336-1 assume !(0 == ~p_dw_st~0); 19012#L341 [2021-08-31 04:18:26,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:26,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1173119927, now seen corresponding path program 1 times [2021-08-31 04:18:26,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:26,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994556257] [2021-08-31 04:18:26,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:26,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:18:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 04:18:26,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:18:26,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994556257] [2021-08-31 04:18:26,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994556257] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:18:26,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:18:26,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:18:26,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217984206] [2021-08-31 04:18:26,349 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 04:18:26,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:26,349 INFO L82 PathProgramCache]: Analyzing trace with hash -474460271, now seen corresponding path program 2 times [2021-08-31 04:18:26,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:26,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772486294] [2021-08-31 04:18:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:26,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,357 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,360 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:26,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-31 04:18:26,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:18:26,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:18:26,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:18:26,405 INFO L87 Difference]: Start difference. First operand 1271 states and 1564 transitions. cyclomatic complexity: 298 Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:18:26,806 INFO L93 Difference]: Finished difference Result 2343 states and 2843 transitions. [2021-08-31 04:18:26,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:18:26,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2343 states and 2843 transitions. [2021-08-31 04:18:26,818 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2172 [2021-08-31 04:18:26,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2343 states to 2342 states and 2842 transitions. [2021-08-31 04:18:26,829 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2337 [2021-08-31 04:18:26,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2337 [2021-08-31 04:18:26,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2342 states and 2842 transitions. [2021-08-31 04:18:26,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 04:18:26,834 INFO L681 BuchiCegarLoop]: Abstraction has 2342 states and 2842 transitions. [2021-08-31 04:18:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states and 2842 transitions. [2021-08-31 04:18:26,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 1697. [2021-08-31 04:18:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1697 states have (on average 1.2233352975839717) internal successors, (2076), 1696 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:18:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2076 transitions. [2021-08-31 04:18:26,864 INFO L704 BuchiCegarLoop]: Abstraction has 1697 states and 2076 transitions. [2021-08-31 04:18:26,864 INFO L587 BuchiCegarLoop]: Abstraction has 1697 states and 2076 transitions. [2021-08-31 04:18:26,864 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-08-31 04:18:26,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1697 states and 2076 transitions. [2021-08-31 04:18:26,870 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 1605 [2021-08-31 04:18:26,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:18:26,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:18:26,871 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:26,871 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:18:26,871 INFO L791 eck$LassoCheckResult]: Stem: 22626#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~q_req_up~0 := 0;~q_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0; 22609#L-1 havoc main_#res;havoc main_~__retres1~3;havoc main_~__retres1~3;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; 22531#L454 havoc start_simulation_#t~ret16, start_simulation_~kernel_st~0, start_simulation_~tmp~4;havoc start_simulation_~kernel_st~0;havoc start_simulation_~tmp~4;start_simulation_~kernel_st~0 := 0; 22532#L214 assume !(1 == ~q_req_up~0); 22562#L214-1 assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; 22563#L229-1 assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; 22628#L234-1 assume !(0 == ~q_read_ev~0); 22605#L267-1 assume !(0 == ~q_write_ev~0); 22529#L272-1 havoc activate_threads_#t~ret10, activate_threads_#t~ret11, activate_threads_~tmp~1, activate_threads_~tmp___0~1;havoc activate_threads_~tmp~1;havoc activate_threads_~tmp___0~1;havoc is_do_write_p_triggered_#res;havoc is_do_write_p_triggered_~__retres1~0;havoc is_do_write_p_triggered_~__retres1~0; 22530#L57 assume !(1 == ~p_dw_pc~0); 22633#L57-2 is_do_write_p_triggered_~__retres1~0 := 0; 22634#L68 is_do_write_p_triggered_#res := is_do_write_p_triggered_~__retres1~0; 22570#L69 activate_threads_#t~ret10 := is_do_write_p_triggered_#res;activate_threads_~tmp~1 := activate_threads_#t~ret10;havoc activate_threads_#t~ret10; 22545#L307 assume !(0 != activate_threads_~tmp~1); 22546#L307-2 havoc is_do_read_c_triggered_#res;havoc is_do_read_c_triggered_~__retres1~1;havoc is_do_read_c_triggered_~__retres1~1; 22571#L76 assume !(1 == ~c_dr_pc~0); 22542#L76-2 is_do_read_c_triggered_~__retres1~1 := 0; 22627#L87 is_do_read_c_triggered_#res := is_do_read_c_triggered_~__retres1~1; 22591#L88 activate_threads_#t~ret11 := is_do_read_c_triggered_#res;activate_threads_~tmp___0~1 := activate_threads_#t~ret11;havoc activate_threads_#t~ret11; 22592#L315 assume !(0 != activate_threads_~tmp___0~1); 22564#L315-2 assume !(1 == ~q_read_ev~0); 22565#L285-1 assume !(1 == ~q_write_ev~0); 22629#L411-1 assume !false; 22656#L412 start_simulation_~kernel_st~0 := 1;havoc eval_#t~ret12, eval_#t~nondet13, eval_#t~nondet14, eval_~tmp~2, eval_~tmp___0~2, eval_~tmp___1~0;havoc eval_~tmp~2;havoc eval_~tmp___0~2;havoc eval_~tmp___1~0; 22655#L356 assume !false; 22654#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 22653#L247 assume 0 == ~p_dw_st~0;exists_runnable_thread_~__retres1~2 := 1; 22652#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 22651#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 22650#L336 assume 0 != eval_~tmp___1~0; 22649#L336-1 assume 0 == ~p_dw_st~0;eval_~tmp~2 := eval_#t~nondet13;havoc eval_#t~nondet13; 22648#L345 assume 0 != eval_~tmp~2;~p_dw_st~0 := 1;havoc do_write_p_#t~nondet9; 22647#L120 assume 0 == ~p_dw_pc~0; 22646#L131-1 assume !false; 22598#L132 assume !(0 == ~q_free~0); 22613#L133 ~q_buf_0~0 := do_write_p_#t~nondet9;havoc do_write_p_#t~nondet9;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_req_up~0 := 1; 22597#L131-1 assume !false; 22599#L132 assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; 24123#L341 [2021-08-31 04:18:26,871 INFO L793 eck$LassoCheckResult]: Loop: 24123#L341 assume 0 == ~c_dr_st~0;eval_~tmp___0~2 := eval_#t~nondet14;havoc eval_#t~nondet14; 22679#L360 assume !(0 != eval_~tmp___0~2); 24122#L356 assume !false; 24203#L332 havoc exists_runnable_thread_#res;havoc exists_runnable_thread_~__retres1~2;havoc exists_runnable_thread_~__retres1~2; 22606#L247 assume !(0 == ~p_dw_st~0); 22568#L251 assume 0 == ~c_dr_st~0;exists_runnable_thread_~__retres1~2 := 1; 22569#L259 exists_runnable_thread_#res := exists_runnable_thread_~__retres1~2; 24176#L260 eval_#t~ret12 := exists_runnable_thread_#res;eval_~tmp___1~0 := eval_#t~ret12;havoc eval_#t~ret12; 24174#L336 assume 0 != eval_~tmp___1~0; 24151#L336-1 assume !(0 == ~p_dw_st~0); 24123#L341 [2021-08-31 04:18:26,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:26,872 INFO L82 PathProgramCache]: Analyzing trace with hash -266582925, now seen corresponding path program 1 times [2021-08-31 04:18:26,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:26,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519284099] [2021-08-31 04:18:26,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:26,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,878 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:26,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:26,895 INFO L82 PathProgramCache]: Analyzing trace with hash -474460271, now seen corresponding path program 3 times [2021-08-31 04:18:26,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:26,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091589476] [2021-08-31 04:18:26,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:26,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,899 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:18:26,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1848061315, now seen corresponding path program 1 times [2021-08-31 04:18:26,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:18:26,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480784569] [2021-08-31 04:18:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:18:26,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:18:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,910 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:18:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:18:26,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:18:27,862 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 04:18:27,865 INFO L158 Benchmark]: Toolchain (without parser) took 13657.57ms. Allocated memory was 58.7MB in the beginning and 144.7MB in the end (delta: 86.0MB). Free memory was 37.7MB in the beginning and 53.8MB in the end (delta: -16.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2021-08-31 04:18:27,865 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:18:27,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.56ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 41.5MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:18:27,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.28ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 39.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:18:27,865 INFO L158 Benchmark]: Boogie Preprocessor took 51.85ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:18:27,866 INFO L158 Benchmark]: RCFGBuilder took 325.68ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 37.5MB in the beginning and 63.1MB in the end (delta: -25.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-08-31 04:18:27,866 INFO L158 Benchmark]: BuchiAutomizer took 12842.28ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 62.8MB in the beginning and 53.8MB in the end (delta: 8.9MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-08-31 04:18:27,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.56ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 41.5MB in the end (delta: -4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.28ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 39.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.85ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.68ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 37.5MB in the beginning and 63.1MB in the end (delta: -25.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12842.28ms. Allocated memory was 81.8MB in the beginning and 144.7MB in the end (delta: 62.9MB). Free memory was 62.8MB in the beginning and 53.8MB in the end (delta: 8.9MB). Peak memory consumption was 93.3MB. 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 15 terminating modules (14 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function q_free and consists of 5 locations. 14 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 1697 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 04:18:27,894 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...